Acura RLX vs Audi S4
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2025 Audi S4
Overview
| Spec | Acura RLXP-AWS | Audi S4Premium |
|---|---|---|
| Selected trim | P-AWS | Premium |
| Body style | Sedan | Sedan |
| Drivetrain | front wheel drive | all wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (recommended) |
| Transmission | 10-speed shiftable automatic | 8-speed shiftable automatic |
| Engine type | gas | gas |
| Model year | 2020 | 2025 |
Pricing & market
| Spec | Acura RLXP-AWS | Audi S4Premium |
|---|---|---|
| MSRP | $54,900 | $54,900 |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Acura RLXP-AWS | Audi S4Premium |
|---|---|---|
| Combined MPG | 23 MPG | 24 MPG (best) |
| City MPG | 20 MPG | 20 MPG |
| Highway MPG | 29 MPG | 29 MPG |
| Fuel tank | 18.5 gal (best) | 15.3 gal |
Performance
| Spec | Acura RLXP-AWS | Audi S4Premium |
|---|---|---|
| Horsepower | 310 hp | 349 hp (best) |
| Torque | 272 lb-ft | 369 lb-ft (best) |
| Engine size | 3.5 L (best) | 3 L |
| Cylinders | V6 | V6 |
Size & capability
| Spec | Acura RLXP-AWS | Audi S4Premium |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 14.9 cu ft (best) | 12 cu ft |
| Payload | — | 1,036 lbs (best) |
| Curb weight | 3,977 lbs | 3,880 lbs (best) |
| Ground clearance | 4.5 in (best) | — |
| Wheelbase | 112.2 in (best) | 111 in |
| Length | 198.1 in (best) | 187.5 in |
| Width | 74.4 in (best) | 72.7 in |
| Height | 57.7 in (best) | 56.2 in |
Safety & recalls
| Spec | Acura RLXP-AWS | Audi S4Premium |
|---|---|---|
| NHTSA overall | 5 / 5 ★ (best) | — |
| Frontal crash (driver) | 5 / 5 ★ (best) | — |
| Frontal crash (passenger) | 5 / 5 ★ (best) | — |
| Side crash (driver) | 5 / 5 ★ (best) | — |
| Side crash (passenger) | 5 / 5 ★ (best) | — |
| Side pole | 5 / 5 ★ (best) | — |
| Rollover | 5 / 5 ★ | 5 / 5 ★ |
| 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 | Acura RLX | Audi S4 |
|---|---|---|
| 1 | P-AWS $54,900 MSRP(Currently comparing) | Premium $54,900 MSRP(Currently comparing) |
| 2 | Sport Hybrid SH-AWD $61,900 MSRP | Premium Plus $58,800 MSRP |
| 3 | — | Prestige $61,500 MSRP |