The GLA 250 is powered by a 2L turbocharged 4-cylinder engine mated to an 8-speed automatic transmission that makes 221 horsepower, the AMG 35 uses the same engine tuned for 302 horsepower while the AMG 45 at the top of the lineup has 382 horsepower. Both GLA models use the latest generation of 4MATIC all-wheel drive, and the variable-torque system monitors each corner of the vehicle, sending up to 50 percent of the engine's torque to the rear wheels. The system also adapts to varying unpaved travel with an off-road mode. The GLA250 comes well equipped with 18-inch wheels, rain-sensing windshield wipers, HD radio with Bluetooth hands-free connectivity and audio streaming, a power driver seat with memory, split-folding rear seats and a power liftgate. The AMG GLA 35 features a sport suspension, painted calipers, front and rear vented disc brakes, a predictive brake assist system, a 10.25-inch touchscreen, 4 USB ports The GLA45 AMG is all about performance and its features and accessories all speak to that, including AMG sport suspension and sport exhaust. It also features available AMG performance seats and an AMG Performance Steering Wheel in Nappa Leather, red-painted rear calipers, and an aerodynamic package. Safety features across the lineup include 8 airbags, stability control, hill start assist, a rearview camera, a blind spot warning system, forward collision alert and driver attention alert.