Audi S6 vs Audi S7
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2018 Audi S7
Overview
| Spec | Audi S6Premium | Audi S7Premium Plus quattro |
|---|---|---|
| Selected trim | Premium | Premium Plus quattro |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | all wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 7-speed automated manual |
| Engine type | mild hybrid | gas |
| Model year | 2025 | 2018 |
Pricing & market
| Spec | Audi S6Premium | Audi S7Premium Plus quattro |
|---|---|---|
| MSRP | $75,900 (best) | $81,200 |
| Lowest listing price | — | $61,960 (best) |
| Median listing price | — | $61,960 (best) |
| Highest listing price | — | $61,960 (best) |
| For sale now | 0 | 1 (best) |
Fuel economy & range
| Spec | Audi S6Premium | Audi S7Premium Plus quattro |
|---|---|---|
| Combined MPG | 22 MPG (best) | 18 MPG |
| City MPG | 19 MPG (best) | 16 MPG |
| Highway MPG | 27 MPG (best) | 24 MPG |
| Fuel tank | 19.3 gal | 19.8 gal (best) |
Performance
| Spec | Audi S6Premium | Audi S7Premium Plus quattro |
|---|---|---|
| Horsepower | 444 hp | 450 hp (best) |
| Torque | 442 lb-ft (best) | 406 lb-ft |
| Engine size | 2.9 L | 4 L (best) |
| Cylinders | V6 | V8 |
Size & capability
| Spec | Audi S6Premium | Audi S7Premium Plus quattro |
|---|---|---|
| Seating | 5 seats (best) | 4 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.7 cu ft | 24.5 cu ft (best) |
| Payload | 1,102 lbs (best) | — |
| Curb weight | 4,519 lbs | 4,486 lbs (best) |
| Wheelbase | 115.3 in (best) | 114.8 in |
| Length | 195 in | 196.3 in (best) |
| Width | 74.3 in (best) | — |
| Height | 56.9 in (best) | 55 in |
Safety & recalls
| Spec | Audi S6Premium | Audi S7Premium Plus quattro |
|---|---|---|
| NHTSA overall | Not Rated | — |
| Frontal crash (driver) | Not Rated | — |
| Frontal crash (passenger) | Not Rated | — |
| Side crash (driver) | Not Rated | — |
| Side crash (passenger) | Not Rated | — |
| Side pole | Not Rated | — |
| Rollover | Not Rated | — |
| Open recalls (YMM scope) | 1 | 1 |
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 S6 | Audi S7 |
|---|---|---|
| 1 | Premium $75,900 MSRP(Currently comparing) | Premium Plus quattro $81,200 MSRP(Currently comparing) |
| 2 | Premium Plus $80,200 MSRP | Prestige quattro $83,150 MSRP |
| 3 | Prestige $84,100 MSRP | — |
Live inventory
Audi S6 vs Audi S7 FAQ
- Which is better: 2025 Audi S6 or 2018 Audi S7?
- It depends on priorities. OpenDealer compares 2025 Audi S6 vs 2018 Audi S7 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 S6 or 2018 Audi S7?
- Based on starting MSRP, the 2025 Audi S6 starts lower at $75,900. Live Audi S7 listings start at $61,960.
- Which has better startingMsrp: 2025 Audi S6 or 2018 Audi S7?
- The 2025 Audi S6 leads on startingMsrp in this comparison (75,900).
- Which has better combinedMpg: 2025 Audi S6 or 2018 Audi S7?
- The 2025 Audi S6 leads on combinedMpg in this comparison (22).
- Which has better horsepower: 2025 Audi S6 or 2018 Audi S7?
- The 2018 Audi S7 leads on horsepower in this comparison (450).
- Which has better seats: 2025 Audi S6 or 2018 Audi S7?
- The 2025 Audi S6 leads on seats in this comparison (5).
- How do the NHTSA safety ratings compare for 2025 Audi S6 vs 2018 Audi S7?
- NHTSA overall crash-test ratings in this comparison: Audi S6 (Not Rated/5 NHTSA overall).