Audi S3 vs BMW 340i
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2018 BMW 340i
Overview
| Spec | Audi S3S3 Sedan | BMW 340i340i |
|---|---|---|
| Selected trim | S3 Sedan | 340i |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (recommended) |
| Transmission | 7-speed automated manual | 8-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2018 |
Pricing & market
| Spec | Audi S3S3 Sedan | BMW 340i340i |
|---|---|---|
| MSRP | $52,000 | $48,950 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi S3S3 Sedan | BMW 340i340i |
|---|---|---|
| Combined MPG | 26 MPG (best) | 25 MPG |
| City MPG | 23 MPG (best) | 21 MPG |
| Highway MPG | 31 MPG | 32 MPG (best) |
| Fuel tank | 14.5 gal | 15.8 gal (best) |
Performance
| Spec | Audi S3S3 Sedan | BMW 340i340i |
|---|---|---|
| Horsepower | 328 hp (best) | 320 hp |
| Torque | 295 lb-ft | 330 lb-ft (best) |
| Engine size | 2 L | 3 L (best) |
| Cylinders | I4 | I6 |
Size & capability
| Spec | Audi S3S3 Sedan | BMW 340i340i |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 8.3 cu ft | 13 cu ft (best) |
| Payload | 860 lbs (best) | — |
| Curb weight | 3,549 lbs (best) | 3,695 lbs |
| Ground clearance | — | 5.5 in (best) |
| Wheelbase | 103.6 in | 110.6 in (best) |
| Length | 177.4 in | 182.8 in (best) |
| Width | 71.5 in (best) | 71.3 in |
| Height | 55.7 in | 56.3 in (best) |
Safety & recalls
| Spec | Audi S3S3 Sedan | BMW 340i340i |
|---|---|---|
| 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 S3 | BMW 340i |
|---|---|---|
| 1 | S3 Sedan $52,000 MSRP(Currently comparing) | 340i $48,950 MSRP(Currently comparing) |