Audi S7 vs Mercedes-Benz CLS550
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2018 Mercedes-Benz CLS550
Overview
| Spec | Audi S7Premium Plus quattro | Mercedes-Benz CLS550CLS 550 |
|---|---|---|
| Selected trim | Premium Plus quattro | CLS 550 |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 7-speed automated manual | 9-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2018 | 2018 |
Pricing & market
| Spec | Audi S7Premium Plus quattro | Mercedes-Benz CLS550CLS 550 |
|---|---|---|
| MSRP | $81,200 | $75,150 (best) |
| Lowest listing price | $61,960 (best) | — |
| Median listing price | $61,960 (best) | — |
| Highest listing price | $61,960 (best) | — |
| For sale now | 1 (best) | 0 |
Fuel economy & range
| Spec | Audi S7Premium Plus quattro | Mercedes-Benz CLS550CLS 550 |
|---|---|---|
| Combined MPG | 18 MPG | 21 MPG (best) |
| City MPG | 16 MPG | 18 MPG (best) |
| Highway MPG | 24 MPG | 26 MPG (best) |
| Fuel tank | 19.8 gal | 21.1 gal (best) |
Performance
| Spec | Audi S7Premium Plus quattro | Mercedes-Benz CLS550CLS 550 |
|---|---|---|
| Horsepower | 450 hp (best) | 402 hp |
| Torque | 406 lb-ft | 443 lb-ft (best) |
| Engine size | 4 L | 4.7 L (best) |
| Cylinders | V8 | V8 |
Size & capability
| Spec | Audi S7Premium Plus quattro | Mercedes-Benz CLS550CLS 550 |
|---|---|---|
| Seating | 4 seats | 4 seats |
| Doors | 4 | 4 |
| Cargo volume | 24.5 cu ft (best) | 11 cu ft |
| Curb weight | 4,486 lbs | 4,233 lbs (best) |
| Wheelbase | 114.8 in (best) | 113.2 in |
| Length | 196.3 in (best) | 194.5 in |
| Height | 55 in | 55.8 in (best) |
Safety & recalls
| Spec | Audi S7Premium Plus quattro | Mercedes-Benz CLS550CLS 550 |
|---|---|---|
| Open recalls (YMM scope) | 1 | None reported (best) |
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 S7 | Mercedes-Benz CLS550 |
|---|---|---|
| 1 | Premium Plus quattro $81,200 MSRP(Currently comparing) | CLS 550 $75,150 MSRP(Currently comparing) |
| 2 | Prestige quattro $83,150 MSRP | CLS 550 4MATIC $77,650 MSRP |
Live inventory
Audi S7 vs Mercedes-Benz CLS550 FAQ
- Which is better: 2018 Audi S7 or 2018 Mercedes-Benz CLS550?
- It depends on priorities. OpenDealer compares 2018 Audi S7 vs 2018 Mercedes-Benz CLS550 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 S7 or 2018 Mercedes-Benz CLS550?
- Based on starting MSRP, the 2018 Mercedes-Benz CLS550 starts lower at $75,150. Live Audi S7 listings start at $61,960.
- Which has better startingMsrp: 2018 Audi S7 or 2018 Mercedes-Benz CLS550?
- The 2018 Mercedes-Benz CLS550 leads on startingMsrp in this comparison (75,150).
- Which has better combinedMpg: 2018 Audi S7 or 2018 Mercedes-Benz CLS550?
- The 2018 Mercedes-Benz CLS550 leads on combinedMpg in this comparison (21).
- Which has better horsepower: 2018 Audi S7 or 2018 Mercedes-Benz CLS550?
- The 2018 Audi S7 leads on horsepower in this comparison (450).