Today Ubisoft released the PC specs for The Crew. Below are the system requirements in full.
MINIMUM
Supported OS: Windows 7 SP1, Windows 8/8.1 (64bit)
Processor :Intel Core2 Quad Q9300 @ 2.5 GHz or AMD Athlon II X4 620 @ 2.6 GHz (or better)
RAM :4GB
Video Card: NVIDIA GeForce GTX260 or AMD Radeon HD4870 (512MB VRAM with Shader Model 4.0 or higher)
RECOMMENDED
Supported OS: Windows 8/8.1 (64bit)
Processor: Intel Core i5-750 @ 2.66 GHz or AMD Phenom II X4 940 @ 3.0 GHz (or better)
RAM: 8GB
Video Card: NVIDIA GeForce GTX580 or AMD Radeon 6870 (1024MB VRAM with Shader Model 5.0 or higher)
OPTIMAL
Supported OS: Windows 8/8.1 (64bit)
Processor: Intel Core i7-2600K @ 3.4 GHz or AMD FX-8150 @ 3.6 GHz (or better)
RAM: 8GB
Video Card: NVIDIA GeForce GTX670 or AMD Radeon 7870 (2048MB VRAM with Shader Model 5.0 or higher