Smart Forfour

The Smart Forfour is a city car presented and produced by Smart over two generations. The first generation was marketed in Europe from 2004 to 2006 (5 door, front engine) and the second generation was marketed in Europe from 2014 onwards (5 door, rear engine).  The feature leather sports seats and a similarly trimmed dashboard with clock and rev counter, JBL sound system, a sports bodykit with a rear diffuser, 17-inch alloy wheels and LED lighting upgrades. 

First Generation (2004–2006): The first generation Forfour was marketed only in Europe from 2004 to 2006 and in Australia as a 4-door, 5-seat hatchback, sharing its platform with the Mitsubishi Colt. The 1.5 L (92 in3) common direct injection (cdi) diesel engine, is a three-cylinder Mercedes-Benz engine derived from the four-cylinder used in the Mercedes-Benz A-Class, and is available with either 68 PS (50 kW; 67 hp) or 95 PS (70 kW; 94 hp).

Second Generation (2014–present): The second generation Forfour is jointly developed with Renault. Motor Trend reported the second generation Forfour shares approximately 70% of its parts with the third generation Renault Twingo. Smart CEO Annette Winkler has reported that the W453 will retain the second Generation Fortwo trademark hemispherical steel safety cell, marketed as the Tridion cell. 

A Smart Forfour has been converted into a plug-in hybrid by Lithium Technology Corporation and Zytek Systems. The lithium-ion battery can propel the vehicle up to 84 mph (135 km/h) and last on its own for up to 20 miles (32 km). The engine is a combination of a 68 hp (51 KW; 69 PS), 1.5 L (92 in3), three-cylinder turbocharged diesel engine and two high-efficiency permanent-magnet electric motors. It received an award from the Energy Saving Trust for the "Ultra Low Carbon Car Challenge" project.