Point of view test drive of the Mercedes-Benz GLA 45 AMG. This GLA 45 AMG has a 1991 cc twin-scroll turbo petrol engine with 4 cylinders. This engine delivers a power of 360 BHP and a torque of 450 Nm. It is in fact the most powerful 4 cylinder engine in the world. The GLA goes from 0-100 km/h in just 4.8 sec and has a top speed of 250 km/h. This car has a 7-speed AMG SPEEDSHIFT DCT automatic gearbox and is equipped with 4MATIC all-wheel drive.