Audi S4 vs BMW M340i xDrive
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2026 BMW M340i xDrive
Overview
| Spec | Audi S4Premium | BMW M340i xDriveM340i xDrive |
|---|---|---|
| Selected trim | Premium | M340i xDrive |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | all wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Engine type | gas | mild hybrid |
| Model year | 2025 | 2026 |
Pricing & market
| Spec | Audi S4Premium | BMW M340i xDriveM340i xDrive |
|---|---|---|
| MSRP | $54,900 (best) | $63,700 |
| Lowest listing price | $25,423 (best) | — |
| Median listing price | $25,423 (best) | — |
| Highest listing price | $25,423 (best) | — |
| For sale now | 1 (best) | 0 |
Fuel economy & range
| Spec | Audi S4Premium | BMW M340i xDriveM340i xDrive |
|---|---|---|
| Combined MPG | 24 MPG | 29 MPG (best) |
| City MPG | 20 MPG | 26 MPG (best) |
| Highway MPG | 29 MPG | 33 MPG (best) |
| Fuel tank | 15.3 gal | 15.6 gal (best) |
Performance
| Spec | Audi S4Premium | BMW M340i xDriveM340i xDrive |
|---|---|---|
| Horsepower | 349 hp | 386 hp (best) |
| Torque | 369 lb-ft | 398 lb-ft (best) |
| Engine size | 3 L | 3 L |
| Cylinders | V6 | I6 |
Size & capability
| Spec | Audi S4Premium | BMW M340i xDriveM340i xDrive |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 12 cu ft | 16.9 cu ft (best) |
| Payload | 1,036 lbs (best) | — |
| Curb weight | 3,880 lbs (best) | 4,008 lbs |
| Ground clearance | — | 5.1 in (best) |
| Wheelbase | 111 in | 112.2 in (best) |
| Length | 187.5 in (best) | 185.9 in |
| Width | 72.7 in (best) | 71.9 in |
| Height | 56.2 in | 56.7 in (best) |
Safety & recalls
| Spec | Audi S4Premium | BMW M340i xDriveM340i xDrive |
|---|---|---|
| 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 S4 | BMW M340i xDrive |
|---|---|---|
| 1 | Premium $54,900 MSRP(Currently comparing) | M340i xDrive $63,700 MSRP(Currently comparing) |
| 2 | Premium Plus $58,800 MSRP | — |
| 3 | Prestige $61,500 MSRP | — |
Live inventory
Audi S4 vs BMW M340i xDrive FAQ
- Which is better: 2025 Audi S4 or 2026 BMW M340i xDrive?
- It depends on priorities. OpenDealer compares 2025 Audi S4 vs 2026 BMW M340i xDrive 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 S4 or 2026 BMW M340i xDrive?
- 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 S4 or 2026 BMW M340i xDrive?
- The 2025 Audi S4 leads on startingMsrp in this comparison (54,900).
- Which has better combinedMpg: 2025 Audi S4 or 2026 BMW M340i xDrive?
- The 2026 BMW M340i xDrive leads on combinedMpg in this comparison (29).
- Which has better horsepower: 2025 Audi S4 or 2026 BMW M340i xDrive?
- The 2026 BMW M340i xDrive leads on horsepower in this comparison (386).