Comparisons · 2026

2026 Audi A6 Allroad quattro vs 2026 BMW M5 Touring

The 2026 Audi A6 Allroad quattro uses less fuel: 9.8 against 18.1 l/100km, about 46% less. At today's US fuel prices the 2026 Audi A6 Allroad quattro costs about $8,979 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 A6 Allroad quattro9.8 l/100km
2026 BMW M5 Touring18.1 l/100km
CO2 emissions
2026 Audi A6 Allroad quattro226.8 g/km
2026 BMW M5 Touring188.9 g/km
Kerb weight
2026 Audi A6 Allroad quattro2,115.1 kg
2026 BMW M5 Touring2,505.2 kg
NHTSA recalls
2026 Audi A6 Allroad quattro1
2026 BMW M5 Touring1

Side by side

The better figure is highlighted where one is clearly better.

Specification2026 Audi A6 Allroad quattro2026 BMW M5 Touring
CO2226.8 g/km188.9 g/km
Combined9.8 l/100km18.1 l/100km
ConfigurationHybridPlug-in Hybrid
Cylinders68
Displacement3,000 cc4,400 cc
DriveAll-Wheel DriveAll-Wheel Drive
Emission standardL4ULEV70L4ULEV70
Extra-urban7.8 l/100km13.8 l/100km
FuelPremium GasolinePremium Gasoline
Gears78
Gross weight2,585 kg3,050 kg
Kerb weight2,115.1 kg2,505.2 kg
Recall campaigns11
TransmissionAutomatic (AM-S7)Automatic (S8)
Urban11.2 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.