2003 Infiniti M M45
Unverified
The 2003 Infiniti M M45 is a 340-hp 4.5-liter V8 with a 5-speed automatic w/manual shift mode and rear-wheel drive. It starts at $42,300 MSRP and is rated at 18 mpg combined.
It makes 340 horsepower at 6,400 rpm and 333 lb-ft of torque at 4000 rpm, spinning to a 6,700 rpm redline. EPA fuel-economy estimates are 16 mpg city and 22 mpg highway (18 mpg combined).
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Sedan |
| Powertrain | Gas |
| Price | |
| MSRP | $42,300 ($74,715 *) |
| Engine | |
| Engine Type | 4.5L DOHC 32-valve aluminum-alloy V8 (VK45DE) |
| Displacement | 4.5 L |
| Horsepower | 340 hp @ 6,400 rpm |
| Torque | 333 lb-ft @ 4000 rpm |
| Redline | 6,700 rpm |
| Valvetrain | DOHC, 32-valve, Continuous Variable Valve Timing |
| Bore and Stroke | 93.0 x 82.7 |
| Injection Type | Sequential multiport fuel injection |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | 5-speed automatic w/manual shift mode |
| Fuel Economy | |
| City | 16 MPG |
| Highway | 22 MPG |
| Combined | 18 MPG |
| Suspension | |
| Front Suspension | Independent strut with coil springs; front stabilizer bar; front strut tower bar |
| Rear Suspension | Independent multi-link; rear stabilizer bar |
| Brakes | |
| Front Brake Disc | 4-wheel power-assisted vented disc (ABS, BA, EBD) |
| Rear Brake Disc | 4-wheel power-assisted vented disc (ABS, BA, EBD) |
| Tires & Wheels | |
| Wheels Front | 18 x 7.5 in |
| Wheels Rear | 18 x 7.5 in |
| Tires Front | P235/45WR18 |
| Tires Rear | P235/45WR18 |
| Dimensions & Weight | |
| Wheelbase | 110.2 in |
Similar cars
Rivals to the 2003 Infiniti M M45 with similar size, power and price from around the same years.
Safety & Recalls
NCAP safety ratings
Not crash-tested by NHTSA for this model year.
Recalls
No recalls on file with NHTSA for the 2003 Infiniti M.
2 owner complaints to NHTSA for the 2003 Infiniti M
Owner Complaints
2 owner complaints filed with NHTSA for the 2003 Infiniti M. See all on nhtsa.gov
| Electrical System | 2 |
| Fuel System | 2 |
| Gasoline | 2 |
| Engine And Engine Cooling | 1 |
Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.
Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2003 INFINITI M. US-market vehicles only; data cached for up to 7 days.