Classes could be divided like this, for example (More or less as they do it on
http://db.gtrp.de/ the database of the german forum):
Sports cars A & Supercars:
Amuse CarbonR (R34) 2004 723 PS 713 HP 1010 kg 0.7158 PS/kg FR
Amuse S2000 GT1 2004 610 PS 602 HP 1062 kg 0.5744 PS/kg FR
Audi Nuvolari quattro 2003 728 PS 718 HP 1409 kg 0.5167 PS/kg 4WD
Audi LeMans quattro 2003 768 PS 757 HP 1377 kg 0.5577 PS/kg 4WD
Blitz ER34 D1 spec 2004 2004 568 PS 560 HP 1062 kg 0.5348 PS/kg FR
Buick Special 1962 702 PS 692 HP 1227 kg 0.5721 PS/kg FR
Cadillac Cien 2002 912 PS 900 HP 1305 kg 0.6989 PS/kg MR
Caterham Seven Fire Blade 2002 192 PS 189 HP 332 kg 0.5783 PS/kg FR
HKS Genki Hyper Silvia RS2 2004 578 PS 570 HP 1017 kg 0.5683 PS/kg FR
Honda NSX-R Prototype LM Road Car 2002 663 PS 654 HP 1107 kg 0.5989 PS/kg MR
Jaguar XJ220 1992 627 PS 618 HP 1234 kg 0.5081 PS/kg MR
Mine's Skyline GT-R VN1 Vspec (R34) 2000 720 PS 710 HP 1206 kg 0.5970 PS/kg 4WD
Nissan Option Stream Z 2004 922 PS 909 HP 1296 kg 0.7114 PS/kg FR
Pagani Zonda C12S 2000 661 PS 652 HP 1215 kg 0.5440 PS/kg MR
Pagani Zonda C12S 7.3 2002 667 PS 658 HP 1125 kg 0.5929 PS/kg MR
RUF CTR "Yellow Bird" 1987 562 PS 554 HP 1035 kg 0.5430 PS/kg RR
RUF CTR 2 1996 625 PS 616 HP 1242 kg 0.5032 PS/kg 4WD
Saleen S7 2002 669 PS 660 HP 1125 kg 0.5947 PS/kg MR
Spyker C8 Laviolette 2002 546 PS 539 HP 963 kg 0.5670 PS/kg FR
Tommy Kaira ZZII 2000 660 PS 651 HP 900 kg 0.7333 PS/kg 4WD
TVR Cerbera Speed 12 2000 970 PS 957 HP 918 kg 1.0566 PS/kg FR
Volkswagen W12 Nardo Concept 2001 720 PS 710 HP 1170 kg 0.6154 PS/kg MR
Aston Martin Vanquish 2004 559 PS 551 HP 1651 kg 0.3386 PS/kg FR
Aston Martin V8 Vantage 1999 679 PS 670 HP 1773 kg 0.3830 PS/kg FR
Aston Martin DB9 Coupe 2003 546 PS 539 HP 1539 kg 0.3548 PS/kg FR
Audi Pikes Peak quattro 2003 611 PS 603 HP 1727 kg 0.3538 PS/kg 4WD
BMW M3 CSL 2003 430 PS 424 HP 1246 kg 0.3451 PS/kg FR
BMW M3 GTR 2003 456 PS 450 HP 1215 kg 0.3753 PS/kg FR
BMW M5 2005 609 PS 601 HP 1543 kg 0.3947 PS/kg FR
Callaway C12 2003 526 PS 519 HP 1332 kg 0.3949 PS/kg FR
Chevrolet Corvette Z06 (C5) 2000 460 PS 454 HP 1268 kg 0.3628 PS/kg FR
Cizeta V16T 1994 705 PS 695 HP 1476 kg 0.4776 PS/kg MR
Dodge Viper GTSR Concept 2000 606 PS 598 HP 1327 kg 0.4567 PS/kg FR
Dodge Viper GTS 1999 546 PS 539 HP 1412 kg 0.3867 PS/kg FR
Dodge Viper SRT10 2003 607 PS 599 HP 1379 kg 0.4402 PS/kg FR
Ford GT 2002 607 PS 599 HP 1305 kg 0.4651 PS/kg MR
Ford GT 2005 670 PS 661 HP 1306 kg 0.5130 PS/kg MR
Honda HSC "37th MS Concept Car" 2003 394 PS 389 HP 1035 kg 0.3807 PS/kg MR
Honda Dualnote 2001 472 PS 466 HP 1260 kg 0.3746 PS/kg 4WD
HPA Motorsports Stage II R32 2004 634 PS 625 HP 1336 kg 0.4746 PS/kg 4WD
