2009 Infiniti M45 Specs, MPG & Trims
EPA fuel-economy data and specifications for the 2009 Infiniti M45 (16–18 MPG combined) across 2 listed configurations.
Overview
- Body class
- Large Cars
- Drive
- Rear-Wheel Drive, 4-Wheel or All-Wheel Drive
- Engine
- 8-cyl, 4.5 L
- Fuel type
- Premium Gasoline
- Combined MPG
- 16–18 MPG
- Annual fuel cost
- $4,550–$5,150
- Configurations
- 2
MPG & fuel economy
City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.
| Powertrain | City | Highway | Combined | Annual fuel cost | CO2 |
|---|---|---|---|---|---|
| 8-cyl 4.5 L · Premium Gasoline · 4-Wheel or All-Wheel Drive | 14 | 20 | 16 | $5,150 | — |
| 8-cyl 4.5 L · Premium Gasoline · Rear-Wheel Drive | 16 | 21 | 18 | $4,550 | — |
Configurations & engine comparison
Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.
| Configuration / engine | Drive | Transmission | Cyl. | Displ. (L) | Fuel type | City | Hwy | Comb. | Annual cost |
|---|---|---|---|---|---|---|---|---|---|
| M45 | Rear-Wheel Drive | Automatic (S5) | 8 | 4.5 | Premium Gasoline | 16 | 21 | 18 | $4,550 |
| M45x | 4-Wheel or All-Wheel Drive | Automatic (S5) | 8 | 4.5 | Premium Gasoline | 14 | 20 | 16 | $5,150 |
Frequently asked questions
What is the combined MPG of the 2009 Infiniti M45?
According to EPA data, the 2009 Infiniti M45 is rated at 16–18 MPG combined for its conventional-fuel configurations.
How many cylinders does the 2009 Infiniti M45 have?
The EPA data lists 8 cylinders for this vehicle.
What fuel type does the 2009 Infiniti M45 use?
It uses Premium Gasoline.
What is the annual fuel cost of the 2009 Infiniti M45?
The EPA estimates annual fuel costs ranging from $4,550 to $5,150.