Audi A6 vs BMW 340i xDrive
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2018 BMW 340i xDrive
Overview
| Spec | Audi A6Premium | BMW 340i xDrive340i xDrive |
|---|---|---|
| Selected trim | Premium | 340i xDrive |
| 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 | 2026 | 2018 |
Pricing & market
| Spec | Audi A6Premium | BMW 340i xDrive340i xDrive |
|---|---|---|
| MSRP | $64,100 | $50,950 (best) |
| Lowest listing price | $14,990 (best) | — |
| Median listing price | $23,600 (best) | — |
| Highest listing price | $23,999 (best) | — |
| For sale now | 5 (best) | 0 |
Fuel economy & range
| Spec | Audi A6Premium | BMW 340i xDrive340i xDrive |
|---|---|---|
| Combined MPG | 23 MPG | 25 MPG (best) |
| City MPG | 20 MPG | 21 MPG (best) |
| Highway MPG | 29 MPG | 31 MPG (best) |
| Fuel tank | 19.3 gal (best) | 15.8 gal |
Performance
| Spec | Audi A6Premium | BMW 340i xDrive340i xDrive |
|---|---|---|
| Horsepower | 362 hp (best) | 320 hp |
| Torque | 406 lb-ft (best) | 330 lb-ft |
| Engine size | 3 L | 3 L |
| Cylinders | V6 | I6 |
Size & capability
| Spec | Audi A6Premium | BMW 340i xDrive340i xDrive |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.5 cu ft (best) | 13 cu ft |
| Curb weight | 4,310 lbs | 3,820 lbs (best) |
| Ground clearance | — | 5.7 in (best) |
| Wheelbase | 115.1 in (best) | 110.6 in |
| Length | 196.8 in (best) | 182.8 in |
| Width | 73.8 in (best) | 71.3 in |
| Height | 57.4 in (best) | 56.5 in |
Safety & recalls
| Spec | Audi A6Premium | BMW 340i xDrive340i xDrive |
|---|---|---|
| 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) | 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 | BMW 340i xDrive |
|---|---|---|
| 1 | Premium $64,100 MSRP(Currently comparing) | 340i xDrive $50,950 MSRP(Currently comparing) |
| 2 | Premium Plus $67,500 MSRP | — |
| 3 | Prestige $71,400 MSRP | — |
Live inventory
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Audi A6 vs BMW 340i xDrive FAQ
- Which is better: 2026 Audi A6 or 2018 BMW 340i xDrive?
- It depends on priorities. OpenDealer compares 2026 Audi A6 vs 2018 BMW 340i xDrive on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 Audi A6 or 2018 BMW 340i xDrive?
- Based on starting MSRP, the 2018 BMW 340i xDrive starts lower at $50,950. Live Audi A6 listings start at $14,990.
- Which has better startingMsrp: 2026 Audi A6 or 2018 BMW 340i xDrive?
- The 2018 BMW 340i xDrive leads on startingMsrp in this comparison (50,950).
- Which has better combinedMpg: 2026 Audi A6 or 2018 BMW 340i xDrive?
- The 2018 BMW 340i xDrive leads on combinedMpg in this comparison (25).
- Which has better horsepower: 2026 Audi A6 or 2018 BMW 340i xDrive?
- The 2026 Audi A6 leads on horsepower in this comparison (362).
- How do the NHTSA safety ratings compare for 2026 Audi A6 vs 2018 BMW 340i xDrive?
- NHTSA overall crash-test ratings in this comparison: Audi A6 (Not Rated/5 NHTSA overall).