BMW 840i vs Mercedes-Benz EQS 450+
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2027 Mercedes-Benz EQS 450+
Overview
| Spec | BMW 840i840i | Mercedes-Benz EQS 450+EQS 450+ |
|---|---|---|
| Selected trim | 840i | EQS 450+ |
| Body style | Sedan | Sedan |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | premium unleaded (recommended) | electric |
| Transmission | 8-speed shiftable automatic | 2-speed automatic |
| Engine type | gas | electric |
| Model year | 2026 | 2027 |
Pricing & market
| Spec | BMW 840i840i | Mercedes-Benz EQS 450+EQS 450+ |
|---|---|---|
| MSRP | $94,500 (best) | $101,450 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | BMW 840i840i | Mercedes-Benz EQS 450+EQS 450+ |
|---|---|---|
| Combined MPG | 24 MPG (best) | — |
| City MPG | 21 MPG (best) | — |
| Highway MPG | 29 MPG (best) | — |
| Battery capacity | — | 122 kWh (best) |
| Fuel tank | 18 gal (best) | — |
Performance
| Spec | BMW 840i840i | Mercedes-Benz EQS 450+EQS 450+ |
|---|---|---|
| Horsepower | 335 hp | 402 hp (best) |
| Torque | 369 lb-ft | 372 lb-ft (best) |
| Engine size | 3 L (best) | — |
| Cylinders | I6 | — |
Size & capability
| Spec | BMW 840i840i | Mercedes-Benz EQS 450+EQS 450+ |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 15.5 cu ft | 63 cu ft (best) |
| Payload | 1,003 lbs (best) | — |
| Curb weight | 4,180 lbs (best) | 5,578 lbs |
| Ground clearance | 4.8 in (best) | — |
| Wheelbase | 119 in | 126.4 in (best) |
| Length | 200.3 in | 207.7 in (best) |
| Width | 76.1 in (best) | 75.8 in |
| Height | 55.4 in | 59.4 in (best) |
Safety & recalls
| Spec | BMW 840i840i | Mercedes-Benz EQS 450+EQS 450+ |
|---|---|---|
| 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 | BMW 840i | Mercedes-Benz EQS 450+ |
|---|---|---|
| 1 | 840i $94,500 MSRP(Currently comparing) | EQS 450+ $101,450 MSRP(Currently comparing) |
| 2 | 840i $94,500 MSRP | — |
| 3 | 840i $104,500 MSRP | — |
BMW 840i vs Mercedes-Benz EQS 450+ FAQ
- Which is better: 2026 BMW 840i or 2027 Mercedes-Benz EQS 450+?
- It depends on priorities. OpenDealer compares 2026 BMW 840i vs 2027 Mercedes-Benz EQS 450+ on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 BMW 840i or 2027 Mercedes-Benz EQS 450+?
- Based on starting MSRP, the 2026 BMW 840i starts lower at $94,500.
- Which has better startingMsrp: 2026 BMW 840i or 2027 Mercedes-Benz EQS 450+?
- The 2026 BMW 840i leads on startingMsrp in this comparison (94,500).
- Which has better combinedMpg: 2026 BMW 840i or 2027 Mercedes-Benz EQS 450+?
- The 2026 BMW 840i leads on combinedMpg in this comparison (24).
- Which has better horsepower: 2026 BMW 840i or 2027 Mercedes-Benz EQS 450+?
- The 2027 Mercedes-Benz EQS 450+ leads on horsepower in this comparison (402).