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) | 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 | 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 |
Acura RLX vs Audi S4 FAQ
- Which is better: 2020 Acura RLX or 2025 Audi S4?
- It depends on priorities. OpenDealer compares 2020 Acura RLX vs 2025 Audi S4 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2020 Acura RLX or 2025 Audi S4?
- Based on starting MSRP, the 2020 Acura RLX starts lower at $54,900.
- Which has better combinedMpg: 2020 Acura RLX or 2025 Audi S4?
- The 2020 Acura RLX leads on combinedMpg in this comparison (28).
- Which has better horsepower: 2020 Acura RLX or 2025 Audi S4?
- The 2020 Acura RLX leads on horsepower in this comparison (377).
- How do the NHTSA safety ratings compare for 2020 Acura RLX vs 2025 Audi S4?
- NHTSA overall crash-test ratings in this comparison: Acura RLX (5/5 NHTSA overall).