2009 Infiniti M M45x
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Photo: 2010 Infiniti M35x in Black Obsidian, Front Right, 06-19-2022 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
Photo: 2006 Infiniti M35x in Super Black, Front Right, 07-02-2022 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
Photo: INFINITI M35 (Y50) China (2) by Dinkun Chen, CC BY-SA 4.0, via Wikimedia Commons
Photo: INFINITI M35 (Y50) China by Dinkun Chen, CC BY-SA 4.0, via Wikimedia Commons
Photo: '09 Infiniti M45x (Rear, MIAS) by Bull-Doser, Public domain, via Wikimedia Commons
Photos show the third generation (Y50, 2006–2010); trim, color, and model year may differ.
All photo credits
- Photo: 2010 Infiniti M35x in Black Obsidian, Front Right, 06-19-2022 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 2006 Infiniti M35x in Super Black, Front Right, 07-02-2022 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: INFINITI M35 (Y50) China (2) by Dinkun Chen, CC BY-SA 4.0, via Wikimedia Commons
- Photo: INFINITI M35 (Y50) China by Dinkun Chen, CC BY-SA 4.0, via Wikimedia Commons
- Photo: '09 Infiniti M45x (Rear, MIAS) by Bull-Doser, Public domain, via Wikimedia Commons
The 2009 Infiniti M M45x is a 325-hp 4.5-liter V8 with a 5-speed automatic w/manual shift mode, drive sport mode, downshift rev matching and all-wheel drive. It is rated at 16 mpg combined.
It makes 325 horsepower and 336 lb-ft of torque, spinning to a 6,700 rpm redline. EPA fuel-economy estimates are 14 mpg city and 20 mpg highway (16 mpg combined).
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Sedan |
| Powertrain | Gas |
| Engine | |
| Engine Type | 4.5L DOHC 32-valve V8 (VK45DE) |
| Displacement | 4.5 L |
| Horsepower | 325 hp |
| Torque | 336 lb-ft |
| Redline | 6,700 rpm |
| Valvetrain | DOHC, 32-valve, CVTCS |
| Bore and Stroke | 93.0 x 82.7 |
| Injection Type | Sequential multiport fuel injection |
| Drivetrain | |
| Drive Type | AWD (ATTESA E-TS) |
| Transmission | |
| Transmission | 5-speed automatic w/manual shift mode, Drive Sport (DS) mode, Downshift Rev Matching |
| Fuel Economy | |
| City | 14 MPG |
| Highway | 20 MPG |
| Combined | 16 MPG |
| Suspension | |
| Front Suspension | Independent double-wishbone |
| Rear Suspension | Independent multi-link (Rear Active Steer available with Sport Package) |
| Tires & Wheels | |
| Wheels Front | 18 in |
| Wheels Rear | 18 in |
| Tires Front | P245/45VR18 |
| Tires Rear | P245/45VR18 |
| Dimensions & Weight | |
| Wheelbase | 114.2 in |
Similar cars
Rivals to the 2009 Infiniti M M45x with similar size, power and price from around the same years.
Safety & Recalls
No NHTSA data available for the 2009 Infiniti M.
Source: US National Highway Traffic Safety Administration (nhtsa.gov). US-market vehicles only; data cached for up to 7 days.