The 2017 Smart Forfour is a 5-door, 4-seat city car designed for tight urban maneuverability, sharing its platform and Renault-sourced engines with the Twingo. Available with a 71hp 1.0L or 90hp 0.9L turbo petrol engine, it offers excellent fuel economy and a very small turning radius, making it ideal for parking, though it struggles with highway speeds. Key Information for 2017 Model Year: Engines: 1.0-litre (71 hp) or 0.9-litre turbocharged (90 hp) 3-cylinder petrol engines. Transmission: 5-speed manual . Performance: 0-62 mph takes 12.7s for the Electric Drive, while petrol models are generally slower (up to 16.4s for the 1.0L). Fuel Efficiency: Claimed to deliver over 43–67 mpg, with efficient performance in city driving. Dimensions: Very compact at 3,495 mm in length, suitable for small spaces. Key Features: Rear-wheel drive, 5-door hatchback, rear-mounted engine (under the boot floor).