The 3rd generation Audi A3 is based on the new VAG MQB chassis. Available in a sedan, cabriolet, (and also a hatchback in the A3 e-tron) the A3 checks many of the right boxes for a lot of people. Achtuning can help take your A3 1.8T to 240 HP / 285 TQ with just a simple stage 1 tune, the 2.0T goes to 305 HP / 371 TQ! Or go wild and bring your A3 2.0T to to 536 HP / 474 TQ with a full stage 3 build!