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Gran Turismo 4

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Title Screen

Gran Turismo 4

Developer: Polyphony Digital
Publisher: Sony Computer Entertainment
Platform: PlayStation 2
Released in JP: December 28, 2004
Released in US: February 22, 2005
Released in EU: March 9, 2005


AreasIcon.png This game has unused areas.
MinigameIcon.png This game has unused modes / minigames.
TextIcon.png This game has unused text.
DebugIcon.png This game has debugging material.
RegionIcon.png This game has regional differences.


ProtoIcon.png This game has a prototype article
BugsIcon.png This game has a bugs page

Despite being delayed for over a year and a half, Gran Turismo 4 is considered by many to be one of the best games in the series, and one of the best racing games of all time. Featuring over 700 cars and 51 tracks, this one adds a lot more content than its predecessor, and was one of the 5 games on the PS2 to be capable of having 1080i support (one of the other ones being Tourist Trophy, also created by the same developers).

This game is also where the controversial Standard cars in the PS3 games originate.

And let’s not forget, that every single time you fail your license test, the game trolls you with the song “Oh Yeah” by Yello.

Hmmm...
To do:
Well, here we go.
  • Check unused cars.
  • Try to find any revisional differences, like the Greatest Hits versions.
  • Do a section on the Online Test Version (Japan) and Online Public Beta (US) of the game.
    • The US Online demo apparently has the arcade dirt glitch fixed?
    • Both versions have leftovers for the Team Oreca variant of the Audi R8 LMP that would appear in GTPSP (banner, thumbnail).
Check out also this thread: Xenn's GT4 Research Topic on GTPlanet.

Sub-Pages

Read about prototype versions of this game that have been released or dumped.
Prototype Info
Read about notable bugs and errors in this game.
Bugs
GT4 tuner logo gm design.png
Manufacturers
Assets relating to manufacturers that didn't make the cut, as well those that did make it.
RegionIcon.png
Regional Differences
Licensing and marketing choices resulted in lots of changes between regions, while the Korean version strives to add some local content.

Postreleases

GT4 MX5 TitleScreen.png
Mazda MX-5 Edition
A special edition demo of the game, featuring the then-concept/pre-production version of the third-generation Mazda MX-5.

Special Settings

A hidden menu can be accessed by going to the Options screen and inputting L1, Up, L2, Down, R1, Left, R2, Right, Start, Start on the second controller; the sound heard when entering a menu from the main menu will then be played to confirm the right input. Note that the code must be entered each time the player visits the screen.

The two secret options associated with the input are named Secret and Monitor, both part of Miscellaneous part of the Options menu.

Function Overview

Secret (Special Settings)

This portion of the menu works like the PS3-era secret menus, where available tracks and cars can be restricted, suggesting it's intended for kiosk-related uses.

  • Specific Cars: Restricts the cars available in Arcade Mode to those in the Favorites list in Arcade Mode. This option is not available if no favorites have been yet defined.
  • Specific Courses: Restricts the cars available in Arcade Mode to those set in Course Registration Settings, which is primarily an option related to LAN mode.
  • Specific Opponents: Restricts the opponent cars chosen in Arcade Mode to those in the Favorites list in Arcade Mode.
  • Specific Makes: Allows the game to be set to only feature a certain manufacturer. When this is the case, you cannot enter Gran Turismo Mode, and the title screen's background movie is changed to a generic one with the chosen manufacturer on top of the game logo on the title screen. Selecting none, the default option, reverts to normal gameplay. An example can be seen on the MX-5 Edition's title screen.

Monitor (Detail Monitor Settings)

This portion of the menu allows you to adjust the camera and the display of the screen during races.

  • Flag: Four flags can be chosen (FLAG_NONE, FLAG_ROTY, FLAG ROTX, and FLAG_ROTX|FLAG_ROTY). These appear to deal with settings on each horizontal/vertical axis, but it does not appear to affect anything.
  • Zoom: Adjust the field of view, in range of 0.00 to 3.00.
  • Distance: Adjusts the distance from the viewpoint of the player's camera between 200 to 1200 millimeters; the default setting is 276 mm.
  • Width: Adjusts the width of the display area, between 200 to 600 millimeters.
  • Height: Adjusts the height of the display area, between 200 to 400 millimeters.
  • Aspect: Adjusts the pixel aspect ratio, between 0.00 to 2.00.
  • Overscan Factor: Obvious what it adjusts, the value is 0.00 to 2.00.
  • Border Width (Left, Right, Top, Bottom): Adjusts the width of each side of the screen border in millimeters. The range of each is 0 (default) to 300 millimeters.

