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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 CLE 450 4MATIC Cabriolet | Porsche2025 Porsche 911 Carrera Cabriolet |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 130 mphManufacturer claim · Mercedes-Benz USA | 181 mphBestManufacturer claim · Porsche |
| 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. | 184.3 hp/tCalculated | 242.7 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. | 4.20 sTieManufacturer claim · Mercedes-Benz USA | 4.10 sTieManufacturer claim · Porsche |
| 0–100 km/hLower is better | 4.70 sManufacturer claim · Mercedes-Benz USA | 4.30 sBestIndependent test · Ultimate Specs |
| 0–100 mph | — | 7.90 sIndependent test · Car and Driver |
| 0–200 km/h | — | 15.1 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 12.50 sManufacturer claim · Porsche |
| Braking | ||
| 70–0 mph braking distance | — | 138.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 282.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 375 hpManufacturer claim · Mercedes-Benz USA | 388 hpBestManufacturer claim · Porsche |
| Peak torqueHigher is better | 369 lb-ftBestManufacturer claim · Mercedes-Benz USA | 331 lb-ftManufacturer claim · Porsche |
| Engine displacement | 3000.0 ccManufacturer claim · Mercedes-Benz USA | 3000.0 ccManufacturer claim · Porsche |
| Cylinder count | 6Manufacturer claim · Mercedes-Benz USA | 6Manufacturer claim · Porsche |
| Engine layout | Inline-6Manufacturer claim · Mercedes-Benz USA | Flat-6Manufacturer claim · Porsche |
| Engine placement | ||
| Dimensions | ||
| Length | 191 inManufacturer claim · Mercedes-Benz USA | 179 inManufacturer claim · Porsche |
| Width | 73 inManufacturer claim · Mercedes-Benz USA | 73 inManufacturer claim · Porsche |
| Height | 56 inManufacturer claim · Mercedes-Benz USA | 51 inManufacturer claim · Porsche |
| Wheelbase | 113 inManufacturer claim · Mercedes-Benz USA | 97 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 4486 lbManufacturer claim · Mercedes-Benz USA | 3525 lbBestManufacturer claim · Porsche |
| Fuel Economy | ||
| Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 21.0 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 mpgBestManufacturer claim · Mercedes-Benz USA | 18.0 mpgHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 32.0 mpgBestManufacturer claim · Mercedes-Benz USA | 25.0 mpgHomologation · US EPA |
| Fuel tank capacity | 17.4 galManufacturer claim · Mercedes-Benz USA | 16.6 galManufacturer claim · Porsche |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Cargo volumeHigher is better | 10 ft³BestManufacturer claim · Mercedes-Benz USA | 5 ft³Manufacturer claim · Porsche |
| Seats | 4Manufacturer claim · Mercedes-Benz USA | 4Manufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $77,400Manufacturer claim · Mercedes-Benz USA | $133,400Homologation · US EPA |
| Aerodynamics | ||
| Drag coefficient (Cd) | — | 0.30 :1Independent test · Ultimate Specs |
| Tires & Wheels | ||
| Front tire size | 245/40R19Manufacturer claim · Mercedes-Benz USA | 235/40 ZR19Manufacturer claim · Porsche |
| Rear tire size | 275/35R19Manufacturer claim · Mercedes-Benz USA | 295/35 ZR20Manufacturer claim · Porsche |
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.
| — |
| RearManufacturer claim · Porsche |
| Induction type | TurbochargedManufacturer claim · Mercedes-Benz USA | Twin-turboManufacturer claim · Porsche |
|---|
| Redline | — | 7500Manufacturer claim · Porsche |
|---|
| Transmission type | Torque-converter automaticManufacturer claim · Mercedes-Benz USA | Dual-clutch (PDK)Manufacturer claim · Porsche |
|---|
| Number of gears | 9Manufacturer claim · Mercedes-Benz USA | 8Manufacturer claim · Porsche |
|---|
| 349 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 557 miBestCalculated | 415 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 400 miBestCalculated | 299 miCalculated |
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