Audi S6 vs BMW 640i Gran Coupe
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2019 BMW 640i Gran Coupe
Overview
| Spec | Audi S6Premium | BMW 640i Gran Coupe640i |
|---|---|---|
| Selected trim | Premium | 640i |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Engine type | mild hybrid | gas |
| Model year | 2025 | 2019 |
Pricing & market
| Spec | Audi S6Premium | BMW 640i Gran Coupe640i |
|---|---|---|
| MSRP | $75,900 (best) | $81,500 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi S6Premium | BMW 640i Gran Coupe640i |
|---|---|---|
| Combined MPG | 22 MPG | 23 MPG (best) |
| City MPG | 19 MPG | 20 MPG (best) |
| Highway MPG | 27 MPG | 29 MPG (best) |
| Fuel tank | 19.3 gal (best) | 18.5 gal |
Performance
| Spec | Audi S6Premium | BMW 640i Gran Coupe640i |
|---|---|---|
| Horsepower | 444 hp (best) | 315 hp |
| Torque | 442 lb-ft (best) | 332 lb-ft |
| Engine size | 2.9 L | 3 L (best) |
| Cylinders | V6 | I6 |
Size & capability
| Spec | Audi S6Premium | BMW 640i Gran Coupe640i |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.7 cu ft (best) | 13 cu ft |
| Payload | 1,102 lbs (best) | — |
| Curb weight | 4,519 lbs | 4,165 lbs (best) |
| Ground clearance | — | 5 in (best) |
| Wheelbase | 115.3 in | 116.9 in (best) |
| Length | 195 in | 197.2 in (best) |
| Width | 74.3 in | 74.6 in (best) |
| Height | 56.9 in (best) | 54.8 in |
Safety & recalls
| Spec | Audi S6Premium | BMW 640i Gran Coupe640i |
|---|---|---|
| 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 | 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 | Audi S6 | BMW 640i Gran Coupe |
|---|---|---|
| 1 | Premium $75,900 MSRP(Currently comparing) | 640i $81,500 MSRP(Currently comparing) |
| 2 | Premium Plus $80,200 MSRP | — |
| 3 | Prestige $84,100 MSRP | — |
Audi S6 vs BMW 640i Gran Coupe FAQ
- Which is better: 2025 Audi S6 or 2019 BMW 640i Gran Coupe?
- It depends on priorities. OpenDealer compares 2025 Audi S6 vs 2019 BMW 640i Gran Coupe 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 2019 BMW 640i Gran Coupe?
- Based on starting MSRP, the 2025 Audi S6 starts lower at $75,900.
- Which has better startingMsrp: 2025 Audi S6 or 2019 BMW 640i Gran Coupe?
- The 2025 Audi S6 leads on startingMsrp in this comparison (75,900).
- Which has better combinedMpg: 2025 Audi S6 or 2019 BMW 640i Gran Coupe?
- The 2019 BMW 640i Gran Coupe leads on combinedMpg in this comparison (23).
- Which has better horsepower: 2025 Audi S6 or 2019 BMW 640i Gran Coupe?
- The 2025 Audi S6 leads on horsepower in this comparison (444).
- How do the NHTSA safety ratings compare for 2025 Audi S6 vs 2019 BMW 640i Gran Coupe?
- NHTSA overall crash-test ratings in this comparison: Audi S6 (Not Rated/5 NHTSA overall).