The default settings depends on the selected aspect ratio mode:

Setting 4:3 16:9
Zoom 1.00 1.00
Distance 238 276
Width 275 425
Height 205 240
Aspect 0.96 0.97
Overscan Factor 1 1
Border Width (all) 0 0
(Discovery: TheAdmiester, Dezent, Nenkai, SenaUW (2nd controller requirement))

Unused Car Assets

Ford GT (No Stripe) '05

GT4 Ford GT (No Stripe) '05 thumbnail.png

While not normally accessible in Arcade Mode (except in two-player races, if loaded from a GT Mode save), the Ford GT (No Stripe) '05 has an Arcade Mode thumbnail.

Ford Model T Tourer '15

There is an unused alternate banner for the Ford Model T Tourer '15 featuring an alternate logo placement, with it's internal name suggesting that a 1914 model was considered for inclusion instead.

model_t_tourer_14 (unused) model_t_tourer_15 (used)
GT4 model t tourer 14 banner.png
GT4 model t tourer 15 banner.png


(Source: Sal 89 (Gran Turismo Wiki))

Nissan 350Z Gran Turismo 4 Limited Edition (Z33) '05

Hmmm...
To do:
Verify car names; only the USDM one is verified and even then it's from GTPSP.

There are two alternate logos for what can be described as Japanese and American equivalents of the Nissan 350Z Gran Turismo 4 Limited Edition (Z33) '05 (since Nissan marketed the GT4 Limited Edition car simply as the 35th Anniversary model outside Europe); the model that appears in all versions of the game is the European model, evident with the European-sized license plates and the fact Nissan only marketed the model as such in Europe.

Of note is that string for the American model appears in GTPSP, but not the Japanese model.

Nissan 350Z 35th Anniversary (Z33) '05 Nissan Fairlady Z 35th Anniversary (Z33) '05
GT4 350z 35th 05 logo.png
GT4 fairlady z 35th 05 logo.png

Additionally, there is also an entry for an engine that would have been used by the Japanese and American 35th Anniversary model.

Property Used Unused
Peak power (rpm) 6400 6200
Horsepower (ps) 300 278
Torque (kgf.m) 35.89 33.49
Rev limit (rpm) 7000 7500
(Source: Sal 89 (Gran Turismo Wiki))

Chevrolet Corvette (C6)

GT4 Chevrolet Corvette C6 Coupe '04 Banner.png

A car banner for a Chevrolet Corvette (C6), named "corvette_c6_coupe_04", can be found in the game's car banner logos folder (GT4.VOL/piece/car_logo2). The logo asset itself appears to be a simple placeholder containing the car's internal name as mentioned, created with one of the game's default white sans-serif fonts, similar to the Vemac logo asset.

The C6 Corvette would debut in the series with the Z06 model in Gran Turismo 5 Prologue.


(Source: FMecha (Information), Sal 89 (Banner))

Unused Race Events

"A heated battle between formula machines that race on public roads."
- European English description

An image for the Road Going Formula Cup (misspelt as "Road Going Fomula Cup") appears in the game files. Judging from its filename (ex_roadgoing), this was planned to be an Extreme Hall event. Interestingly, the car showcased in the image is a Caterham Seven Fire Blade '02, a special car, then can't race outside from Time Trials. The Event is actually present in the Database and appear to be a five races Event. Completing all five races, no prize car or percentage increase happens. Also, apparently, only one car is defined as opponent, the Suzuki GSX-R/4 Concept '01, that isn't even an open wheelied car.

