2026 Mercedes-Benz GLS580 4matic vs 2027 Ram 1500 Warlock 4WD
| EPA figure | 2026 Mercedes-Benz GLS580 4matic | 2027 Ram 1500 Warlock 4WD |
|---|---|---|
| Model year | 2026 | 2027 |
| Body · drive | SUV · All-Wheel Drive · Hybrid | Pickup · 4-Wheel Drive · Hybrid |
| Combined MPG | 16 | 17 |
| City / highway MPG | 14 / 20 | 17 / 18 |
| Fuel a year | $5,150 | $3,950 |
| Tailpipe CO₂ (g/mi) | 539 | 512 |
| Engine | 4.0 L 8-cyl turbo | 3.6 L 6-cyl |
| Transmission | Automatic 9-spd | Automatic 8-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.