INFINITI M56 vs Mercedes-Benz C63 AMG
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2021 Mercedes-Benz C63 AMG
Overview
| Spec | INFINITI M56M56 | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| Selected trim | M56 | AMG C 63 |
| Body style | Sedan | Sedan |
| Drivetrain | rear wheel drive | rear 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 | 2013 | 2021 |
Pricing & market
| Spec | INFINITI M56M56 | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| MSRP | $61,200 (best) | $68,600 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | INFINITI M56M56 | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| Combined MPG | 19 MPG | 21 MPG (best) |
| City MPG | 16 MPG | 17 MPG (best) |
| Highway MPG | 24 MPG | 26 MPG (best) |
| Fuel tank | 20 gal (best) | 17.4 gal |
Performance
| Spec | INFINITI M56M56 | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| Horsepower | 420 hp | 469 hp (best) |
| Torque | 417 lb-ft | 479 lb-ft (best) |
| Engine size | 5.6 L (best) | 4 L |
| Cylinders | V8 | V8 |
Size & capability
| Spec | INFINITI M56M56 | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 14.9 cu ft (best) | 12.6 cu ft |
| Curb weight | 4,032 lbs | 3,874 lbs (best) |
| Ground clearance | 5.9 in (best) | 3.6 in |
| Wheelbase | 114.2 in (best) | 111.8 in |
| Length | 194.7 in (best) | 187.2 in |
| Width | 72.6 in (best) | 72.4 in |
| Height | 59.1 in (best) | 56.1 in |
Safety & recalls
| Spec | INFINITI M56M56 | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| NHTSA overall | 5 / 5 ★ (best) | — |
| Frontal crash (driver) | 5 / 5 ★ (best) | — |
| Frontal crash (passenger) | 4 / 5 ★ (best) | — |
| Side crash (driver) | 5 / 5 ★ (best) | — |
| Side crash (passenger) | 5 / 5 ★ (best) | — |
| Side pole | 5 / 5 ★ (best) | — |
| Rollover | 4 / 5 ★ (best) | — |
| 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 | INFINITI M56 | Mercedes-Benz C63 AMG |
|---|---|---|
| 1 | M56 $61,200 MSRP(Currently comparing) | AMG C 63 $68,600 MSRP(Currently comparing) |
| 2 | M56x $63,700 MSRP | AMG C 63 $70,650 MSRP |
| 3 | — | AMG C 63 $78,000 MSRP |