Genesis G80 vs Mercedes-Benz CLA45 AMG S
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz CLA45 AMG S
Overview
| Spec | Genesis G802.5T | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| Selected trim | 2.5T | AMG CLA 45 S |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | all wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 8-speed automated manual |
| Engine type | gas | gas |
| Model year | 2027 | 2026 |
Pricing & market
| Spec | Genesis G802.5T | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| MSRP | $59,450 (best) | $67,550 |
| Lowest listing price | $17,798 (best) | — |
| Median listing price | $66,883 (best) | — |
| Highest listing price | $83,099 (best) | — |
| For sale now | 19 (best) | 0 |
Fuel economy & range
| Spec | Genesis G802.5T | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| Combined MPG | 23 MPG | 23 MPG |
| City MPG | 20 MPG | 20 MPG |
| Highway MPG | 29 MPG (best) | 28 MPG |
| Fuel tank | 17.2 gal (best) | 13.5 gal |
Performance
| Spec | Genesis G802.5T | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| Horsepower | 300 hp | 416 hp (best) |
| Torque | 311 lb-ft | 369 lb-ft (best) |
| Engine size | 2.5 L (best) | 2 L |
| Cylinders | I4 | I4 |
Size & capability
| Spec | Genesis G802.5T | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.1 cu ft (best) | 11.6 cu ft |
| Curb weight | 4,431 lbs | 3,791 lbs (best) |
| Ground clearance | 5.5 in (best) | — |
| Wheelbase | 118.5 in (best) | 107.4 in |
| Length | 197 in (best) | 184.8 in |
| Width | 75.8 in (best) | 73.1 in |
| Height | 57.7 in (best) | 55.4 in |
Safety & recalls
| Spec | Genesis G802.5T | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| 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 CLA45 AMG S |
|---|---|---|
| 1 | 2.5T $59,450 MSRP(Currently comparing) | AMG CLA 45 S $67,550 MSRP(Currently comparing) |
| 2 | 2.5T Advanced $64,550 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 G8019 for sale
See all
New2025 Genesis G80
2.5T
Capri Blue•Obsidian Black8,947 mi$48,570Clay Cooley Genesis of Mesquite
Mesquite, TX
New2025 Genesis G80
2.5T
Vik Black•Gray8 mi$59,900Clay Cooley Genesis of Mesquite
Mesquite, TX
New2026 Genesis G80
2.5T
Capri Blue•New CamelN/A$64,185Genesis of Annapolis
Annapolis, MD
Used2019 Genesis G80
3.3T Sport
Black•Gray59,885 mi$24,990Eastern Shore Used Car Center
Daphne, AL
New2026 Genesis G80
2.5T Sport Prestige
Makalu Gray•Vanilla Beige/Ash Gray62 mi$73,089Genesis of Cherry Hill
Marlton, NJ
New2027 Genesis G80
3.5T Prestige Black
Vik Black•Obsidian Black15 mi$83,099Genesis of Cherry Hill
Marlton, NJ
Genesis G80 vs Mercedes-Benz CLA45 AMG S FAQ
- Which is better: 2027 Genesis G80 or 2026 Mercedes-Benz CLA45 AMG S?
- It depends on priorities. OpenDealer compares 2027 Genesis G80 vs 2026 Mercedes-Benz CLA45 AMG S 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 CLA45 AMG S?
- Based on starting MSRP, the 2027 Genesis G80 starts lower at $59,450. Live Genesis G80 listings start at $17,798.
- Which has better startingMsrp: 2027 Genesis G80 or 2026 Mercedes-Benz CLA45 AMG S?
- The 2027 Genesis G80 leads on startingMsrp in this comparison (59,450).
- Which has better horsepower: 2027 Genesis G80 or 2026 Mercedes-Benz CLA45 AMG S?
- The 2026 Mercedes-Benz CLA45 AMG S leads on horsepower in this comparison (416).