BMW M340i vs Mercedes-Benz E350
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2027 Mercedes-Benz E350
Overview
| Spec | BMW M340iM340i | Mercedes-Benz E350E 350 |
|---|---|---|
| Selected trim | M340i | E 350 |
| Body style | Sedan | Sedan |
| Drivetrain | rear 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 | mild hybrid |
| Model year | 2026 | 2027 |
Pricing & market
| Spec | BMW M340iM340i | Mercedes-Benz E350E 350 |
|---|---|---|
| MSRP | $61,700 (best) | $65,200 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | BMW M340iM340i | Mercedes-Benz E350E 350 |
|---|---|---|
| Combined MPG | 29 MPG (best) | 28 MPG |
| City MPG | 27 MPG (best) | 25 MPG |
| Highway MPG | 33 MPG | 33 MPG |
| Fuel tank | 15.6 gal | 17.4 gal (best) |
Performance
| Spec | BMW M340iM340i | Mercedes-Benz E350E 350 |
|---|---|---|
| Horsepower | 386 hp (best) | 255 hp |
| Torque | 398 lb-ft (best) | 295 lb-ft |
| Engine size | 3 L (best) | 2 L |
| Cylinders | I6 | I4 |
Size & capability
| Spec | BMW M340iM340i | Mercedes-Benz E350E 350 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 16.9 cu ft (best) | 12.7 cu ft |
| Curb weight | 3,896 lbs (best) | 4,134 lbs |
| Ground clearance | 5.3 in (best) | — |
| Wheelbase | 112.2 in | 116.6 in (best) |
| Length | 185.9 in | 194.9 in (best) |
| Width | 71.9 in | 74 in (best) |
| Height | 56.4 in | 57.9 in (best) |
Safety & recalls
| Spec | BMW M340iM340i | Mercedes-Benz E350E 350 |
|---|---|---|
| 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 M340i | Mercedes-Benz E350 |
|---|---|---|
| 1 | M340i $61,700 MSRP(Currently comparing) | E 350 $65,200 MSRP(Currently comparing) |
| 2 | — | E 350 4MATIC $67,700 MSRP |
BMW M340i vs Mercedes-Benz E350 FAQ
- Which is better: 2026 BMW M340i or 2027 Mercedes-Benz E350?
- It depends on priorities. OpenDealer compares 2026 BMW M340i vs 2027 Mercedes-Benz E350 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 M340i or 2027 Mercedes-Benz E350?
- Based on starting MSRP, the 2026 BMW M340i starts lower at $61,700.
- Which has better startingMsrp: 2026 BMW M340i or 2027 Mercedes-Benz E350?
- The 2026 BMW M340i leads on startingMsrp in this comparison (61,700).
- Which has better combinedMpg: 2026 BMW M340i or 2027 Mercedes-Benz E350?
- The 2026 BMW M340i leads on combinedMpg in this comparison (29).
- Which has better horsepower: 2026 BMW M340i or 2027 Mercedes-Benz E350?
- The 2026 BMW M340i leads on horsepower in this comparison (386).