650HP Audi S1 Sportback Quattro Review | The Ultimate Manual Pocket Rocket Acceleration & Sound by turboandstance - March 28, 2026March 28, 2026 This heavily modified Audi S1 Sportback proves that big performance can come in a very small package. Equipped with a fully built 2.0 TFSI engine producing an incredible 650 horsepower. This lightweight quattro hot hatch delivers explosive acceleration, razor-sharp handling, and pure driver engagement. Thanks to its manual gearbox. With forged internals, a Garrett G30-900 turbo, upgraded fueling system, and reinforced drivetrain, this Audi S1 transforms from a sporty daily into a true street and track weapon. During a proper road trip review, the driver explores everything from brutal launches and turbo sounds to driving dynamics, design details, and real-world usability. Weighing just 1300kg while pushing supercar-level power, this tuned Audi S1 Sportback showcases why compact performance cars remain some of the most exciting machines on the road. A perfect combination of low weight, quattro traction, and raw mechanical feel makes this ultimate pocket rocket an unforgettable driving experience. 🚀 Mega Audi Drag Race: R8 vs RS6 vs RS3 vs S1 vs RS2 vs Ducati 2017