Event Course Prize Money
Race 1 Laguna Seca Raceway 1st: 15,000Cr.
2nd: 7,500Cr.
3rd: 5,000Cr.
4th: 4,000Cr.
5th: 1,500Cr.
6th: 800Cr.
Race 2 Grand Valley Speedway Reverse 1st: 15,000Cr.
2nd: 7,500Cr.
3rd: 5,000Cr.
4th: 4,000Cr.
5th: 1,500Cr.
6th: 800Cr.
Race 3 Tokyo Route 246: Akasaka 1st: 15,000Cr.
2nd: 7,500Cr.
3rd: 5,000Cr.
4th: 4,000Cr.
5th: 1,500Cr.
6th: 800Cr.
Race 4 Suzuka Circuit 1st: 15,000Cr.
2nd: 7,500Cr.
3rd: 5,000Cr.
4th: 4,000Cr.
5th: 1,500Cr.
6th: 800Cr.
Race 5 Fuji Speedway 2005 1st: 15,000Cr.
2nd: 7,500Cr.
3rd: 5,000Cr.
4th: 4,000Cr.
5th: 1,500Cr.
6th: 800Cr.
(Source: Hatersbby (discovery), Sal 89 (information and investigation))

Unused Driving Missions

There are 34 Driving Missions in this game, divided into four mission genres (The Pass, Three Lap Battle, Slipstream Battle, and One Lap Magic, which is divided into two parts for prize cars purposes). However, it seems that there were plans for a fifth type of Driving Missions called Chase Battle, each with six challenges, all of them seemingly themed after touge (mountain pass) racing, and are set on "rally" city courses, which typically is designed for two cars on the grid.

# Event Name Course Description Text (US English)
35 Chase Battle: Lancia Rally Machine Showdown! Citta di Aria This is a chase battle where you start with a fixed time difference between you and your opponent. If you can reduce this time difference within one lap you will win, but if this increases you will lose. The first round is a rally car contest on the Italian street course.
36 Chase Battle: Lancer Evo Showdown! Costa di Amalfi Chase the next level of super rally prototypes in a rally version of the Lancer Evo VIII. Make up for the massive difference between the competing cars with your driving skills.
37 Chase Battle: Peugeot Rally Machine Showdown! George V Paris This is a night-time French Rally car showdown, taking place in the street stage that passes through the Arc de Triomphe in Paris. You are at the controls of the monster 205T16, racing against the latest generation of 206 rally cars.
38 Chase Battle: Prototype Showdown! Citta di Aria Reverse Two monster cars with a total of 1600 horsepower catapult through the distinctively narrow streets of an old Italian town. Only Gran Turismo brings to life this dream battle in this dream situation.
39 Chase Battle: BMW 12-cylinder Showdown! Costa di Amalfi Reverse This is a serious race between the 2 Le Mans winners boasted by BMW along the Amalfi Coast on the Tyrrhenian Sea. The only thing that can catch the higher level V12LMR is the driver's technique.
40 Chase Battle: Mercedes Showdown! George V Paris Reverse This is a course setup that runs from Champs d'Elysees through George V Avenue and under the Arc de Triomphe in the quiet residential streets. This is an evenly matched battle on the street between 2 racing Mercedes.

These missions also have description text for the pre-race screen, although in the US version of the game, Mission 36's and 38's pre-race text are duplicates of Mission 35's and 37's, respectively; as such, the text dumps for Mission 36 and 38 are from the European version of the game.

# Pre-Race Text
35 Here your rival is a Lancia Delta S4. As this is one of the cars from the period of inception of 4WD, the understeer is so severe it is difficult to turn, yet it has intense speed on the straights. You will give chase in a finely-balanced HF Integrale.
36 Although your rival has better performance across the board, from horsepower and weight to cornering ability, it seems that the tuning settings are imbalanced. Take full advantage of the resulting hesitancy in the rival car's driving to snatch a victory.
37 This is the 205 T16 monster rally car, fitted with a 350 horsepower mid-mounted engine. Although this offers overwhelming speed on the straights, it may not do so well on tight turns. Try to prevent your rivals from closing the gap on corners and breaking away from you.
38 Open and closed canopy - although with a difference in style, both are among the world's fastest prototype machines. For cars with downforce, the key to winning is your recovery technique when a car has closed the gap.
39 The key to the Amalfi Circuit is making small turns to the inside of the numerous stop-and-start hairpins without overrunning the corners. Drive through the few high-speed corners without error, and pray for more power....
40 On this course it is hard make a difference in position using corners as the course layout is too narrow. The timing of when you hit the accelerator when you come out of a small corner is everything in this challenge. Don't forget precision in handling, and avoiding collisions with the walls.
(Discovery: YakumoyukariRZ, Dezent (pre-race text dumps))

Hidden Courses

License Tracks

The license-specific tracks in this game consists of the variations of the Driving Park Gymkhana (the normally accessible version is named gymkhana_free) track and the slalom variant of Fuji Speedway (before the 2005 redesign).

