Audi S8
Maintenance specs for 4 variants of the Audi S8 — from 2001 to 2026.
2001–2003 Audi S8
4.2L V8 (AQH/AVP) · Quattro AWD
360 hp / 317 lb-ft
Transmission
Type5-Speed Tiptronic
FluidVW ATF
Drain & fill4.5 qt
Full capacity9 qt
Power Steering
TypeHydraulic
FluidPentosin CHF 11S
Capacity48 oz
Differentials
Rear fluidVW G 052 145
Rear capacity2 qt
Fuel
Tank23.8 gal
TypePremium 91
Service Intervals
Oil change5,000 mi
Trans service40,000 mi
Coolant flush50,000 mi
Brake fluid20,000 mi
Spark plugs40,000 mi
Timingchain (no scheduled replacement)
Air filter40,000 mi
Cabin filter20,000 mi
Drive belt80,000 mi
2007–2009 Audi S8
5.2L V10 (BSM) · Quattro AWD
450 hp / 398 lb-ft
Transmission
Type6-Speed Tiptronic
FluidVW ATF G 055 025
Drain & fill5 qt
Full capacity9.5 qt
Power Steering
TypeHydraulic
FluidPentosin CHF 11S
Capacity48 oz
Differentials
Rear fluidVW G 052 145
Rear capacity2 qt
Fuel
Tank23.8 gal
TypePremium 91
Service Intervals
Oil change5,000 mi
Trans service40,000 mi
Coolant flush50,000 mi
Brake fluid20,000 mi
Spark plugs40,000 mi
Timingchain (no scheduled replacement)
Air filter40,000 mi
Cabin filter20,000 mi
Drive belt80,000 mi
2013–2018 Audi S8
4.0L Twin-Turbo V8 (EA824/CTFA) · Quattro AWD
520 hp / 481 lb-ft
Transmission
Type8-Speed Tiptronic (ZF 8HP)
FluidZF Lifeguard Fluid 8
Drain & fill4.5 qt
Full capacity9.5 qt
Power Steering
TypeElectric (no fluid)
Differentials
Rear fluidVW G 052 145
Rear capacity2 qt
Fuel
Tank23.8 gal
TypePremium 91
Service Intervals
Oil change5,000 mi
Trans service40,000 mi
Coolant flush50,000 mi
Brake fluid20,000 mi
Spark plugs40,000 mi
Timingchain (no scheduled replacement)
Air filter40,000 mi
Cabin filter20,000 mi
Drive belt80,000 mi
2020–2026 Audi S8
4.0L Twin-Turbo V8 (MHEV 48V) (EA825/DCTA) · Quattro AWD
563 hp / 590 lb-ft
Transmission
Type8-Speed Tiptronic (ZF 8HP)
FluidZF Lifeguard Fluid 8
Drain & fill4.5 qt
Full capacity9.5 qt
Power Steering
TypeElectric (no fluid)
Differentials
Rear fluidVW G 052 145
Rear capacity2 qt
Fuel
Tank23.7 gal
TypePremium 91
Service Intervals
Oil change5,000 mi
Trans service40,000 mi
Coolant flush50,000 mi
Brake fluid20,000 mi
Spark plugs40,000 mi
Timingchain (no scheduled replacement)
Air filter40,000 mi
Cabin filter20,000 mi
Drive belt80,000 mi