From fuel-efficient large SUVs
Alternatives to the 2026 BMW X6 M Competition
The cars next to it on fuel-efficient large SUVs: the same kind of car, with official EPA figures close to its own. Open any of them for its window sticker, or put two side by side.
- 458
2025 Mercedes-Benz AMG GLS63 4matic Plus
SUV · All-Wheel Drive · Hybrid
Hybrid 4.0 L 8-cyl turbo 14 city · 18 hwyCombined MPG· $5,500 fuel a year15 MPG$5,500fuel a year - 459
2026 Mercedes-Benz GLS600 4matic Maybach
SUV · All-Wheel Drive · Hybrid
Hybrid 4.0 L 8-cyl turbo 13 city · 18 hwyCombined MPG· $5,500 fuel a year15 MPG$5,500fuel a year - 460
2025 Mercedes-Benz GLS600 4matic Maybach
SUV · All-Wheel Drive · Hybrid
Hybrid 4.0 L 8-cyl turbo 13 city · 18 hwyCombined MPG· $5,500 fuel a year15 MPG$5,500fuel a year - 461
Combined MPG· $5,500 fuel a year15 MPG$5,500fuel a year - 462
Combined MPG· $5,500 fuel a year15 MPG$5,500fuel a year - 463 Combined MPG· $5,500 fuel a year15 MPG$5,500fuel a year
- 465 Combined MPG· $5,500 fuel a year15 MPG$5,500fuel a year
- 466
Combined MPG· $4,450 fuel a year15 MPG$4,450fuel a year - 467 Combined MPG· $4,450 fuel a year15 MPG$4,450fuel a year
- 468
Combined MPG· $5,500 fuel a year15 MPG$5,500fuel a year - 469 Combined MPG· $5,500 fuel a year15 MPG$5,500fuel a year
- 470 Combined MPG· $5,500 fuel a year15 MPG$5,500fuel a year