Acura MDX vs INFINITI QX4
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2003 INFINITI QX4
Overview
| Spec | Acura MDXMDX SUV | INFINITI QX4Base |
|---|---|---|
| Selected trim | MDX SUV | Base |
| Body style | SUV | SUV |
| Drivetrain | front wheel drive | rear wheel drive |
| Fuel type | premium unleaded (recommended) | premium unleaded (required) |
| Transmission | 10-speed shiftable automatic | 4-speed automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2003 |
Pricing & market
| Spec | Acura MDXMDX SUV | INFINITI QX4Base |
|---|---|---|
| MSRP | $51,800 | $34,750 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Acura MDXMDX SUV | INFINITI QX4Base |
|---|---|---|
| Combined MPG | 22 MPG (best) | 16 MPG |
| City MPG | 19 MPG (best) | 14 MPG |
| Highway MPG | 26 MPG (best) | 19 MPG |
| Fuel tank | 18.5 gal | 21.1 gal (best) |
Performance
| Spec | Acura MDXMDX SUV | INFINITI QX4Base |
|---|---|---|
| Horsepower | 290 hp (best) | 240 hp |
| Torque | 267 lb-ft (best) | 265 lb-ft |
| Engine size | 3.5 L | 3.5 L |
| Cylinders | V6 | V6 |
Size & capability
| Spec | Acura MDXMDX SUV | INFINITI QX4Base |
|---|---|---|
| Seating | 7 seats (best) | 5 seats |
| Doors | 4 | 5 (best) |
| Cargo volume | 95 cu ft (best) | 85 cu ft |
| Towing capacity | 3,500 lbs | 5,000 lbs (best) |
| Curb weight | 4,268 lbs | 4,074 lbs (best) |
| Ground clearance | 7.3 in | 8.3 in (best) |
| Wheelbase | 113.8 in (best) | 106.3 in |
| Length | 198.4 in (best) | 183.1 in |
| Width | 78.7 in (best) | 72.4 in |
| Height | 67.9 in | 70.7 in (best) |
Safety & recalls
| Spec | Acura MDXMDX SUV | INFINITI QX4Base |
|---|---|---|
| NHTSA overall | Not Rated | — |
| Frontal crash (driver) | 4 / 5 ★ (best) | — |
| Frontal crash (passenger) | 4 / 5 ★ (best) | — |
| Side crash (driver) | 5 / 5 ★ (best) | — |
| Side crash (passenger) | 5 / 5 ★ (best) | — |
| Side pole | 5 / 5 ★ (best) | — |
| Rollover | Not Rated | 3 / 5 ★ (best) |
| Open recalls (YMM scope) | 1 (best) | 3 |
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 MDX | INFINITI QX4 |
|---|---|---|
| 1 | MDX SUV $51,800 MSRP(Currently comparing) | Base $34,750 MSRP(Currently comparing) |
| 2 | MDX SUV $57,200 MSRP | Base $36,150 MSRP |
| 3 | MDX SUV $54,000 MSRP | — |
| 4 | MDX SUV $59,400 MSRP | — |
| 5 | MDX SUV $62,400 MSRP | — |
| 6 | MDX SUV $66,900 MSRP | — |
| 7 | MDX SUV $68,900 MSRP | — |
| 8 | Type S $75,850 MSRP | — |
Acura MDX vs INFINITI QX4 FAQ
- Which is better: 2026 Acura MDX or 2003 INFINITI QX4?
- It depends on priorities. OpenDealer compares 2026 Acura MDX vs 2003 INFINITI QX4 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 Acura MDX or 2003 INFINITI QX4?
- Based on starting MSRP, the 2003 INFINITI QX4 starts lower at $34,750.
- Which has better startingMsrp: 2026 Acura MDX or 2003 INFINITI QX4?
- The 2003 INFINITI QX4 leads on startingMsrp in this comparison (34,750).
- Which has better combinedMpg: 2026 Acura MDX or 2003 INFINITI QX4?
- The 2026 Acura MDX leads on combinedMpg in this comparison (22).
- Which has better horsepower: 2026 Acura MDX or 2003 INFINITI QX4?
- The 2026 Acura MDX leads on horsepower in this comparison (355).
- Which has better seats: 2026 Acura MDX or 2003 INFINITI QX4?
- The 2026 Acura MDX leads on seats in this comparison (7).
- How do the NHTSA safety ratings compare for 2026 Acura MDX vs 2003 INFINITI QX4?
- NHTSA overall crash-test ratings in this comparison: Acura MDX (Not Rated/5 NHTSA overall).