Immaculate 2018 Audi S3 that’s been tastefully upgraded and obsessively maintained, delivering a verified 367 HP thanks to a proper Stage 1 engine and TCU tune. This isn’t just another tuned hatch—it’s a well-sorted performance machine featuring a RacingLine R600 intake with foam oversock, billet coolant vent, and laser platinum spark plugs. With full gearbox and Haldex servicing completed and common issues like the water pump proactively addressed, this S3 offers thrilling power, reliability, and peace of mind for the true enthusiast.