No doubt some of you will have seen these before, or bits of them or whatever but I just discovered them so i'm posting them 
Almost 80 minutes worth total I think, 8 parts at roughly 10 minutes each.
Ultimate Car Sounds Part I
Aston Martin V8 Vantage, Ferrari 360 Challenge Stradale, Ford GTX1, Lamborghini Gallardo (Spyder, Superleggera), Mercedes-AMG, McLaren Mercedes SLR, Pagani Zonda F
Ultimate Car Sounds Part II
Lamborghini Murcielago LP640, VW Golf MKV R32, Toyota Supra, Königsegg CCX, Aston Martin V12-Models, Bugatti Veyron, Ferrari Enzo, Nissan Skyline GTR, Porsche 911 (GT3 & Turbo), Ferrari 430, Ford GT & Mustang
Ultimate Car Sounds Part III
Audi RS4 (V8, MTM), Porsche Carrera GT (& Gemballa Mirage GT), BMW-M (M5, M3 CSL, Hartge H1, Z4M), Nissan 350Z, some others...
Ultimate Car Sounds Part IV
BMW E92 M3, Cargraphic 911 GT3 RS, Formula 1, Ferrari FXX / F430 Scuderia, some Porsches, a lot of American Muscle, Tubi Style Murcielago & F40/F50/355/360CS, some Imports
Ultimate Car Sounds Part V
Toyota Supras, Nissan Skylines, Mazda RX7s, SpeedArt Porsches (911, Boxster, Cayenne), Vipers, Carlsson Mercedes (SLK, SL, E), Golf R32 Turbos, M3s, Heffner Gallardo TT, WAIT FOR THE END!!!
Ultimate Car Sounds Part VI
Caparo T1, Formula 1, Ferrari FXX, Renault Hillclimb, Maserati Tropheo, more American Muscle, loud BMW M5, Nissan 350Z, HKS Skyline, AMS Evo, tuned Carrera GT, Heffner Ford GT, Lexus LF-A, Loaded M3 CSL, LP640, Aston Martin DBS, Ferrari 599, tuned Porsches
Ultimate Car Sounds Part VII
Audi R8LM, Audi S1 Rally Car, Nissan Skyline, Kreissig 911GT3, Kreissig Lamborghini Countach, Porsche Carrera GT, Zonda, Viper Racingcar, Lamborghini Murcielago
Ultimate Car Sounds Part VIII
Several Ferraris, F1, a lot of Racing Cars, Corvette C6R/C5R, Saleen S7R, V8s, Mazda 787LM, McLaren F1, Edo Maserati MC12, BMW M3 GTR, Ascari A10, Cadillac CTS-V Driftcar, RX7, Evo, 350Z, Supra, Lamborghini Gallardo & Diablo GT
Enjoy

Almost 80 minutes worth total I think, 8 parts at roughly 10 minutes each.
Ultimate Car Sounds Part I
Aston Martin V8 Vantage, Ferrari 360 Challenge Stradale, Ford GTX1, Lamborghini Gallardo (Spyder, Superleggera), Mercedes-AMG, McLaren Mercedes SLR, Pagani Zonda F
Ultimate Car Sounds Part II
Lamborghini Murcielago LP640, VW Golf MKV R32, Toyota Supra, Königsegg CCX, Aston Martin V12-Models, Bugatti Veyron, Ferrari Enzo, Nissan Skyline GTR, Porsche 911 (GT3 & Turbo), Ferrari 430, Ford GT & Mustang
Ultimate Car Sounds Part III
Audi RS4 (V8, MTM), Porsche Carrera GT (& Gemballa Mirage GT), BMW-M (M5, M3 CSL, Hartge H1, Z4M), Nissan 350Z, some others...
Ultimate Car Sounds Part IV
BMW E92 M3, Cargraphic 911 GT3 RS, Formula 1, Ferrari FXX / F430 Scuderia, some Porsches, a lot of American Muscle, Tubi Style Murcielago & F40/F50/355/360CS, some Imports
Ultimate Car Sounds Part V
Toyota Supras, Nissan Skylines, Mazda RX7s, SpeedArt Porsches (911, Boxster, Cayenne), Vipers, Carlsson Mercedes (SLK, SL, E), Golf R32 Turbos, M3s, Heffner Gallardo TT, WAIT FOR THE END!!!
Ultimate Car Sounds Part VI
Caparo T1, Formula 1, Ferrari FXX, Renault Hillclimb, Maserati Tropheo, more American Muscle, loud BMW M5, Nissan 350Z, HKS Skyline, AMS Evo, tuned Carrera GT, Heffner Ford GT, Lexus LF-A, Loaded M3 CSL, LP640, Aston Martin DBS, Ferrari 599, tuned Porsches
Ultimate Car Sounds Part VII
Audi R8LM, Audi S1 Rally Car, Nissan Skyline, Kreissig 911GT3, Kreissig Lamborghini Countach, Porsche Carrera GT, Zonda, Viper Racingcar, Lamborghini Murcielago
Ultimate Car Sounds Part VIII
Several Ferraris, F1, a lot of Racing Cars, Corvette C6R/C5R, Saleen S7R, V8s, Mazda 787LM, McLaren F1, Edo Maserati MC12, BMW M3 GTR, Ascari A10, Cadillac CTS-V Driftcar, RX7, Evo, 350Z, Supra, Lamborghini Gallardo & Diablo GT
Enjoy
