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Compare
Compare 2–4 cars side by side. Every figure is sourced; the best value in each comparable row is marked.
| Specification | Mercedes-Benz2026 Mercedes-Benz E 450 4MATIC Sedan | BMW2025 BMW M340i xDrive |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 130 mphTieManufacturer claim · Mercedes-Benz USA | 130 mphTieManufacturer claim · BMW |
| Power-to-weight ratioHigher is betterCalculated from peak power and curb weight — figures quoted against a different weight basis (e.g. dry or DIN) will differ. | 188.9 hp/tCalculated | 212.3 hp/tBestCalculated |
| Lateral accelerationHigher is betterSkidpad radius and surface affect results. | 0.93 gIndependent test · Car and Driver | 0.95 gBestIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.40 sManufacturer claim · Mercedes-Benz USA | 4.10 sBestManufacturer claim · BMW |
| 0–100 km/h | 4.50 sManufacturer claim · Mercedes-Benz USA | — |
| 0–100 mphLower is better | 10.90 sIndependent test · Car and Driver | 9.50 sBestIndependent test · Car and Driver |
| Braking | ||
| 70–0 mph braking distanceLower is better | 159.0 ftIndependent test · Car and Driver | 157.0 ftBestIndependent test · Car and Driver |
| 100–0 mph braking distanceLower is better | 327.0 ftIndependent test · Car and Driver | 310.0 ftBestIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 375 hpManufacturer claim · Mercedes-Benz USA | 386 hpBestManufacturer claim · BMW |
| Peak torqueHigher is better | 369 lb-ftManufacturer claim · Mercedes-Benz USA | 398 lb-ftBestManufacturer claim · BMW |
| Engine displacement | 3000.0 ccManufacturer claim · Mercedes-Benz USA | 2998.0 ccManufacturer claim · BMW |
| Cylinder count | 6Manufacturer claim · Mercedes-Benz USA | 6Manufacturer claim · BMW |
| Engine layout | Inline-6Manufacturer claim · Mercedes-Benz USA | Inline-6Manufacturer claim · BMW |
| Engine placement | — | |
| Dimensions | ||
| Length | 195 inManufacturer claim · Mercedes-Benz USA | 186 inManufacturer claim · BMW |
| Width | 74 inManufacturer claim · Mercedes-Benz USA | 72 inManufacturer claim · BMW |
| Height | 58 inManufacturer claim · Mercedes-Benz USA | 57 inManufacturer claim · BMW |
| Wheelbase | 117 inManufacturer claim · Mercedes-Benz USA | 112 inManufacturer claim · BMW |
| Ground clearance | — | 5 inManufacturer claim · BMW |
| Weight | ||
| Curb weightLower is better | 4376 lbManufacturer claim · Mercedes-Benz USA | 4008 lbBestManufacturer claim · BMW |
| Fuel Economy | ||
| Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 29.0 mpgHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 23.0 mpgManufacturer claim · Mercedes-Benz USA | 26.0 mpgBestHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 33.0 mpgTieManufacturer claim · Mercedes-Benz USA | 33.0 mpgTieHomologation · US EPA |
| Fuel tank capacity | 17.4 galManufacturer claim · Mercedes-Benz USA | 15.6 galManufacturer claim · BMW |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | — | |
| Practicality | ||
| Cargo volumeHigher is better | 13 ft³Manufacturer claim · Mercedes-Benz USA | 17 ft³BestManufacturer claim · BMW |
| Seats | 5Manufacturer claim · Mercedes-Benz USA | 5Independent test · Wikipedia |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $72,300Manufacturer claim · Mercedes-Benz USA | $62,200Homologation · US EPA |
| Tires & Wheels | ||
| Front tire size | 225/55R18Manufacturer claim · Mercedes-Benz USA | 225/40 R19Manufacturer claim · BMW |
| Rear tire size | 225/55R18Manufacturer claim · Mercedes-Benz USA | 225/40 R19Manufacturer claim · BMW |
Every figure is the car’s preferred, sourced value. “Best” marks the strongest value in a row, judged on the canonical measurement (so a winner is correct whichever unit system you view). Open a car to see each value’s source, original units, and alternates.
Community index
Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| FrontIndependent test · Wikipedia |
| Induction type | TurbochargedManufacturer claim · Mercedes-Benz USA | TurbochargedManufacturer claim · BMW |
|---|
| Transmission type | Torque-converter automaticManufacturer claim · Mercedes-Benz USA | Torque-converter automaticManufacturer claim · BMW |
|---|
| Number of gears | 9Manufacturer claim · Mercedes-Benz USA | 8Manufacturer claim · BMW |
|---|
| 452 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 574 miBestCalculated | 515 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 400 miCalculated | 406 miBestCalculated |
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