A "single turbocharger" refers to a device that increases the power and efficiency of an engine by using the exhaust gases to force more air into the engine. It is a single unit that helps to improve the performance of the vehicle. Full definition
Despite the enormous single turbocharger, boost initially builds according to your throttle input, then the whole car seems to make a great shrieking noise, a light flashes and you pull the paddle, as much out of relief as any desire to see what happens in second, and your brain registers a dose of back pain. (evo.co.uk)
Mechanically conventional, it uses direct injection and a single turbocharger and has been tuned for low - range torque, producing its peak of 185 lb ft at a very diesel - like 1500rpm. (evo.co.uk)
Next up is the A250's «M 260» 2 - litre four - pot, making 221bhp and 258 lb ft of torque, thanks to variable valve timing, a single turbocharger and once again, a standard particulate filter. (evo.co.uk)