A6 – C8
Engine	Original Power	Stage 1	Difference	Vmax
45 TFSI (2.0)	180 kW (245 hp) 370Nm	221 kW (300 hp) 440Nm	55 hp	✓
55 TFSI (3.0)	250 kW (340 hp) 500Nm	287 kW (390 hp) 600Nm	50 hp	✓
40 TDI (2.0)	105 kW (204 hp) 400Nm	184 kW (250 hp) 480Nm	46 hp	✓
45 TDI (3.0)	170 kW (231 hp) 500Nm	221 kW (300 hp) 600Nm	69 hp	✓
50 TDI (3.0)	210 kW (286 hp) 620Nm	265 kW (360 hp) 720Nm	74 hp	✓