2010 Ford Flex Specifications
Engine Specifications
  3.5L V6 3.5L EcoBoost
Drive type Front-Wheel Drive (std.) Active All-Wheel Drive (opt.) Active ALL Wheel Drive (std)
Engine type 3.5L V6 Duratec 35 Engine 3.5L twin-turbo charged V6 engine
Transmission 6-speed automatic 6-speed SelectShift Automatic™ with paddle activation
Final drive ratio 3.16 (Front-Wheel Drive) 3.39 (AWD) 3.16
Fuel economy (EPA-estimated) FWD: 17 city/24 highway / AWD: 16 city/22 highway 16 city/22 highway
Horsepower (SAE net @ rpm) 262 @ 6,250 355 @ 5,700
Torque (lb.-ft @ rpm) 248 @ 4,500 350 @ 3,500
Compression ratio 10.3:1 10.0:1
Valve lifters Direct acting mechanical bucket Direct acting mechanical bucket
Fuel delivery Sequential multi-port electronic fuel injection Direct Injection
Exhaust Single, stainless steel with two catalytic converters Dual stainless steel with two catalytic converters and chrome tips
Engine block type Cast aluminum Cast aluminum
Cylinder head material Cast aluminum Cast aluminum