BMW 740i xDrive vs Mercedes-Benz S450
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2020 Mercedes-Benz S450
Overview
| Spec | BMW 740i xDrive740i xDrive | Mercedes-Benz S450S 450 |
|---|---|---|
| Selected trim | 740i xDrive | S 450 |
| 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 | mild hybrid | gas |
| Model year | 2026 | 2020 |
Pricing & market
| Spec | BMW 740i xDrive740i xDrive | Mercedes-Benz S450S 450 |
|---|---|---|
| MSRP | $102,300 | $94,250 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | BMW 740i xDrive740i xDrive | Mercedes-Benz S450S 450 |
|---|---|---|
| Combined MPG | 27 MPG (best) | 22 MPG |
| City MPG | 24 MPG (best) | 19 MPG |
| Highway MPG | 31 MPG (best) | 28 MPG |
| Fuel tank | 19.5 gal | 21.1 gal (best) |
Performance
| Spec | BMW 740i xDrive740i xDrive | Mercedes-Benz S450S 450 |
|---|---|---|
| Horsepower | 375 hp (best) | 362 hp |
| Torque | 398 lb-ft (best) | 369 lb-ft |
| Engine size | 3 L | 3 L |
| Cylinders | I6 | V6 |
Size & capability
| Spec | BMW 740i xDrive740i xDrive | Mercedes-Benz S450S 450 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 19.1 cu ft (best) | 18.7 cu ft |
| Curb weight | 4,855 lbs | 4,542 lbs (best) |
| Ground clearance | 5.8 in (best) | 5 in |
| Wheelbase | 126.6 in (best) | 124.6 in |
| Length | 212.2 in (best) | 206.9 in |
| Width | 76.8 in (best) | 74.8 in |
| Height | 60.8 in (best) | 58.9 in |
Safety & recalls
| Spec | BMW 740i xDrive740i xDrive | Mercedes-Benz S450S 450 |
|---|---|---|
| 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 | BMW 740i xDrive | Mercedes-Benz S450 |
|---|---|---|
| 1 | 740i xDrive $102,300 MSRP(Currently comparing) | S 450 $94,250 MSRP(Currently comparing) |
| 2 | — | S 450 4MATIC $97,250 MSRP |