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2027 Audi S8 vs 2021 Mazda 6

📊 Key Differences
  • Fuel economy: 18 MPG vs 29 MPG combined — Mazda 6 is more efficient
  • Annual fuel cost: $4550 vs $2050 — Mazda 6 saves $ per year
  • Fuel type: Premium Gasoline vs Regular Gasoline
Specification 2027 Audi S8 2021 Mazda 6
Year20272021
ClassLarge CarsMidsize Cars
Fuel TypePremium GasolineRegular Gasoline
DriveAll-Wheel DriveFront-Wheel Drive
TransmissionAutomatic (S8)Automatic (S6)
Cylinders84
Displacement (L)4.02.5
City MPG1526
Highway MPG2435
Combined MPG1829
Annual Fuel Cost$4550$2050
CO₂ (g/mile)502.0302.0
EPA Fuel Economy Score3/106/10
EPA GHG Score3/106/10
🚗 2027 Audi S8

Large Cars with 18 MPG combined fuel economy. Runs on Premium Gasoline. All-Wheel Drive drivetrain.

Full Audi S8 Profile →
🚗 2021 Mazda 6

Midsize Cars with 29 MPG combined fuel economy. Runs on Regular Gasoline. Front-Wheel Drive drivetrain.

Full Mazda 6 Profile →