Audi A6 Quattro vs Mercedes-Benz C43 AMG
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 Mercedes-Benz C43 AMG
Overview
| Spec | Audi A6 QuattroPremium | Mercedes-Benz C43 AMGAMG C 43 |
|---|---|---|
| Selected trim | Premium | AMG C 43 |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 7-speed automated manual | 9-speed shiftable automatic |
| Engine type | mild hybrid | mild hybrid |
| Model year | 2025 | 2026 |
Pricing & market
| Spec | Audi A6 QuattroPremium | Mercedes-Benz C43 AMGAMG C 43 |
|---|---|---|
| MSRP | $58,100 (best) | $64,150 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi A6 QuattroPremium | Mercedes-Benz C43 AMGAMG C 43 |
|---|---|---|
| Combined MPG | 26 MPG (best) | 22 MPG |
| City MPG | 24 MPG (best) | 19 MPG |
| Highway MPG | 31 MPG (best) | 27 MPG |
| Fuel tank | 19.3 gal (best) | 17.4 gal |
Performance
| Spec | Audi A6 QuattroPremium | Mercedes-Benz C43 AMGAMG C 43 |
|---|---|---|
| Horsepower | 261 hp | 416 hp (best) |
| Torque | 273 lb-ft | 369 lb-ft (best) |
| Engine size | 2 L | 2 L |
| Cylinders | I4 | I4 |
Size & capability
| Spec | Audi A6 QuattroPremium | Mercedes-Benz C43 AMGAMG C 43 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.7 cu ft (best) | 11.6 cu ft |
| Payload | 1,102 lbs (best) | — |
| Curb weight | 4,101 lbs (best) | 4,165 lbs |
| Ground clearance | 4.2 in (best) | — |
| Wheelbase | 115.1 in (best) | 112.8 in |
| Length | 194.4 in (best) | 188.6 in |
| Width | 74.3 in | 74.4 in (best) |
| Height | 57.4 in (best) | 57.1 in |
Safety & recalls
| Spec | Audi A6 QuattroPremium | Mercedes-Benz C43 AMGAMG C 43 |
|---|---|---|
| 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 | Audi A6 Quattro | Mercedes-Benz C43 AMG |
|---|---|---|
| 1 | Premium $58,100 MSRP(Currently comparing) | AMG C 43 $64,150 MSRP(Currently comparing) |
| 2 | Premium $62,600 MSRP | — |
| 3 | Premium Plus $62,800 MSRP | — |
| 4 | Premium Plus $67,300 MSRP | — |
| 5 | Prestige $73,350 MSRP | — |
Audi A6 Quattro vs Mercedes-Benz C43 AMG FAQ
- Which is better: 2025 Audi A6 Quattro or 2026 Mercedes-Benz C43 AMG?
- It depends on priorities. OpenDealer compares 2025 Audi A6 Quattro vs 2026 Mercedes-Benz C43 AMG on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2025 Audi A6 Quattro or 2026 Mercedes-Benz C43 AMG?
- Based on starting MSRP, the 2025 Audi A6 Quattro starts lower at $58,100.
- Which has better startingMsrp: 2025 Audi A6 Quattro or 2026 Mercedes-Benz C43 AMG?
- The 2025 Audi A6 Quattro leads on startingMsrp in this comparison (58,100).
- Which has better combinedMpg: 2025 Audi A6 Quattro or 2026 Mercedes-Benz C43 AMG?
- The 2025 Audi A6 Quattro leads on combinedMpg in this comparison (26).
- Which has better horsepower: 2025 Audi A6 Quattro or 2026 Mercedes-Benz C43 AMG?
- The 2026 Mercedes-Benz C43 AMG leads on horsepower in this comparison (416).