This is the official Need for Speed SHIFT car list.  

this list form an other site which i have browsed but i not sure about it but any these are those cars which will be seen in shift

* Aston Martin DBR9
* Audi R8 LMS
* Audi R8
* Audi RS4
* Audi S3
* Audi TT 3.2 Quattro
* Audi S4
* BMW 1-Series Coupe '09
* BMW M3 E36
* BMW M3 E46 '99
* BMW M3 E92
* BMW 135i Coupé
* BMW M3 GT2
* Bugatti Veyron 16.4
* Chevrolet Corvette Z06
* Chevrolet Cobalt SS
* Chevrolet Camaro SS (2010)
* Dodge Challenger '09
* Dodge Viper SRT10
* Ford Escort RS Cosworth
* Ford GT
* Vaughn Griffin Jr.'s 2010 Falken Tire Ford Mustang GT
* Ford Mustang GT500
* Ford Focus
* Lamborghini Gallardo LP560-4
* Lamborghini Murcielago LP640
* Lamborghini Reventon '08
* Lotus Elise
* Lotus Exige S
* Maserati MC12 GT1
* Mazda MX5
* Mazda RX8
* Mazda RX-7 '95
* Mclaren F1
* Mercedes Benz SLR Mclaren 722 Edition
* Mercedes Benz SL65 AMG
* Mitsubishi Lancer Evolution IX MR '06
* Mitsubishi Lancer Evolution X '08
* Infiniti G35
* Nissan 240SX
* Nissan Silvia (S14) '94
* Nissan Silvia Spec-R (S15) '00
* Nissan 350Z (Z33)
* Nissan 370Z (Z34)'09
* Nissan Skyline 2000 GTR '69
* Nissan Skyline GT-R (R34) '99
* Nissan GT-R (R35) '08
* Nissan GT-R V-Spec (R35) '10
* Pagani Zonda F
* Pagani Zonda R
* Porsche 911 GT2
* Porsche 911 GT3 RSR
* Porsche 911 GT3 RS
* Porsche Carrera GT
* Porsche Cayman S
* Shelby Mustang Terlingua
* Toyota Corolla AE86 (Trueno)
* Honda Civic Si
* Honda S2000
* Renault Mégane RS
* Subaru Impreza WRX STi
* Lexus LF-A Concept
* SCION tC
* Volkswagen Scirocco
* Volkswagen Golf GTI