Audi A6 Quattro vs INFINITI M45
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2010 INFINITI M45
Overview
| Spec | Audi A6 QuattroPremium | INFINITI M4545 |
|---|---|---|
| Selected trim | Premium | 45 |
| Body style | Sedan | Sedan |
| Drivetrain | all wheel drive | rear wheel drive |
| Fuel type | premium unleaded (required) | premium unleaded (required) |
| Transmission | 7-speed automated manual | 5-speed shiftable automatic |
| Engine type | mild hybrid | gas |
| Model year | 2025 | 2010 |
Pricing & market
| Spec | Audi A6 QuattroPremium | INFINITI M4545 |
|---|---|---|
| MSRP | $58,100 | $52,150 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Audi A6 QuattroPremium | INFINITI M4545 |
|---|---|---|
| Combined MPG | 26 MPG (best) | 18 MPG |
| City MPG | 24 MPG (best) | 16 MPG |
| Highway MPG | 31 MPG (best) | 21 MPG |
| Fuel tank | 19.3 gal | 20 gal (best) |
Performance
| Spec | Audi A6 QuattroPremium | INFINITI M4545 |
|---|---|---|
| Horsepower | 261 hp | 325 hp (best) |
| Torque | 273 lb-ft | 336 lb-ft (best) |
| Engine size | 2 L | 4.5 L (best) |
| Cylinders | I4 | V8 |
Size & capability
| Spec | Audi A6 QuattroPremium | INFINITI M4545 |
|---|---|---|
| Seating | 5 seats | 5 seats |
| Doors | 4 | 4 |
| Cargo volume | 13.7 cu ft | 14.9 cu ft (best) |
| Payload | 1,102 lbs (best) | — |
| Curb weight | 4,101 lbs | 3,990 lbs (best) |
| Ground clearance | 4.2 in | 5.1 in (best) |
| Wheelbase | 115.1 in (best) | 114.2 in |
| Length | 194.4 in (best) | 194.1 in |
| Width | 74.3 in (best) | 71.1 in |
| Height | 57.4 in | 59.4 in (best) |
Safety & recalls
| Spec | Audi A6 QuattroPremium | INFINITI M4545 |
|---|---|---|
| Open recalls (YMM scope) | None reported (best) | 5 |
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 A6 Quattro | INFINITI M45 |
|---|---|---|
| 1 | Premium $58,100 MSRP(Currently comparing) | 45 $52,150 MSRP(Currently comparing) |
| 2 | Premium $62,600 MSRP | 45 x $54,650 MSRP |
| 3 | Premium Plus $62,800 MSRP | — |
| 4 | Premium Plus $67,300 MSRP | — |
| 5 | Prestige $73,350 MSRP | — |
Audi A6 Quattro vs INFINITI M45 FAQ
- Which is better: 2025 Audi A6 Quattro or 2010 INFINITI M45?
- It depends on priorities. OpenDealer compares 2025 Audi A6 Quattro vs 2010 INFINITI M45 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 A6 Quattro or 2010 INFINITI M45?
- Based on starting MSRP, the 2010 INFINITI M45 starts lower at $52,150.
- Which has better startingMsrp: 2025 Audi A6 Quattro or 2010 INFINITI M45?
- The 2010 INFINITI M45 leads on startingMsrp in this comparison (52,150).
- Which has better combinedMpg: 2025 Audi A6 Quattro or 2010 INFINITI M45?
- The 2025 Audi A6 Quattro leads on combinedMpg in this comparison (26).
- Which has better horsepower: 2025 Audi A6 Quattro or 2010 INFINITI M45?
- The 2025 Audi A6 Quattro leads on horsepower in this comparison (335).