Jay Leno Tank Car 2003 1080 PS 1065 HP 3150 kg 0.3429 PS/kg FR
Lotus Motor Sport Elise 1999 244 PS 241 HP 630 kg 0.3873 PS/kg MR
Lotus Esprit V8 SE 1998 429 PS 423 HP 1242 kg 0.3454 PS/kg MR
Lotus Esprit Sport 350 2000 429 PS 423 HP 1170 kg 0.3667 PS/kg MR
Lotus Esprit V8 2002 429 PS 423 HP 1242 kg 0.3454 PS/kg MR
Lotus Elise Sport 190 1999 228 PS 225 HP 603 kg 0.3781 PS/kg MR
Lotus Esprit V8 GT 1998 429 PS 423 HP 1192 kg 0.3599 PS/kg MR
Mazda BP Falken RX-7 (D1GP) 2003 490 PS 483 HP 1107 kg 0.4426 PS/kg FR
Mercedes-Benz SL 65 AMG (R230) 2004 734 PS 724 HP 1825 kg 0.4022 PS/kg FR
Mercedes-Benz SLR McLaren 2003 750 PS 740 HP 1591 kg 0.4714 PS/kg FR
Mercedes-Benz SL 55 AMG (R230) 2002 598 PS 590 HP 1759 kg 0.3400 PS/kg FR
Mine's Lancer Evolution VO 2000 480 PS 473 HP 1089 kg 0.4408 PS/kg 4WD
Mitsubishi Lancer Evolution VI RS 1999 379 PS 374 HP 1134 kg 0.3342 PS/kg 4WD
Mitsubishi HSR-II Concept 1989 418 PS 412 HP 1080 kg 0.3870 PS/kg 4WD
Nike One 2022 0 310 PS 306 HP 684 kg 0.4532 PS/kg 4WD
Nismo Skyline GT-R S-tune (R32) 2000 490 PS 483 HP 1350 kg 0.3630 PS/kg 4WD
Nismo Fairlady Z Z-tune 2003 468 PS 462 HP 1125 kg 0.4160 PS/kg FR
Nismo Skyline GT-R R-tune (R34) 1999 549 PS 541 HP 1404 kg 0.3910 PS/kg 4WD
Nismo 400R 1996 480 PS 473 HP 1395 kg 0.3441 PS/kg 4WD
Nissan Gran Turismo Skyline GT-R 2001 648 PS 639 HP 1404 kg 0.4615 PS/kg 4WD
Nissan GT-R Concept (TokyoShow) 2001 544 PS 537 HP 1404 kg 0.3875 PS/kg FR
Nissan R390 GT1 Road Car 1998 428 PS 422 HP 1062 kg 0.4030 PS/kg MR
Opera Performance Z 2004 420 PS 414 HP 1206 kg 0.3483 PS/kg FR
Opera Performance S2000 2004 328 PS 324 HP 837 kg 0.3919 PS/kg FR
Pagani Zonda C12 2000 471 PS 465 HP 1125 kg 0.4187 PS/kg MR
RUF BTR 1986 450 PS 444 HP 1062 kg 0.4237 PS/kg RR
RUF RGT 2000 436 PS 430 HP 1197 kg 0.3642 PS/kg RR
Shelby Series 1 Super Charged 2003 388 PS 383 HP 1081 kg 0.3589 PS/kg FR
Spoon Civic Type R (EK) 2000 260 PS 256 HP 738 kg 0.3523 PS/kg FF
Suzuki GSX-R/4 2001 210 PS 207 HP 576 kg 0.3646 PS/kg MR
Tommy Kaira ZZ-S 2000 232 PS 229 HP 621 kg 0.3736 PS/kg MR
Toyota Sprinter Trueno GT-APEX Shigeno 2000 252 PS 249 HP 742 kg 0.3396 PS/kg FR
TVR Griffith 500 1994 414 PS 408 HP 954 kg 0.4340 PS/kg FR
TVR Cerbera Speed Six 1997 424 PS 418 HP 1017 kg 0.4169 PS/kg FR
TVR Tamora 2002 420 PS 414 HP 954 kg 0.4403 PS/kg FR
TVR Tuscan Speed 6 2000 439 PS 433 HP 990 kg 0.4434 PS/kg FR
TVR T350C 2003 424 PS 418 HP 1068 kg 0.3970 PS/kg FR
Sports Cars B:
Amuse S2000 R1 2004 314 PS 310 HP 1008 kg 0.3115 PS/kg FR
ASL Garaiya 2002 240 PS 237 HP 720 kg 0.3333 PS/kg MR
Aston Martin DB7 Vantage Coupe 2000 510 PS 503 HP 1597 kg 0.3193 PS/kg FR
Audi RS6 Avant 2002 543 PS 536 HP 1692 kg 0.3209 PS/kg 4WD
Audi RS4 2001 460 PS 454 HP 1458 kg 0.3155 PS/kg 4WD
