Audi A6 Quattro vs Audi S4
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2025 Audi S4
Overview
| Spec | Audi A6 QuattroPremium | Audi S4Premium |
|---|---|---|
| Selected trim | Premium | Premium |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (recommended) |
| Transmission | 7-speed automated manual | 8-speed shiftable automatic |
| Engine type | mild hybrid | gas |
| Model year | 2025 | 2025 |
Pricing & market
| Spec | Audi A6 QuattroPremium | Audi S4Premium |
|---|---|---|
| MSRP | $58,100 | $54,900 (best) |
| Lowest listing price | — | $25,423 (best) |
| Median listing price | — | $25,423 (best) |
| Highest listing price | — | $25,423 (best) |
| For sale now | 0 | 1 (best) |
Fuel economy & range
| Spec | Audi A6 QuattroPremium | Audi S4Premium |
|---|---|---|
| Combined MPG | 26 MPG (best) | 24 MPG |
| City MPG | 24 MPG (best) | 20 MPG |
| Highway MPG | 31 MPG (best) | 29 MPG |
| Fuel tank | 19.3 gal (best) | 15.3 gal |
Performance
| Spec | Audi A6 QuattroPremium | Audi S4Premium |
|---|---|---|
| Horsepower | 261 hp | 349 hp (best) |
| Torque | 273 lb-ft | 369 lb-ft (best) |
| Engine size | 2 L | 3 L (best) |
| Cylinders | I4 | V6 |
Size & capability
| Spec | Audi A6 QuattroPremium | Audi S4Premium |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.7 cu ft (best) | 12 cu ft |
| Payload | 1,102 lbs (best) | 1,036 lbs |
| Curb weight | 4,101 lbs | 3,880 lbs (best) |
| Ground clearance | 4.2 in (best) | — |
| Wheelbase | 115.1 in (best) | 111 in |
| Length | 194.4 in (best) | 187.5 in |
| Width | 74.3 in (best) | 72.7 in |
| Height | 57.4 in (best) | 56.2 in |
Safety & recalls
| Spec | Audi A6 QuattroPremium | Audi S4Premium |
|---|---|---|
| Rollover | — | 5 / 5 ★ (best) |
| 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 | Audi S4 |
|---|---|---|
| 1 | Premium $58,100 MSRP(Currently comparing) | Premium $54,900 MSRP(Currently comparing) |
| 2 | Premium $62,600 MSRP | Premium Plus $58,800 MSRP |
| 3 | Premium Plus $62,800 MSRP | Prestige $61,500 MSRP |
| 4 | Premium Plus $67,300 MSRP | — |
| 5 | Prestige $73,350 MSRP | — |
Live inventory
Audi A6 Quattro vs Audi S4 FAQ
- Which is better: 2025 Audi A6 Quattro or 2025 Audi S4?
- It depends on priorities. OpenDealer compares 2025 Audi A6 Quattro vs 2025 Audi S4 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 2025 Audi S4?
- Based on starting MSRP, the 2025 Audi S4 starts lower at $54,900. Live Audi S4 listings start at $25,423.
- Which has better startingMsrp: 2025 Audi A6 Quattro or 2025 Audi S4?
- The 2025 Audi S4 leads on startingMsrp in this comparison (54,900).
- Which has better combinedMpg: 2025 Audi A6 Quattro or 2025 Audi S4?
- The 2025 Audi A6 Quattro leads on combinedMpg in this comparison (26).
- Which has better horsepower: 2025 Audi A6 Quattro or 2025 Audi S4?
- The 2025 Audi S4 leads on horsepower in this comparison (349).