Gordon Murray has announced his T.25 and T.27 city cars have been sold to undisclosed buyer.
Murray declined to give names but confirmed the models are slated to go into production in 2016.
Little is known about the production models but the T.25 concept featured a 660cc three-cylinder engine that developed 51 bhp (38 kW) and 57 Nm (42 lb-ft) of torque. It was connected to a five-speed semi-automatic transmission when enabled the 575 kg (1268 lb) car to accelerate from 0-100 km/h in 16.2 seconds, hit a limited top speed of 145 km/h (90 mph) and average 75 mpg UK (3.8 L/100km / 61.6 mpg US) with CO2 emissions of 86 g/km.
The T.27, on the other hand, was an electric vehicle with a 12 kWh lithium-ion battery and an electric motor that developed 34 bhp (25 kW) and 875 Nm (645 lb-ft) of torque. This enabled the car to accelerate from 0-100 km/h in less than 15 seconds, hit a top speed of 105 km/h (65 mph) and travel approximately 100 miles (161 km) on a single charge.