2011 Cadillac STS vs 2020 Kia Optima
📊 Key Differences
- Fuel economy: 21 MPG vs 42 MPG combined — Kia Optima is more efficient
- Annual fuel cost: $2850 vs $1400 — Kia Optima saves $ per year
- Fuel type: Regular Gasoline vs Regular Gasoline
| Specification | 2011 Cadillac STS | 2020 Kia Optima |
|---|---|---|
| Year | 2011 | 2020 |
| Class | Midsize Cars | Midsize Cars |
| Fuel Type | Regular Gasoline | Regular Gasoline |
| Drive | Rear-Wheel Drive | Front-Wheel Drive |
| Transmission | Automatic (S6) | Automatic (AM6) |
| Cylinders | 6 | 4 |
| Displacement (L) | 3.6 | 2.0 |
| City MPG | 18 | 40 |
| Highway MPG | 27 | 45 |
| Combined MPG | 21 | 42 |
| Annual Fuel Cost | $2850 | $1400 |
| CO₂ (g/mile) | 423.1904761904762 | 213.0 |
| EPA Fuel Economy Score | —/10 | 9/10 |
| EPA GHG Score | —/10 | 9/10 |
| Overall Safety | — | 5/5 ★ |
| Frontal Crash | — | 5/5 |
| Side Crash | — | 5/5 |
| Rollover | — | 5/5 |
🚗 2011 Cadillac STS
Midsize Cars with 21 MPG combined fuel economy. Runs on Regular Gasoline. Rear-Wheel Drive drivetrain.
Full Cadillac STS 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