Audi RS7 vs Mercedes-Benz S550
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2017 Mercedes-Benz S550
Overview
| Spec | Audi RS7quattro | Mercedes-Benz S550S 550 |
|---|---|---|
| Selected trim | quattro | S 550 |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2018 | 2017 |
Pricing & market
| Spec | Audi RS7quattro | Mercedes-Benz S550S 550 |
|---|---|---|
| MSRP | $113,900 | $96,600 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi RS7quattro | Mercedes-Benz S550S 550 |
|---|---|---|
| Combined MPG | 17 MPG | 21 MPG (best) |
| City MPG | 14 MPG | 18 MPG (best) |
| Highway MPG | 24 MPG | 26 MPG (best) |
| Fuel tank | 19.8 gal | 23 gal (best) |
Performance
| Spec | Audi RS7quattro | Mercedes-Benz S550S 550 |
|---|---|---|
| Horsepower | 560 hp (best) | 449 hp |
| Torque | 516 lb-ft | 516 lb-ft |
| Engine size | 4 L | 4.7 L (best) |
| Cylinders | V8 | V8 |
Size & capability
| Spec | Audi RS7quattro | Mercedes-Benz S550S 550 |
|---|---|---|
| Seating | 4 seats | 5 seats (best) |
| Doors | 4 | 4 |
| Cargo volume | 24.5 cu ft (best) | 16.3 cu ft |
| Curb weight | 4,497 lbs (best) | 4,663 lbs |
| Wheelbase | 114.8 in | 124.6 in (best) |
| Length | 197.3 in | 206.5 in (best) |
| Width | 75.2 in (best) | — |
| Height | 55.8 in | 58.7 in (best) |
Safety & recalls
| Spec | Audi RS7quattro | Mercedes-Benz S550S 550 |
|---|---|---|
| Open recalls (YMM scope) | None reported (best) | 10 |
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 RS7 | Mercedes-Benz S550 |
|---|---|---|
| 1 | quattro $113,900 MSRP(Currently comparing) | S 550 $96,600 MSRP(Currently comparing) |
| 2 | performance quattro $130,700 MSRP | S 550 $131,400 MSRP |
| 3 | — | S 550 4MATIC $99,600 MSRP |
| 4 | — | S 550 4MATIC $122,750 MSRP |
| 5 | — | AMG S 63 4MATIC $164,750 MSRP |
Audi RS7 vs Mercedes-Benz S550 FAQ
- Which is better: 2018 Audi RS7 or 2017 Mercedes-Benz S550?
- It depends on priorities. OpenDealer compares 2018 Audi RS7 vs 2017 Mercedes-Benz S550 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2018 Audi RS7 or 2017 Mercedes-Benz S550?
- Based on starting MSRP, the 2017 Mercedes-Benz S550 starts lower at $96,600.
- Which has better startingMsrp: 2018 Audi RS7 or 2017 Mercedes-Benz S550?
- The 2017 Mercedes-Benz S550 leads on startingMsrp in this comparison (96,600).
- Which has better combinedMpg: 2018 Audi RS7 or 2017 Mercedes-Benz S550?
- The 2017 Mercedes-Benz S550 leads on combinedMpg in this comparison (21).
- Which has better horsepower: 2018 Audi RS7 or 2017 Mercedes-Benz S550?
- The 2018 Audi RS7 leads on horsepower in this comparison (605).
- Which has better seats: 2018 Audi RS7 or 2017 Mercedes-Benz S550?
- The 2017 Mercedes-Benz S550 leads on seats in this comparison (5).