The basics are this: replacing the previous 5.5-liter V8 and 7-speed auto is an electrically boosted, twin-turbo 4.0-liter V8 generating 603 horsepower and 627 pound-feet of torque. A new 48-volt electrical system can provide additional juice through a motor integrated between the engine and the transmission in what Mercedes refers to as EQ boost; a mild-hybrid technology. The 9-speed twin-clutch gearbox routes power through a fully variable all-wheel drive system …
Mercedes-AMG is expanding its GT family with two new Roadster models: the GT Roadster and the GT C Roadster with a performance level between the GT S and the range-topping GT R. With these 2 new variants, the GT family now hasto six members. Outputting 550 horsepower, this 2018 GT C Roadster is stuffed with a 4.0-liter biturbo V8 driving the rear wheels through a 7-speed dual-clutch transmission. Taking cues …