Main TFSI engines
1.0 TFSI (3-cylinder) and 1.4/1.5 TFSI EA211 are used in compact A1 and A3 models. The 2.0 TFSI EA888 (gen3 and gen3B) is the core engine — 150–245 HP in A3, A4, A5, Q3 and Q5. The 3.0 TFSI V6 powers the A6, A7, Q7 and Q8 with 340–450 HP. S and RS models use special engines: S3/S4 2.9 TFSI V6, RS3 and RS Q3 2.5 TFSI 5-cylinder turbo, RS4/RS5/RS6 2.9 V6 biturbo, while the flagship RS Q8 uses a 4.0 V8 biturbo with 600 HP.