Mercedes-Benz AMG GT vs Mercedes-Benz SL63 AMG
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz SL63 AMG
Overview
| Spec | Mercedes-Benz AMG GTBase | Mercedes-Benz SL63 AMGAMG SL 63 |
|---|---|---|
| Selected trim | Base | AMG SL 63 |
| Body style | Coupe | Convertible |
| Drivetrain | rear wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 7-speed automated manual | 9-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2021 | 2026 |
Pricing & market
| Spec | Mercedes-Benz AMG GTBase | Mercedes-Benz SL63 AMGAMG SL 63 |
|---|---|---|
| MSRP | $118,600 (best) | $187,850 |
| Lowest listing price | $69,562 (best) | — |
| Median listing price | $78,776 (best) | — |
| Highest listing price | $87,990 (best) | — |
| For sale now | 2 (best) | 0 |
Fuel economy & range
| Spec | Mercedes-Benz AMG GTBase | Mercedes-Benz SL63 AMGAMG SL 63 |
|---|---|---|
| Combined MPG | 17 MPG (best) | 16 MPG |
| City MPG | 15 MPG (best) | 13 MPG |
| Highway MPG | 20 MPG | 21 MPG (best) |
| Fuel tank | 19.8 gal (best) | 18.5 gal |
Performance
| Spec | Mercedes-Benz AMG GTBase | Mercedes-Benz SL63 AMGAMG SL 63 |
|---|---|---|
| Horsepower | 523 hp | 577 hp (best) |
| Torque | 494 lb-ft | 590 lb-ft (best) |
| Engine size | 4 L | 4 L |
| Cylinders | V8 | V8 |
Size & capability
| Spec | Mercedes-Benz AMG GTBase | Mercedes-Benz SL63 AMGAMG SL 63 |
|---|---|---|
| Seating | 2 seats | 4 seats (best) |
| Doors | 2 | 2 |
| Cargo volume | 10.1 cu ft (best) | 7.5 cu ft |
| Curb weight | 3,666 lbs (best) | 4,321 lbs |
| Ground clearance | 3.8 in (best) | — |
| Wheelbase | 103.5 in | 106.3 in (best) |
| Length | 179.4 in | 185.2 in (best) |
| Width | 76.3 in (best) | 75.4 in |
| Height | 50.7 in | 53.5 in (best) |
Safety & recalls
| Spec | Mercedes-Benz AMG GTBase | Mercedes-Benz SL63 AMGAMG SL 63 |
|---|---|---|
| Open recalls (YMM scope) | 2 | None reported (best) |
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 AMG GT | Mercedes-Benz SL63 AMG |
|---|---|---|
| 1 | Base $118,600 MSRP(Currently comparing) | AMG SL 63 $187,850 MSRP(Currently comparing) |
Live inventory
Mercedes-Benz AMG GT vs Mercedes-Benz SL63 AMG FAQ
- Which is better: 2021 Mercedes-Benz AMG GT or 2026 Mercedes-Benz SL63 AMG?
- It depends on priorities. OpenDealer compares 2021 Mercedes-Benz AMG GT vs 2026 Mercedes-Benz SL63 AMG on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2021 Mercedes-Benz AMG GT or 2026 Mercedes-Benz SL63 AMG?
- Based on starting MSRP, the 2021 Mercedes-Benz AMG GT starts lower at $118,600. Live Mercedes-Benz AMG GT listings start at $69,562.
- Which has better startingMsrp: 2021 Mercedes-Benz AMG GT or 2026 Mercedes-Benz SL63 AMG?
- The 2021 Mercedes-Benz AMG GT leads on startingMsrp in this comparison (118,600).
- Which has better combinedMpg: 2021 Mercedes-Benz AMG GT or 2026 Mercedes-Benz SL63 AMG?
- The 2021 Mercedes-Benz AMG GT leads on combinedMpg in this comparison (17).
- Which has better horsepower: 2021 Mercedes-Benz AMG GT or 2026 Mercedes-Benz SL63 AMG?
- The 2026 Mercedes-Benz SL63 AMG leads on horsepower in this comparison (577).
- Which has better seats: 2021 Mercedes-Benz AMG GT or 2026 Mercedes-Benz SL63 AMG?
- The 2026 Mercedes-Benz SL63 AMG leads on seats in this comparison (4).