Genesis G80 vs Mercedes-Benz C300
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz C300
Overview
| Spec | Genesis G802.5T | Mercedes-Benz C300C 300 |
|---|---|---|
| Selected trim | 2.5T | C 300 |
| 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 | mild hybrid |
| Model year | 2027 | 2026 |
Pricing & market
| Spec | Genesis G802.5T | Mercedes-Benz C300C 300 |
|---|---|---|
| MSRP | $59,450 | $49,650 (best) |
| Lowest listing price | $17,798 (best) | — |
| Median listing price | $67,014 (best) | — |
| Highest listing price | $83,099 (best) | — |
| For sale now | 18 (best) | 0 |
Fuel economy & range
| Spec | Genesis G802.5T | Mercedes-Benz C300C 300 |
|---|---|---|
| Combined MPG | 23 MPG | 29 MPG (best) |
| City MPG | 20 MPG | 25 MPG (best) |
| Highway MPG | 29 MPG | 35 MPG (best) |
| Fuel tank | 17.2 gal | 17.4 gal (best) |
Performance
| Spec | Genesis G802.5T | Mercedes-Benz C300C 300 |
|---|---|---|
| Horsepower | 300 hp (best) | 255 hp |
| Torque | 311 lb-ft (best) | 295 lb-ft |
| Engine size | 2.5 L (best) | 2 L |
| Cylinders | I4 | I4 |
Size & capability
| Spec | Genesis G802.5T | Mercedes-Benz C300C 300 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.1 cu ft (best) | 11.6 cu ft |
| Curb weight | 4,431 lbs | 3,825 lbs (best) |
| Ground clearance | 5.5 in (best) | — |
| Wheelbase | 118.5 in (best) | 112.8 in |
| Length | 197 in (best) | 187 in |
| Width | 75.8 in (best) | 74.4 in |
| Height | 57.7 in (best) | 56.6 in |
Safety & recalls
| Spec | Genesis G802.5T | Mercedes-Benz C300C 300 |
|---|---|---|
| Open recalls (YMM scope) | 1 | 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 G80 | Mercedes-Benz C300 |
|---|---|---|
| 1 | 2.5T $59,450 MSRP(Currently comparing) | C 300 $49,650 MSRP(Currently comparing) |
| 2 | 2.5T Advanced $64,550 MSRP | C 300 4MATIC $51,650 MSRP |
| 3 | 2.5T Sport Prestige $70,450 MSRP | — |
| 4 | 3.5T Sport Prestige $79,150 MSRP | — |
| 5 | 3.5T Prestige Black $80,150 MSRP | — |
Live inventory
Genesis G8018 for sale
See all- Used
2021 Genesis G80
3.5T
Vik Black•Black/Black32,172 mi$37,153Hyundai of Hampton
Hampton, VA
Used2025 Genesis G80
2.5T Sport Prestige
Cavendish Red•Vanilla Beige/Ash Gray6,294 mi$53,320Hyundai of Hampton
Hampton, VA
Used2021 Genesis G80
3.5T
Adriatic Blue•Brown/Brown11,021 mi$49,000Hyundai of Hampton
Hampton, VA
Used2026 Genesis G80
3.5T
Red•Sevilla Red/Obsidian Blk131 mi$69,900Paramount Hyundai of Hickory
Hickory, NC
New2026 Genesis G80
2.5T Advanced
Vik Black•New Camel1,218 mi$66,883Hyundai of Bedford
Bedford, OH
New2025 Genesis G80
2.5T
Vik Black•Gray8 mi$59,900Clay Cooley Genesis of Mesquite
Mesquite, TX
Genesis G80 vs Mercedes-Benz C300 FAQ
- Which is better: 2027 Genesis G80 or 2026 Mercedes-Benz C300?
- It depends on priorities. OpenDealer compares 2027 Genesis G80 vs 2026 Mercedes-Benz C300 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2027 Genesis G80 or 2026 Mercedes-Benz C300?
- Based on starting MSRP, the 2026 Mercedes-Benz C300 starts lower at $49,650. Live Genesis G80 listings start at $17,798.
- Which has better startingMsrp: 2027 Genesis G80 or 2026 Mercedes-Benz C300?
- The 2026 Mercedes-Benz C300 leads on startingMsrp in this comparison (49,650).
- Which has better combinedMpg: 2027 Genesis G80 or 2026 Mercedes-Benz C300?
- The 2026 Mercedes-Benz C300 leads on combinedMpg in this comparison (29).
- Which has better horsepower: 2027 Genesis G80 or 2026 Mercedes-Benz C300?
- The 2027 Genesis G80 leads on horsepower in this comparison (375).