Mercedes-Benz CLK63 AMG vs Mercedes-Benz SL55 AMG
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz SL55 AMG
Overview
| Spec | Mercedes-Benz CLK63 AMGCLK63 AMG | Mercedes-Benz SL55 AMGAMG SL 55 |
|---|---|---|
| Selected trim | CLK63 AMG | AMG SL 55 |
| Body style | Convertible | Convertible |
| Drivetrain | rear wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 7-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2008 | 2026 |
Pricing & market
| Spec | Mercedes-Benz CLK63 AMGCLK63 AMG | Mercedes-Benz SL55 AMGAMG SL 55 |
|---|---|---|
| MSRP | $89,500 (best) | $145,250 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Mercedes-Benz CLK63 AMGCLK63 AMG | Mercedes-Benz SL55 AMGAMG SL 55 |
|---|---|---|
| Combined MPG | 14 MPG | 16 MPG (best) |
| City MPG | 12 MPG | 13 MPG (best) |
| Highway MPG | 18 MPG | 21 MPG (best) |
| Fuel tank | 16.4 gal | 18.5 gal (best) |
Performance
| Spec | Mercedes-Benz CLK63 AMGCLK63 AMG | Mercedes-Benz SL55 AMGAMG SL 55 |
|---|---|---|
| Horsepower | 475 hp (best) | 469 hp |
| Torque | 465 lb-ft | 516 lb-ft (best) |
| Engine size | 6.2 L (best) | 4 L |
| Cylinders | V8 | V8 |
Size & capability
| Spec | Mercedes-Benz CLK63 AMGCLK63 AMG | Mercedes-Benz SL55 AMGAMG SL 55 |
|---|---|---|
| Seating | 4 seats | 4 seats |
| Doors | 2 | 2 |
| Cargo volume | 8.6 cu ft (best) | 7.5 cu ft |
| Curb weight | 3,960 lbs (best) | 4,277 lbs |
| Wheelbase | 106.9 in (best) | 106.3 in |
| Length | 183.2 in | 185.2 in (best) |
| Width | 68.5 in | 75.4 in (best) |
| Height | 55.1 in (best) | 53.5 in |
Safety & recalls
| Spec | Mercedes-Benz CLK63 AMGCLK63 AMG | Mercedes-Benz SL55 AMGAMG SL 55 |
|---|---|---|
| Open recalls (YMM scope) | None reported | None reported |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | Mercedes-Benz CLK63 AMG | Mercedes-Benz SL55 AMG |
|---|---|---|
| 1 | CLK63 AMG $89,500 MSRP(Currently comparing) | AMG SL 55 $145,250 MSRP(Currently comparing) |
| 2 | CLK63 AMG Black Series $135,000 MSRP | — |