Audi RS6 2002 543 PS 536 HP 1656 kg 0.3279 PS/kg 4WD
BMW M Coupe 1998 385 PS 380 HP 1318 kg 0.2921 PS/kg FR
BMW M3 2004 412 PS 406 HP 1413 kg 0.2916 PS/kg FR
Chevrolet Corvette ZR-1 (C4) 1990 457 PS 451 HP 1440 kg 0.3174 PS/kg FR
Chevrolet Corvette Grand Sport (C4) 1996 402 PS 397 HP 1346 kg 0.2987 PS/kg FR
Chevrolet Silverado SST Concept 2002 594 PS 586 HP 2041 kg 0.2910 PS/kg FR
Ford Mustang SVT Cobra R 2000 445 PS 439 HP 1465 kg 0.3038 PS/kg FR
FPV GT 2004 471 PS 465 HP 1642 kg 0.2868 PS/kg FR
Honda NSX-R Concept 2001 346 PS 341 HP 1143 kg 0.3027 PS/kg MR
Honda NSX Type R 1992 346 PS 341 HP 1118 kg 0.3095 PS/kg MR
Honda NSX Type S Zero 1997 346 PS 341 HP 1143 kg 0.3027 PS/kg MR
Honda NSX Type S Zero 1999 346 PS 341 HP 1143 kg 0.3027 PS/kg MR
Honda Mugen S2000 2000 295 PS 291 HP 1127 kg 0.2618 PS/kg FR
Honda NSX Type R 2002 354 PS 349 HP 1143 kg 0.3097 PS/kg MR
Hyundai Clix 2001 364 PS 359 HP 1188 kg 0.3064 PS/kg 4WD
Infiniti FX45 Concept 2002 414 PS 408 HP 1350 kg 0.3067 PS/kg 4WD
Jaguar S-Type R 2002 486 PS 479 HP 1620 kg 0.3000 PS/kg FR
Jaguar XKR R-Performance 2002 472 PS 466 HP 1561 kg 0.3024 PS/kg FR
Jaguar XKR Coupe 1999 462 PS 456 HP 1476 kg 0.3130 PS/kg FR
Lotus Carlton 1990 457 PS 451 HP 1489 kg 0.3069 PS/kg FR
Lotus Elise 111R 2004 230 PS 227 HP 774 kg 0.2972 PS/kg MR
Mazda RX-7 Type RS (FD) 1998 349 PS 344 HP 1152 kg 0.3030 PS/kg FR
Mazda RX-8 Type S 2003 340 PS 335 HP 1179 kg 0.2884 PS/kg FR
Mazda RX-7 Type RZ (FD) 2000 352 PS 347 HP 1143 kg 0.3080 PS/kg FR
Mazda RX-8 Concept (Type-I) 2001 340 PS 335 HP 1080 kg 0.3148 PS/kg FR
Mazda RX-7 Type R Bathurst R (FD) 2001 352 PS 347 HP 1134 kg 0.3104 PS/kg FR
Mazda RX-7 Spirit R Type A (FD) 2002 356 PS 351 HP 1143 kg 0.3115 PS/kg FR
Mazda RX-8 Concept (Type-II) 2001 340 PS 335 HP 1080 kg 0.3148 PS/kg FR
Mazda RX-7 Type RS (FD) 2000 349 PS 344 HP 1152 kg 0.3030 PS/kg FR
Mercedes-Benz SL 600 (R230) 2004 598 PS 590 HP 1822 kg 0.3282 PS/kg FR
Mercedes-Benz CLK 55 AMG 2000 421 PS 415 HP 1458 kg 0.2888 PS/kg FR
Mercedes-Benz E 55 AMG 2002 570 PS 562 HP 1719 kg 0.3316 PS/kg FR
Mitsubishi Lancer Evolution VII GSR 2001 382 PS 377 HP 1260 kg 0.3032 PS/kg 4WD
Mitsubishi Lancer Evolution VIII GSR 2003 385 PS 380 HP 1269 kg 0.3034 PS/kg 4WD
Mitsubishi Lancer Evolution VI GSR 1999 379 PS 374 HP 1224 kg 0.3096 PS/kg 4WD
Mitsubishi Lancer Evolution VI GSR Tommi Makinen Ed. 2000 379 PS 374 HP 1224 kg 0.3096 PS/kg 4WD
Mitsubishi Lancer Evolution VII RS 2001 382 PS 377 HP 1188 kg 0.3215 PS/kg 4WD
Mitsubishi Lancer Evolution VIII MR GSR 2004 391 PS 386 HP 1260 kg 0.3103 PS/kg 4WD
Mitsubishi Lancer Evolution VI RS Tommi Makinen Ed. 2000 379 PS 374 HP 1224 kg 0.3096 PS/kg 4WD
