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Compare 2–4 cars side by side. Every figure is sourced; the best value in each comparable row is marked.
| Specification | Mercedes-Benz2026 Mercedes-Maybach S 580 4MATIC | BMW2025 BMW M3 Competition xDrive |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 130 mphManufacturer claim · Mercedes-Benz USA | 155 mphBestIndependent test · Wikipedia |
| 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. | 213.3 hp/tCalculated | 293.8 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.03 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.70 sManufacturer claim · Mercedes-Benz USA | 3.40 sBestIndependent test · Kelley Blue Book |
| 0–100 km/hLower is better | 4.80 sManufacturer claim · Mercedes-Benz USA | 3.50 sBestManufacturer claim · BMW |
| 0–100 mphLower is better | 10.00 sIndependent test · Car and Driver | 7.00 sBestIndependent test · Car and Driver |
| 0–200 km/h | — | 11.8 sManufacturer claim · BMW |
| Braking | ||
| 70–0 mph braking distance | — | 153.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 297.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 496 hpManufacturer claim · Mercedes-Benz USA | 523 hpBestIndependent test · Wikipedia |
| Peak torqueHigher is better | 516 lb-ftBestManufacturer claim · Mercedes-Benz USA | 479 lb-ftIndependent test · Wikipedia |
| Engine displacement | 4000.0 ccManufacturer claim · Mercedes-Benz USA | 3000.0 ccHomologation · US EPA |
| Cylinder count | 8Manufacturer claim · Mercedes-Benz USA | 6Homologation · US EPA |
| Engine layout | V8Manufacturer claim · Mercedes-Benz USA | Inline-6Independent test · Wikipedia |
| Engine placement | ||
| Dimensions | ||
| Length | 215 inManufacturer claim · Mercedes-Benz USA | 189 inIndependent test · Wikipedia |
| Width | 76 inManufacturer claim · Mercedes-Benz USA | 75 inIndependent test · Wikipedia |
| Height | 59 inManufacturer claim · Mercedes-Benz USA | 57 inIndependent test · Wikipedia |
| Wheelbase | 134 inManufacturer claim · Mercedes-Benz USA | 112 inIndependent test · Wikipedia |
| Weight | ||
| Curb weightLower is better | 5126 lbManufacturer claim · Mercedes-Benz USA | 3924 lbBestIndependent test · Wikipedia |
| Fuel Economy | ||
| Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 18.0 mpgHomologation · US EPA |
| Fuel economy (city)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 16.0 mpgHomologation · US EPA |
| Fuel economy (highway)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 23.0 mpgHomologation · US EPA |
| Fuel tank capacity | 20.1 galManufacturer claim · Mercedes-Benz USA | — |
| Practicality | ||
| Cargo volume | 13 ft³Manufacturer claim · Mercedes-Benz USA | — |
| Seats | 5Manufacturer claim · Mercedes-Benz USA | 5Independent test · Kelley Blue Book |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $207,150Manufacturer claim · Mercedes-Benz USA | $82,075Independent test · Kelley Blue Book |
| Aerodynamics | ||
| Drag coefficient (Cd) | 0.25 :1Manufacturer claim · Mercedes-Benz USA | — |
| Tires & Wheels | ||
| Front tire size | 255/40R20Manufacturer claim · Mercedes-Benz USA | — |
| Rear tire size | 255/40R20Manufacturer claim · Mercedes-Benz USA | — |
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 | Twin-turboManufacturer claim · Mercedes-Benz USA | Twin-turboIndependent test · Wikipedia |
|---|
| Transmission type | Torque-converter automaticManufacturer claim · Mercedes-Benz USA | Torque-converter automaticIndependent test · Wikipedia |
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| Number of gears | 9Manufacturer claim · Mercedes-Benz USA | 8Homologation · US EPA |
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