Audi RS5 vs Mercedes-Benz SL400
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2016 Mercedes-Benz SL400
Overview
| Spec | Audi RS5RS 5 Coupe | Mercedes-Benz SL400SL 400 |
|---|---|---|
| Selected trim | RS 5 Coupe | SL 400 |
| Body style | Coupe | Convertible |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 7-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2024 | 2016 |
Pricing & market
| Spec | Audi RS5RS 5 Coupe | Mercedes-Benz SL400SL 400 |
|---|---|---|
| MSRP | $79,600 (best) | $85,050 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi RS5RS 5 Coupe | Mercedes-Benz SL400SL 400 |
|---|---|---|
| Combined MPG | 21 MPG | 23 MPG (best) |
| City MPG | 18 MPG | 20 MPG (best) |
| Highway MPG | 25 MPG | 27 MPG (best) |
| Fuel tank | 15.3 gal | 19.8 gal (best) |
Performance
| Spec | Audi RS5RS 5 Coupe | Mercedes-Benz SL400SL 400 |
|---|---|---|
| Horsepower | 444 hp (best) | 329 hp |
| Torque | 442 lb-ft (best) | 354 lb-ft |
| Engine size | 2.9 L | 3 L (best) |
| Cylinders | V6 | V6 |
Size & capability
| Spec | Audi RS5RS 5 Coupe | Mercedes-Benz SL400SL 400 |
|---|---|---|
| Seating | 4 seats (best) | 2 seats |
| Doors | 2 | 2 |
| Cargo volume | 10.9 cu ft | 13.5 cu ft (best) |
| Payload | 838 lbs (best) | — |
| Curb weight | 3,990 lbs | 3,836 lbs (best) |
| Wheelbase | 108.9 in (best) | 101.8 in |
| Length | 185.9 in (best) | 181.6 in |
| Width | 73.5 in (best) | — |
| Height | 54 in (best) | 51.8 in |
Safety & recalls
| Spec | Audi RS5RS 5 Coupe | Mercedes-Benz SL400SL 400 |
|---|---|---|
| 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 RS5 | Mercedes-Benz SL400 |
|---|---|---|
| 1 | RS 5 Coupe $79,600 MSRP(Currently comparing) | SL 400 $85,050 MSRP(Currently comparing) |