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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-AMG CLA 45 S Coupe | BMW2025 BMW M2 |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 155 mphManufacturer claim · Mercedes-Benz USA | 177 mphBestManufacturer 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. | 241.9 hp/tCalculated | 269.7 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.02 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.00 sManufacturer claim · Mercedes-Benz USA | 3.50 sBestIndependent test · Car and Driver |
| 0–100 km/hLower is better | 4.10 sTieManufacturer claim · Mercedes-Benz USA | 4.00 sTieManufacturer claim · BMW |
| 0–100 mph | — | 7.60 sIndependent test · Car and Driver |
| 0–200 km/h | — | 12.9 sManufacturer claim · BMW |
| Quarter-mile elapsed time | — | 11.60 sIndependent test · Car and Driver |
| Quarter-mile trap speed | — | 124.0 mph |
| Braking | ||
| 70–0 mph braking distance | — | 149.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 294.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 416 hpManufacturer claim · Mercedes-Benz USA | 473 hpBestManufacturer claim · BMW |
| Peak torqueHigher is better | 369 lb-ftManufacturer claim · Mercedes-Benz USA | 443 lb-ftBestManufacturer claim · BMW |
| Engine displacement | 2000.0 ccManufacturer claim · Mercedes-Benz USA | 2993.0 ccManufacturer claim · BMW |
| Cylinder count | 4Manufacturer claim · Mercedes-Benz USA | 6Manufacturer claim · BMW |
| Engine layout | Inline-4Manufacturer claim · Mercedes-Benz USA | Inline-6Manufacturer claim · BMW |
| Engine placement | — | |
| Dimensions | ||
| Length | 185 inManufacturer claim · Mercedes-Benz USA | 180 inManufacturer claim · BMW |
| Width | 73 inManufacturer claim · Mercedes-Benz USA | 74 inManufacturer claim · BMW |
| Height | 55 inManufacturer claim · Mercedes-Benz USA | 55 inManufacturer claim · BMW |
| Wheelbase | 107 inManufacturer claim · Mercedes-Benz USA | 108 inManufacturer claim · BMW |
| Weight | ||
| Curb weightLower is better | 3791 lbBestManufacturer claim · Mercedes-Benz USA | 3867 lbManufacturer claim · BMW |
| Fuel Economy | ||
| Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 19.0 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 | 13.5 galManufacturer claim · Mercedes-Benz USA | 13.7 galHomologation · US EPA |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | — | 260 miCalculated |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | ||
| Practicality | ||
| Cargo volume | 12 ft³Manufacturer claim · Mercedes-Benz USA | — |
| Seats | 5Manufacturer claim · Mercedes-Benz USA | 4Independent test · Car and Driver |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $67,550Manufacturer claim · Mercedes-Benz USA | $65,500Homologation · US EPA |
| Aerodynamics | ||
| Drag coefficient (Cd) | 0.31 :1Manufacturer claim · Mercedes-Benz USA | — |
| Tires & Wheels | ||
| Front tire size | 245/35R19Manufacturer claim · Mercedes-Benz USA | 275/35 ZR19Manufacturer claim · BMW |
| Rear tire size | 245/35R19Manufacturer claim · Mercedes-Benz USA | 285/30 ZR20Manufacturer 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.
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Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| Induction type | TurbochargedManufacturer claim · Mercedes-Benz USA | Twin-turboManufacturer claim · BMW |
|---|
| Redline | — | 7200Manufacturer claim · BMW |
|---|
| Transmission type | Automated manualManufacturer claim · Mercedes-Benz USA | Torque-converter automaticManufacturer claim · BMW |
|---|
| Number of gears | 8Manufacturer claim · Mercedes-Benz USA | 8Manufacturer claim · BMW |
|---|
| 315 miCalculated |
| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | — | 219 miCalculated |
|---|