  • fisco_slalom: Used in IB-6 and IB-7 License tests.
  • gymkhana: Used in the B License Coffee Break test.
  • gymkhana_maze: Used in the S License Coffee Break test.
  • gymkhana_spiral_r: Used in the International B License Coffee Break test.
  • gymkhana_spiral: Used in the A License Coffee Break test.
  • gymkhana_super: Used in the International A License Coffee Break test, although the name suggests that it was originally planned to be S License's Coffee Break challenge.

Drivable Photo Travel Tracks

Hmmm...
To do:
Test further the remaining tracks, or at least describe what xTimelessGaming did on the video below.

As it turns out, you can drive on some of the places used in Photo Travel mode by cheat methods as they are treated as tracks by the game. However, you can only go so far, as it's very limited on what you can actually drive on.

The following locations has been tested:

  • Beacon Hills: Only some of the roads can be driven before the player hits the invisible walls.
  • Brooklyn: A very short map; the player can only drive on the dock you're on, as there are barriers surrounding it.
  • Grand Canyon: Like the Brooklyn map, by the size of the map here, it really shows how far you can go, which isn't much. You can drive on and off the cliffside though, so that's cool. The course map for this track is taken from the namesake rally course.
  • Times Square: It is possible to go down most of the main strip here. The map is actually placed to the right of the New York course, as its logo is shown before you start and the map is displayed while driving.
  • Tsumago: Short and cramped is the best way to describe this one, and you can only drive on some of the village's roads, not all.

Grand Canyon Short Track

GT4-Grand Canyon Short Track.png

A track icon for Grand Canyon Short Track can be found in the game's track logo folder (GT4.VOL/piece/crs_logo). This rally track was used only in a Driving School test in Gran Turismo 4 Prologue and did not return for the game.

Unused Wheel Codes

Although aftermarket wheels do not usually appear in Today's Special section of GT Auto's Wheel Shop, they do have names in that format (two first letters signifying manufacturer, and a four-digit identifier number; in most cases, the first digits are always 02).

