Acura RLX vs Mercedes-Benz E400
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2018 Mercedes-Benz E400
Overview
| Spec | Acura RLXP-AWS | Mercedes-Benz E400E 400 |
|---|---|---|
| Selected trim | P-AWS | E 400 |
| Body style | Sedan | Coupe |
| Drivetrain | front wheel drive | rear wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 10-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2020 | 2018 |
Pricing & market
| Spec | Acura RLXP-AWS | Mercedes-Benz E400E 400 |
|---|---|---|
| MSRP | $54,900 (best) | $58,900 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Acura RLXP-AWS | Mercedes-Benz E400E 400 |
|---|---|---|
| Combined MPG | 23 MPG (best) | 22 MPG |
| City MPG | 20 MPG | 20 MPG |
| Highway MPG | 29 MPG (best) | 26 MPG |
| Fuel tank | 18.5 gal (best) | 17.4 gal |
Performance
| Spec | Acura RLXP-AWS | Mercedes-Benz E400E 400 |
|---|---|---|
| Horsepower | 310 hp | 329 hp (best) |
| Torque | 272 lb-ft | 354 lb-ft (best) |
| Engine size | 3.5 L (best) | 3 L |
| Cylinders | V6 | V6 |
Size & capability
| Spec | Acura RLXP-AWS | Mercedes-Benz E400E 400 |
|---|---|---|
| Seating | 5 seats (best) | 4 seats |
| Doors | 4 (best) | 2 |
| Cargo volume | 14.9 cu ft (best) | — |
| Curb weight | 3,977 lbs (best) | — |
| Ground clearance | 4.5 in (best) | — |
| Wheelbase | 112.2 in | 113.1 in (best) |
| Length | 198.1 in (best) | 190 in |
| Width | 74.4 in (best) | — |
| Height | 57.7 in (best) | 56.3 in |
Safety & recalls
| Spec | Acura RLXP-AWS | Mercedes-Benz E400E 400 |
|---|---|---|
| NHTSA overall | 5 / 5 ★ (best) | — |
| Frontal crash (driver) | 5 / 5 ★ (best) | — |
| Frontal crash (passenger) | 5 / 5 ★ (best) | — |
| Side crash (driver) | 5 / 5 ★ (best) | — |
| Side crash (passenger) | 5 / 5 ★ (best) | — |
| Side pole | 5 / 5 ★ (best) | — |
| Rollover | 5 / 5 ★ (best) | — |
| 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 | Acura RLX | Mercedes-Benz E400 |
|---|---|---|
| 1 | P-AWS $54,900 MSRP(Currently comparing) | E 400 $58,900 MSRP(Currently comparing) |
| 2 | Sport Hybrid SH-AWD $61,900 MSRP | E 400 $66,300 MSRP |
| 3 | — | E 400 Luxury 4MATIC $58,900 MSRP |
| 4 | — | E 400 Luxury 4MATIC $63,050 MSRP |
| 5 | — | E 400 Sport 4MATIC $58,900 MSRP |
| 6 | — | E 400 Sport 4MATIC $63,050 MSRP |
| 7 | — | E 400 AMG Line 4MATIC $59,400 MSRP |
| 8 | — | E 400 AMG Line 4MATIC $63,550 MSRP |
| 9 | — | E 400 4MATIC $61,400 MSRP |
| 10 | — | E 400 4MATIC $68,800 MSRP |