2021 Mazda 6 vs 2020 Kia Optima
📊 Key Differences
- Fuel economy: 29 MPG vs 42 MPG combined — Kia Optima is more efficient
- Annual fuel cost: $2050 vs $1400 — Kia Optima saves $ per year
- Fuel type: Regular Gasoline vs Regular Gasoline
| Specification | 2021 Mazda 6 | 2020 Kia Optima |
|---|---|---|
| Year | 2021 | 2020 |
| Class | Midsize Cars | Midsize Cars |
| Fuel Type | Regular Gasoline | Regular Gasoline |
| Drive | Front-Wheel Drive | Front-Wheel Drive |
| Transmission | Automatic (S6) | Automatic (AM6) |
| Cylinders | 4 | 4 |
| Displacement (L) | 2.5 | 2.0 |
| City MPG | 26 | 40 |
| Highway MPG | 35 | 45 |
| Combined MPG | 29 | 42 |
| Annual Fuel Cost | $2050 | $1400 |
| CO₂ (g/mile) | 302.0 | 213.0 |
| EPA Fuel Economy Score | 6/10 | 9/10 |
| EPA GHG Score | 6/10 | 9/10 |
| Overall Safety | — | 5/5 ★ |
| Frontal Crash | — | 5/5 |
| Side Crash | — | 5/5 |
| Rollover | — | 5/5 |
🚗 2021 Mazda 6
Midsize Cars with 29 MPG combined fuel economy. Runs on Regular Gasoline. Front-Wheel Drive drivetrain.
Full Mazda 6 Profile →🚗 2020 Kia Optima
Midsize Cars with 42 MPG combined fuel economy. Runs on Regular Gasoline. Front-Wheel Drive drivetrain.
Full Kia Optima Profile →🔗 Related