Genesis G90 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 | Genesis G903.5T | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| Selected trim | 3.5T | AMG C 63 |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 9-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2021 |
Pricing & market
| Spec | Genesis G903.5T | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| MSRP | $92,700 | $68,600 (best) |
| Lowest listing price | $24,806 (best) | — |
| Median listing price | $105,808 (best) | — |
| Highest listing price | $108,598 (best) | — |
| For sale now | 5 (best) | 0 |
Fuel economy & range
| Spec | Genesis G903.5T | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| Combined MPG | 21 MPG | 21 MPG |
| City MPG | 18 MPG (best) | 17 MPG |
| Highway MPG | 26 MPG | 26 MPG |
| Fuel tank | 19.3 gal (best) | 17.4 gal |
Performance
| Spec | Genesis G903.5T | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| Horsepower | 375 hp | 469 hp (best) |
| Torque | 391 lb-ft | 479 lb-ft (best) |
| Engine size | 3.5 L | 4 L (best) |
| Cylinders | V6 | V8 |
Size & capability
| Spec | Genesis G903.5T | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 12 cu ft | 12.6 cu ft (best) |
| Curb weight | 4,872 lbs | 3,874 lbs (best) |
| Ground clearance | 5.8 in (best) | 3.6 in |
| Wheelbase | 125.2 in (best) | 111.8 in |
| Length | 207.7 in (best) | 187.2 in |
| Width | 76 in (best) | 72.4 in |
| Height | 58.7 in (best) | 56.1 in |
Safety & recalls
| Spec | Genesis G903.5T | Mercedes-Benz C63 AMGAMG C 63 |
|---|---|---|
| NHTSA overall | Not Rated | — |
| Frontal crash (driver) | Not Rated | — |
| Frontal crash (passenger) | Not Rated | — |
| Side crash (driver) | Not Rated | — |
| Side crash (passenger) | Not Rated | — |
| Side pole | Not Rated | — |
| Rollover | Not Rated | — |
| 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 | Genesis G90 | Mercedes-Benz C63 AMG |
|---|---|---|
| 1 | 3.5T $92,700 MSRP(Currently comparing) | AMG C 63 $68,600 MSRP(Currently comparing) |
| 2 | 3.5T E-Supercharger $103,000 MSRP | AMG C 63 $70,650 MSRP |
| 3 | 3.5T E-Supercharger Prestige Black $105,750 MSRP | AMG C 63 $78,000 MSRP |
Live inventory
Genesis G905 for sale
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New2026 Genesis G90
3.5T e-SC Prestige Black
Uyuni White•BlackN/A$102,738Bel Air Genesis
Fallston, MD
New2026 Genesis G90
3.5T e-SC
Uyuni White•Bordeaux Brown/Black26 mi$105,808Hyundai of Bedford
Bedford, OH
New2026 Genesis G90
3.5T e-SC
Uyuni White•Bordeaux Brown/Black19 mi$105,838Hyundai of Bedford
Bedford, OH
New2026 Genesis G90
3.5T e-SC Prestige Black
Vik Black•black213 mi$108,598Hyundai of Bedford
Bedford, OH
Certified2019 Genesis G90
3.3T Premium
Victoria Black•black74,835 mi$24,806Hilltop Ford
Richmond, CA
Genesis G90 vs Mercedes-Benz C63 AMG FAQ
- Which is better: 2026 Genesis G90 or 2021 Mercedes-Benz C63 AMG?
- It depends on priorities. OpenDealer compares 2026 Genesis G90 vs 2021 Mercedes-Benz C63 AMG on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 Genesis G90 or 2021 Mercedes-Benz C63 AMG?
- Based on starting MSRP, the 2021 Mercedes-Benz C63 AMG starts lower at $68,600. Live Genesis G90 listings start at $24,806.
- Which has better startingMsrp: 2026 Genesis G90 or 2021 Mercedes-Benz C63 AMG?
- The 2021 Mercedes-Benz C63 AMG leads on startingMsrp in this comparison (68,600).
- Which has better horsepower: 2026 Genesis G90 or 2021 Mercedes-Benz C63 AMG?
- The 2021 Mercedes-Benz C63 AMG leads on horsepower in this comparison (469).
- How do the NHTSA safety ratings compare for 2026 Genesis G90 vs 2021 Mercedes-Benz C63 AMG?
- NHTSA overall crash-test ratings in this comparison: Genesis G90 (Not Rated/5 NHTSA overall).