Mitsubishi Lancer Evolution V GSR 1998 373 PS 368 HP 1224 kg 0.3047 PS/kg 4WD
Mitsubishi Lancer Evolution VIII RS 2003 384 PS 379 HP 1188 kg 0.3232 PS/kg 4WD
Nismo 270R 1994 324 PS 320 HP 1116 kg 0.2903 PS/kg FR
Nissan Skyline GT-R V-spec (R34) 1999 403 PS 397 HP 1404 kg 0.2870 PS/kg 4WD
Nissan Skyline GT-R V-spec II (R34) 2000 403 PS 397 HP 1404 kg 0.2870 PS/kg 4WD
Nissan Skyline GT-R M-spec II Nür (R34) 2002 408 PS 402 HP 1422 kg 0.2869 PS/kg 4WD
Nissan Skyline GT-R (R34) 1999 398 PS 393 HP 1386 kg 0.2872 PS/kg 4WD
Nissan Skyline GT-R V-spec II Nür (R34) 2002 409 PS 403 HP 1404 kg 0.2913 PS/kg 4WD
Nissan Skyline GT-R (R32) 1989 370 PS 365 HP 1287 kg 0.2875 PS/kg 4WD
Nissan Skyline GT-R M-spec (R34) 2001 403 PS 397 HP 1404 kg 0.2870 PS/kg 4WD
Nissan Gran Turismo Skyline GT-R (Pace Car) 2001 403 PS 397 HP 1404 kg 0.2870 PS/kg 4WD
Nissan Skyline GT-R (R34) 2000 398 PS 393 HP 1386 kg 0.2872 PS/kg 4WD
RUF 3400S 2000 372 PS 367 HP 1170 kg 0.3179 PS/kg MR
Spoon S2000 2000 330 PS 325 HP 990 kg 0.3333 PS/kg FR
Subaru Impreza Sedan WRX STi Version(GD, Type-I) 2000 370 PS 365 HP 1287 kg 0.2875 PS/kg 4WD
Subaru Impreza Sedan WRX STi Version II(GC) 1995 325 PS 321 HP 1116 kg 0.2912 PS/kg 4WD
Subaru Impreza Sport Wagon WRX STi Version VI (GF) 1999 344 PS 339 HP 1179 kg 0.2918 PS/kg 4WD
Subaru Impreza Sport Wagon STi (GG, Type-I) 2000 370 PS 365 HP 1287 kg 0.2875 PS/kg 4WD
Subaru Impreza Sedan WRX Sti Version V (GC) 1998 339 PS 334 HP 1143 kg 0.2966 PS/kg 4WD
Subaru Impreza Premium Sport Coupe 22B-Sti Version (GC) 1998 352 PS 347 HP 1143 kg 0.3080 PS/kg 4WD
Subaru Impreza Sedan WRX STi (GD, Type II) 2002 378 PS 373 HP 1296 kg 0.2917 PS/kg 4WD
Subaru Impreza Sedan WRX Sti Version III(GC) 1996 336 PS 331 HP 1125 kg 0.2987 PS/kg 4WD
Subaru Impreza WRX STi Prodrive Style (GD, Type-I) 2001 370 PS 365 HP 1287 kg 0.2875 PS/kg 4WD
Subaru Impreza Sedan WRX Sti Version VI (GC) 1999 346 PS 341 HP 1143 kg 0.3027 PS/kg 4WD
Subaru Impreza Sedan WRX STi (GC) 1994 324 PS 320 HP 1107 kg 0.2927 PS/kg 4WD
Subaru Impreza Coupe WRXtypeR Sti Version VI (GC) 1999 346 PS 341 HP 1134 kg 0.3051 PS/kg 4WD
Subaru Impreza Sedan WRX STi spec C (GD, Type II) 2004 391 PS 386 HP 1233 kg 0.3171 PS/kg 4WD
Subaru Impreza Sedan WRX Sti Version IV (GC) 1997 338 PS 333 HP 1125 kg 0.3004 PS/kg 4WD
Toyota Supra RZ 1997 396 PS 391 HP 1359 kg 0.2914 PS/kg FR
Toyota Motor Triathlon Race Car 2004 319 PS 315 HP 1080 kg 0.2954 PS/kg 4WD
Trial Celica SS-II 2003 340 PS 335 HP 1026 kg 0.3314 PS/kg FF
TVR V8S 1991 290 PS 286 HP 945 kg 0.3069 PS/kg FR
Classic Cars (1900 - 1979)
The title sums it up.
A-Class to M-Class sections contains all other road cars (way too many to mention)
Or, as we could say at the moment: All cars driven by Diego