Comparisons · 2026

2026 Audi RS 6 Avant vs 2026 BMW M5 Touring

The 2026 Audi RS 6 Avant uses less fuel: 14.7 against 18.1 l/100km, about 19% less. At today's US fuel prices the 2026 Audi RS 6 Avant costs about $3,678 less to fuel over five years at 15,000 km a year.

Level on the measurable figures compared below. 15 specifications compared.

Key figures

Combined fuel consumption
2026 Audi RS 6 Avant14.7 l/100km
2026 BMW M5 Touring18.1 l/100km
CO2 emissions
2026 Audi RS 6 Avant338.6 g/km
2026 BMW M5 Touring188.9 g/km
Kerb weight
2026 Audi RS 6 Avant2,505.2 kg
2026 BMW M5 Touring2,505.2 kg
NHTSA recalls
2026 Audi RS 6 Avant1
2026 BMW M5 Touring1

Side by side

The better figure is highlighted where one is clearly better.

Specification2026 Audi RS 6 Avant2026 BMW M5 Touring
CO2338.6 g/km188.9 g/km
Combined14.7 l/100km18.1 l/100km
ConfigurationHybridPlug-in Hybrid
Cylinders88
Displacement4,000 cc4,400 cc
DriveAll-Wheel DriveAll-Wheel Drive
Emission standardL4ULEV125L4ULEV70
Extra-urban11.2 l/100km13.8 l/100km
FuelPremium GasolinePremium Gasoline
Gears88
Gross weight3,015 kg3,050 kg
Kerb weight2,505.2 kg2,505.2 kg
Recall campaigns11
TransmissionAutomatic (S8)Automatic (S8)
Urban16.8 l/100km21.4 l/100km

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How this comparison works

Only genuine rivals are compared: same model year, same EPA size class, same drivetrain, similar weight and power, and both mainstream or both premium brands. Figures come from FuelEconomy.gov, EPA and NHTSA; fuel costs use current US prices from the Energy Information Administration.