A8 – D3 2003
Engine	Original Power	Stage 1	Difference	Vmax
3.7i	206 kW (280 hp) 360Nm	220 kW (300 hp) 380Nm	20 hp	✓
4.2i V8 40v	246 kW (335 hp) 430Nm	261 kW (355 hp) 445Nm	20 hp	✓
4.2 V8 FSI	257 kW (350 hp) 440Nm	272 kW (370 hp) 465Nm	20 hp	✓
3.0 TDI	171 kW (233 hp) 450Nm	202 kW (275 hp) 540Nm	42 hp	✓
4.0 TDI	202 kW (275 hp) 650Nm	242 kW (330 hp) 770Nm	55 hp	✓
4.2 TDI	240 kW (326 hp) 650Nm	276 kW (375 hp) 770Nm	59 hp	✓