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2026 Audi A8 vs 2020 Kia Optima

📊 Key Differences
  • Fuel economy: 22 MPG vs 42 MPG combined — Kia Optima is more efficient
  • Annual fuel cost: $3700 vs $1400 — Kia Optima saves $ per year
  • Fuel type: Premium Gasoline vs Regular Gasoline
Specification 2026 Audi A8 2020 Kia Optima
Year20262020
ClassLarge CarsMidsize Cars
Fuel TypePremium GasolineRegular Gasoline
DriveAll-Wheel DriveFront-Wheel Drive
TransmissionAutomatic (S8)Automatic (AM6)
Cylinders64
Displacement (L)3.02.0
City MPG1940
Highway MPG2745
Combined MPG2242
Annual Fuel Cost$3700$1400
CO₂ (g/mile)414.0213.0
EPA Fuel Economy Score4/109/10
EPA GHG Score4/109/10
Overall Safety5/5 ★
Frontal Crash5/5
Side Crash5/5
Rollover5/5
🚗 2026 Audi A8

Large Cars with 22 MPG combined fuel economy. Runs on Premium Gasoline. All-Wheel Drive drivetrain.

Full Audi A8 Profile →
🚗 2020 Kia Optima

Midsize Cars with 42 MPG combined fuel economy. Runs on Regular Gasoline. Front-Wheel Drive drivetrain.

Full Kia Optima Profile →