Wheel Filename Wheel Name (Wheel Shop) Wheel Name (Today's Special)
brdg001w BRIDGESTONE 001 BR0204
brdg002w BRIDGESTONE 002 BR0205
brdg003w BRIDGESTONE 003 BR0206
brdg004w BRIDGESTONE 004 BR0207
brdg005w BRIDGESTONE 005 BR0208
brdg006w BRIDGESTONE 006 BR0209
brdg007w BRIDGESTONE 007 BR0210
bbs_001w BBS 001 BB0211
bbs_002w BBS 002 BB0212
bbs_003w BBS 003 BB0213
bbs_004w BBS 004 BB0214
bbs_005w BBS 005 BB0215
bbs_006w BBS 006 BB0216
bbs_007w BBS 007 BB0217
bbs_008w BBS 008 BB0218
bbs_009w BBS 009 BB0219
bbs_010w BBS 010 BB0220
bbs_011w BBS 011 BB0221
bbs_012w BBS 012 BB0222
bbs_013w BBS 013 BB0223
bbs_014w BBS 014 BB0224
bbs_015w BBS 015 BB0225
bbs_017w BBS 016 BB0227
bbs_018w BBS 017 BB0228
bbs_019w BBS 018 BB0229
bbs_020w BBS 019 BB0230
bbs_021w BBS 020 BB0231
dnlp001w DUNLOP 001 DN0221
dnlp002w DUNLOP 002 DN0222
dnlp003w DUNLOP 003 DN0223
dnlp004w DUNLOP 004 DN0224
dnlp005w DUNLOP 005 DN0225
dnlp006w DUNLOP 006 DN0226
dnlp007w DUNLOP 007 DN0227
dnlp008w DUNLOP 008 DN0228
dnlp009w DUNLOP 009 DN0229
enke001w ENKEI 001 EN0209
enke002w ENKEI 002 EN0210
enke003w ENKEI 003 EN0211
enke004w ENKEI 004 EN0212
enke005w ENKEI 005 EN0213
enke006w ENKEI 006 EN0214
enke007w ENKEI 007 EN0215
enke008w ENKEI 008 EN0216
enke009w ENKEI 009 EN0217
enke010w ENKEI 010 EN0218
enke011w ENKEI 011 EN0219
enke012w ENKEI 012 EN0220
enke013w ENKEI 013 EN0221
enke014w ENKEI 014 EN0222
enke015w ENKEI 015 EN0223
enke016w ENKEI 016 EN0224
enke017w ENKEI 017 EN0225
enke018w ENKEI 018 EN0226
enke019w ENKEI 019 EN0227
enke020w ENKEI 020 EN0228
enke021w ENKEI 021 EN0229
enke022w ENKEI 022 EN0230
enke023w ENKEI 023 EN0231
enke024w ENKEI 024 EN0232
enke025w ENKEI 025 EN0233
enke026w ENKEI 026 EN0234
enke027w ENKEI 027 EN0235
enke028w ENKEI 028 EN0236
enke029w ENKEI 029 EN0237
enke030w ENKEI 030 EN0238
enke031w ENKEI 031 EN0239
enke032w ENKEI 032 EN0240
enke033w ENKEI 033 EN0241
enke034w ENKEI 034 EN0242
enke035w ENKEI 035 EN0243
enke036w ENKEI 036 EN0244
enke037w ENKEI 037 EN0245
enke038w ENKEI 038 EN0246
enke039w ENKEI 039 EN0247
enke040w ENKEI 040 EN0248
enke041w ENKEI 041 EN0249
enke042w ENKEI 042 EN0250
enke043w ENKEI 043 EN0251
enke044w ENKEI 044 EN0252
enke045w ENKEI 045 EN0253
enke048w ENKEI 046 EN0256
enke049w ENKEI 047 EN0257
enke050w ENKEI 048 EN0258
flkn001w FALKEN 001 FL0218
flkn002w FALKEN 002 FL0219
oz__002w OZ 001 OZ0192
oz__003w OZ 002 OZ0193
oz__004w OZ 003 OZ0194
oz__005w OZ 004 OZ0195
oz__006w OZ 005 OZ0196
oz__007w OZ 006 OZ0197
oz__008w OZ 007 OZ0198
oz__009w OZ 008 OZ0199
oz__010w OZ 009 OZ0200
oz__011w OZ 010 OZ0201
oz__012w OZ 011 OZ0202
oz__013w OZ 012 OZ0203
oz__014w OZ 013 OZ0204
oz__015w OZ 014 OZ0205
oz__016w OZ 015 OZ0206
oz__017w OZ 016 OZ0207
oz__018w OZ 017 OZ0208
oz__019w OZ 018 OZ0209
oz__020w OZ 019 OZ0210
oz__021w OZ 020 OZ0211
oz__022w OZ 021 OZ0212
oz__023w OZ 022 OZ0213
oz__024w OZ 023 OZ0214
oz__025w OZ 024 OZ0215
oz__026w OZ 025 OZ0216
oz__027w OZ 026 OZ0217
oz__028w OZ 027 OZ0218
oz__029w OZ 028 OZ0219
oz__030w OZ 029 OZ0220
oz__032w OZ 030 OZ0222
oz__033w OZ 031 OZ0223
rays001w RAYS 001 RA0237
rays002w RAYS 002 RA0238
rays003w RAYS 003 RA0239
rays004w RAYS 004 RA0240
rays005w RAYS 005 RA0241
rays006w RAYS 006 RA0242
rays007w RAYS 007 RA0243
rays008w RAYS 008 RA0244
rays009w RAYS 009 RA0245
rays010w RAYS 010 RA0246
rays011w RAYS 011 RA0247
rays012w RAYS 012 RA0248
rays013w RAYS 013 RA0249
rays014w RAYS 014 RA0250
rays015w RAYS 015 RA0251
rays016w RAYS 016 RA0252
rays017w RAYS 017 RA0253
rays018w RAYS 018 RA0254
rays021w RAYS 019 RA0257
rays022w RAYS 020 RA0258
rays023w RAYS 021 RA0259
rays024w RAYS 022 RA0260
rays025w RAYS 023 RA0261
rays026w RAYS 024 RA0262
spln001w Speedline 001 SP0219
spln002w Speedline 002 SP0220
spln003w Speedline 003 SP0221
spln004w Speedline 004 SP0222
spln005w Speedline 005 SP0223
spln006w Speedline 006 SP0224
spln007w Speedline 007 SP0225
spln008w Speedline 008 SP0226
spln009w Speedline 009 SP0227
spln010w Speedline 010 SP0228
spln011w Speedline 011 SP0229
spln012w Speedline 012 SP0230
spln013w Speedline 013 SP0231
spln014w Speedline 014 SP0232
spln015w Speedline 015 SP0233
spln016w Speedline 016 SP0234
spln017w Speedline 017 SP0235
spln018w Speedline 018 SP0236
spln019w Speedline 019 SP0237
spln020w Speedline 020 SP0238
spln021w Speedline 021 SP0239
spln022w Speedline 022 SP0240
spln023w Speedline 023 SP0241
spln024w Speedline 024 SP0242
spln025w Speedline 025 SP0243
spln026w Speedline 026 SP0244
spln027w Speedline 027 SP0245
spln028w Speedline 028 SP0246
spln029w Speedline 029 SP0247
spln030w Speedline 030 SP0248
spln031w Speedline 031 SP0249
spln032w Speedline 032 SP0250
spln033w Speedline 033 SP0251
spln034w Speedline 034 SP0252
spln035w Speedline 035 SP0253
spln036w Speedline 036 SP0254
spln037w Speedline 037 SP0255
spln038w Speedline 038 SP0256
ykhm001w YOKOHAMA 001 YK0214
ykhm002w YOKOHAMA 002 YK0215
ykhm003w YOKOHAMA 003 YK0216
ykhm004w YOKOHAMA 004 YK0217
ykhm005w YOKOHAMA 005 YK0218
ykhm006w YOKOHAMA 006 YK0219
ykhm007w YOKOHAMA 007 YK0220
ykhm008w YOKOHAMA 008 YK0221
ykhm009w YOKOHAMA 009 YK0222
ykhm010w YOKOHAMA 010 YK0223
ykhm011w YOKOHAMA 011 YK0224
ykhm012w YOKOHAMA 012 YK0225
ykhm013w YOKOHAMA 013 YK0226
ykhm014w YOKOHAMA 014 YK0227
ykhm015w YOKOHAMA 015 YK0228
ykhm016w YOKOHAMA 016 YK0229
ykhm017w YOKOHAMA 017 YK0230
ykhm018w YOKOHAMA 018 YK0231
ykhm019w YOKOHAMA 019 YK0232
ykhm020w YOKOHAMA 020 YK0233
ykhm021w YOKOHAMA 021 YK0234
ykhm022w YOKOHAMA 022 YK0235
ykhm023w YOKOHAMA 023 YK0236
ykhm024w YOKOHAMA 024 YK0237
ykhm025w YOKOHAMA 025 YK0238

