Alfa Romeo Giulia 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 | Alfa Romeo GiuliaRWD | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| Selected trim | RWD | AMG CLA 45 S |
| Body style | Sedan | Sedan |
| Drivetrain | rear wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 8-speed automated manual |
| Engine type | gas | gas |
| Model year | 2026 | 2026 |
Pricing & market
| Spec | Alfa Romeo GiuliaRWD | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| MSRP | $44,495 (best) | $67,550 |
| Lowest listing price | $50,240 (best) | — |
| Median listing price | $52,455 (best) | — |
| Highest listing price | $55,365 (best) | — |
| For sale now | 4 (best) | 0 |
Fuel economy & range
| Spec | Alfa Romeo GiuliaRWD | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| Combined MPG | 27 MPG (best) | 23 MPG |
| City MPG | 24 MPG (best) | 20 MPG |
| Highway MPG | 33 MPG (best) | 28 MPG |
| Fuel tank | 15.3 gal (best) | 13.5 gal |
Performance
| Spec | Alfa Romeo GiuliaRWD | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| Horsepower | 280 hp | 416 hp (best) |
| Torque | 306 lb-ft | 369 lb-ft (best) |
| Engine size | 2 L | 2 L |
| Cylinders | I4 | I4 |
Size & capability
| Spec | Alfa Romeo GiuliaRWD | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | — | 11.6 cu ft (best) |
| Payload | 905 lbs (best) | — |
| Curb weight | 3,521 lbs (best) | 3,791 lbs |
| Wheelbase | 111 in (best) | 107.4 in |
| Length | 182.7 in | 184.8 in (best) |
| Width | 73.2 in (best) | 73.1 in |
| Height | 57 in (best) | 55.4 in |
Safety & recalls
| Spec | Alfa Romeo GiuliaRWD | Mercedes-Benz CLA45 AMG SAMG CLA 45 S |
|---|---|---|
| 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 | Alfa Romeo Giulia | Mercedes-Benz CLA45 AMG S |
|---|---|---|
| 1 | RWD $44,495 MSRP(Currently comparing) | AMG CLA 45 S $67,550 MSRP(Currently comparing) |
| 2 | AWD $46,495 MSRP | — |
Live inventory
Alfa Romeo Giulia4 for sale
See all
New2026 Alfa Romeo Giulia
Sprint
Milano White•Red13 mi$54,670Alfa Romeo of Fort Lauderdale
Fort Lauderdale, FL
New2026 Alfa Romeo Giulia
Sprint
Red•Black18 mi$50,240Alfa Romeo of Fort Lauderdale
Fort Lauderdale, FL
New2026 Alfa Romeo Giulia
Sprint
Blue•Black37 mi$50,240Alfa Romeo of Fort Lauderdale
Fort Lauderdale, FL
New2026 Alfa Romeo Giulia
Sprint
Gray•Red12 mi$55,365Alfa Romeo of Fort Lauderdale
Fort Lauderdale, FL
Alfa Romeo Giulia vs Mercedes-Benz CLA45 AMG S FAQ
- Which is better: 2026 Alfa Romeo Giulia or 2026 Mercedes-Benz CLA45 AMG S?
- It depends on priorities. OpenDealer compares 2026 Alfa Romeo Giulia 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: 2026 Alfa Romeo Giulia or 2026 Mercedes-Benz CLA45 AMG S?
- Based on starting MSRP, the 2026 Alfa Romeo Giulia starts lower at $44,495. Live Alfa Romeo Giulia listings start at $50,240.
- Which has better startingMsrp: 2026 Alfa Romeo Giulia or 2026 Mercedes-Benz CLA45 AMG S?
- The 2026 Alfa Romeo Giulia leads on startingMsrp in this comparison (44,495).
- Which has better combinedMpg: 2026 Alfa Romeo Giulia or 2026 Mercedes-Benz CLA45 AMG S?
- The 2026 Alfa Romeo Giulia leads on combinedMpg in this comparison (27).
- Which has better horsepower: 2026 Alfa Romeo Giulia or 2026 Mercedes-Benz CLA45 AMG S?
- The 2026 Mercedes-Benz CLA45 AMG S leads on horsepower in this comparison (416).