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Compare 2–4 cars side by side. Every figure is sourced; the best value in each comparable row is marked.
Add at least one more car to compare. Winners are marked once two or more cars are in the table.
| Specification | Mercedes-Benz2026 Mercedes-AMG SL 55 Roadster |
|---|---|
| Performance | |
| Top speed | 183 mphManufacturer claim · Mercedes-Benz USA |
| Power-to-weight ratioCalculated from peak power and curb weight — figures quoted against a different weight basis (e.g. dry or DIN) will differ. | 241.8 hp/tCalculated |
| Acceleration | |
| 0–60 mphRollout (1ft) handling differs between testers and manufacturers. | 3.80 sManufacturer claim · Mercedes-Benz USA |
| 0–100 km/h | 3.90 sManufacturer claim · Mercedes-Benz USA |
| Engine & Powertrain | |
| Peak power | 469 hpManufacturer claim · Mercedes-Benz USA |
| Peak torque | 516 lb-ftManufacturer claim · Mercedes-Benz USA |
| Engine displacement | 4000.0 ccManufacturer claim · Mercedes-Benz USA |
| Cylinder count | 8Manufacturer claim · Mercedes-Benz USA |
| Engine layout | V8Manufacturer claim · Mercedes-Benz USA |
| Induction type | Twin-turboManufacturer claim · Mercedes-Benz USA |
| Number of gears | 9Manufacturer claim · Mercedes-Benz USA |
| Dimensions | |
| Length | 185 inManufacturer claim · Mercedes-Benz USA |
| Width | 75 inManufacturer claim · Mercedes-Benz USA |
| Height | 54 inManufacturer claim · Mercedes-Benz USA |
| Wheelbase | 106 inManufacturer claim · Mercedes-Benz USA |
| Weight | |
| Curb weight | 4277 lbManufacturer claim · Mercedes-Benz USA |
| 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 |
| Pricing | |
| Base price (as tested market)Demo prices only; not live FX. | $145,250Manufacturer claim · Mercedes-Benz USA |
| Tires & Wheels | |
| Front tire size | 265/40R20Manufacturer claim · Mercedes-Benz USA |
| Rear tire size | 295/35R20Manufacturer 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.
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