Oddities

Mazda RX-8 Concept (Type-II) '01

Although the car is available in multiple colors in Arcade Mode, when the Mazda RX-8 Concept (Type-II) '01 is obtained from earning all silver times in the International B License, the color the player receives is always in RX-8 Yellow color, leaving all other six colors seemingly unused in GT Mode. All other license prize cars available in multiple colors, such as the Volkswagen Lupo 1.4 '02 (from finishing the National B License) and Jensen Interceptor MkIII '74 (from getting all gold in International B License), are given to the player in any of each cars' color choices.

Because of this oddity, the car's other colors were left seemingly forgotten in the later games, they became hidden and unused in the PSP game and completely absent from the PlayStation 3-era games of the series.

Toyota 7 Race Car '70

In Arcade Mode, it is possible to drive the Toyota 7 Race Car '70 on dirt or snow tracks, even without using the car switch glitch. However, doing so results in the car's wheels appearing to be hollow, with the car being difficult to drive as a result; additionally, when the replay is played back, the tire information is shown as "-/-".

If this is done in 2 Player Battle with Player 2 choosing the car in question, the tires will appear properly (although not fully fitting the car in size), with proper drivability.

Mazda RX-8 Concept Purchase Prices

Acactussayswhat?
Please elaborate.
Having more detail is always a good thing.
Specifically: Is this the case with other not-for-sale cars?

If the Mazda RX-8 Concept (Type-I) '01 and the Mazda RX-8 Concept (Type-II) '01 is forcibly purchased from a dealership by changing a car into either of these, the car prices would appear as "Cr.--", meaning the cars in question could be purchased for free.

Citta di Aria in Arcade Mode

For some reason, Citta di Aria is the only track that cannot be used in Arcade Mode's Single Race mode. However it can be selected in Time Trial and 2 Player Battle modes.