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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-AMG SL 43 Roadster | BMW2000 BMW Z8 |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 170 mphBestManufacturer claim · Mercedes-Benz USA | 155 mphIndependent 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. | 239.8 hp/tCalculated | 248.8 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | 1.04 gIndependent test · Car and Driver | — |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.60 sTieManufacturer claim · Mercedes-Benz USA | 4.50 sTieIndependent test · Car and Driver |
| 0–100 km/hLower is better | 4.70 sTieManufacturer claim · Mercedes-Benz USA | 4.70 sTieIndependent test · Wikipedia |
| 0–100 mphLower is better | 11.20 sIndependent test · Car and Driver | 10.60 sBestIndependent test · Car and Driver |
| Braking | ||
| 70–0 mph braking distanceLower is better | 149.0 ftBestIndependent test · Car and Driver | 165.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | 292.0 ftIndependent test · Car and Driver | — |
| Engine & Powertrain | ||
| Peak powerHigher is better | 416 hpBestManufacturer claim · Mercedes-Benz USA | 394 hpIndependent test · Wikipedia |
| Peak torqueHigher is better | 369 lb-ftBestManufacturer claim · Mercedes-Benz USA | 369 lb-ftIndependent test · Wikipedia |
| Engine displacement | 2000.0 ccManufacturer claim · Mercedes-Benz USA | 4941.0 ccIndependent test · Wikipedia |
| Cylinder count | 4Manufacturer claim · Mercedes-Benz USA | 8Independent test · Wikipedia |
| Engine layout | Inline-4Manufacturer claim · Mercedes-Benz USA | V8Independent test · Wikipedia |
| Engine placement | — | |
| Dimensions | ||
| Length | 185 inManufacturer claim · Mercedes-Benz USA | 173 inIndependent test · Wikipedia |
| Width | 75 inManufacturer claim · Mercedes-Benz USA | 72 inIndependent test · Wikipedia |
| Height | 54 inManufacturer claim · Mercedes-Benz USA | 52 inIndependent test · Wikipedia |
| Wheelbase | 106 inManufacturer claim · Mercedes-Benz USA | 99 inIndependent test · Wikipedia |
| Weight | ||
| Curb weightLower is better | 3825 lbManufacturer claim · Mercedes-Benz USA | 3494 lbBestIndependent test · Wikipedia |
| Fuel Economy | ||
| Fuel tank capacity | 18.5 galManufacturer claim · Mercedes-Benz USA | — |
| Practicality | ||
| Cargo volume | 7 ft³Manufacturer claim · Mercedes-Benz USA | — |
| Seats | 4Manufacturer claim · Mercedes-Benz USA | 2Independent test · Wikipedia |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $112,550Manufacturer claim · Mercedes-Benz USA | — |
| Tires & Wheels | ||
| Front tire size | 255/45R19Manufacturer claim · Mercedes-Benz USA | — |
| Rear tire size | 285/40R19Manufacturer 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 | TurbochargedManufacturer claim · Mercedes-Benz USA | Naturally aspiratedIndependent test · Wikipedia |
|---|
| Transmission type | — | ManualIndependent test · Wikipedia |
|---|
| Number of gears | 9Manufacturer claim · Mercedes-Benz USA | 6Independent test · Wikipedia |
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