Audi RS Q8 vs Mercedes-Benz G550
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz G550
Overview
| Spec | Audi RS Q8Performance | Mercedes-Benz G550G 550 |
|---|---|---|
| Selected trim | Performance | G 550 |
| Body style | SUV | SUV |
| Drivetrain | all wheel drive | four wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | mild hybrid | mild hybrid |
| Model year | 2027 | 2026 |
Pricing & market
| Spec | Audi RS Q8Performance | Mercedes-Benz G550G 550 |
|---|---|---|
| MSRP | $139,700 (best) | $153,900 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi RS Q8Performance | Mercedes-Benz G550G 550 |
|---|---|---|
| Combined MPG | 16 MPG | 18 MPG (best) |
| City MPG | 14 MPG | 17 MPG (best) |
| Highway MPG | 20 MPG (best) | 19 MPG |
| Fuel tank | 22.5 gal | 26.4 gal (best) |
Performance
| Spec | Audi RS Q8Performance | Mercedes-Benz G550G 550 |
|---|---|---|
| Horsepower | 631 hp (best) | 443 hp |
| Torque | 627 lb-ft (best) | 413 lb-ft |
| Engine size | 4 L (best) | 3 L |
| Cylinders | V8 | I6 |
Size & capability
| Spec | Audi RS Q8Performance | Mercedes-Benz G550G 550 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 60 cu ft (best) | 34.8 cu ft |
| Towing capacity | 7,700 lbs (best) | 7,000 lbs |
| Payload | 1,069 lbs (best) | — |
| Curb weight | 5,368 lbs (best) | 5,534 lbs |
| Ground clearance | — | 9.5 in (best) |
| Wheelbase | 117.9 in (best) | 113.8 in |
| Length | 197.7 in (best) | 190 in |
| Width | 79 in (best) | 76 in |
| Height | 67.5 in | 77.7 in (best) |
Safety & recalls
| Spec | Audi RS Q8Performance | Mercedes-Benz G550G 550 |
|---|---|---|
| Open recalls (YMM scope) | None reported | None reported |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | Audi RS Q8 | Mercedes-Benz G550 |
|---|---|---|
| 1 | Performance $139,700 MSRP(Currently comparing) | G 550 $153,900 MSRP(Currently comparing) |
Audi RS Q8 vs Mercedes-Benz G550 FAQ
- Which is better: 2027 Audi RS Q8 or 2026 Mercedes-Benz G550?
- It depends on priorities. OpenDealer compares 2027 Audi RS Q8 vs 2026 Mercedes-Benz G550 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2027 Audi RS Q8 or 2026 Mercedes-Benz G550?
- Based on starting MSRP, the 2027 Audi RS Q8 starts lower at $139,700.
- Which has better startingMsrp: 2027 Audi RS Q8 or 2026 Mercedes-Benz G550?
- The 2027 Audi RS Q8 leads on startingMsrp in this comparison (139,700).
- Which has better combinedMpg: 2027 Audi RS Q8 or 2026 Mercedes-Benz G550?
- The 2026 Mercedes-Benz G550 leads on combinedMpg in this comparison (18).
- Which has better horsepower: 2027 Audi RS Q8 or 2026 Mercedes-Benz G550?
- The 2027 Audi RS Q8 leads on horsepower in this comparison (631).
- Which has better maxTowingLbs: 2027 Audi RS Q8 or 2026 Mercedes-Benz G550?
- The 2027 Audi RS Q8 leads on maxTowingLbs in this comparison (7,700).