The INFINITI Q45 gas mileage is 20 to 21 miles per gallon as specified in our data below, organized by trim, option package, and model year.
For example, the 2006 INFINITI Q45 Sport trim model has a combined gas mileage of 20 miles per gallon, while the 2002 INFINITI Q45 Premium has a combined gas mileage of 21 miles per gallon.
In the city, the Q45 gas mileage is 17 miles per gallon.
On the highway, the Q45 gas mileage is 23 to 25 miles per gallon depending on the trim and model year.
Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.
Check out the Gas Mileage specifications for other makes and models.
2006 INFINITI Q45 Gas Mileage
The 2006 INFINITI Q45 gas mileage is 20 miles per gallon combined.
In the city, the 2006 Q45 gas mileage is 17 miles per gallon.
On the highway, the 2006 Q45 gas mileage is 23 miles per gallon.
2006 INFINITI Q45 Gas Mileage (Imperial)
| Trim |
Engine |
City | Highway | Combined Mileage |
| Sport Sedan |
4.5L | V8 |
17 city mpg | 23 hwy mpg | 20 combined mpg |
2006 INFINITI Q45 Gas Mileage (Metric)
| Trim |
Engine |
City | Highway | Combined Mileage |
| Sport Sedan |
4.5L | V8 |
14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km |
2005 INFINITI Q45 Gas Mileage
The 2005 INFINITI Q45 gas mileage is 20 miles per gallon combined.
In the city, the 2005 Q45 gas mileage is 17 miles per gallon.
On the highway, the 2005 Q45 gas mileage is 23 miles per gallon.
2005 INFINITI Q45 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Premium Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
17 city mpg | 23 hwy mpg | 20 combined mpg |
| Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
17 city mpg | 23 hwy mpg | 20 combined mpg |
2005 INFINITI Q45 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Premium Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km |
| Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km |
2004 INFINITI Q45 Gas Mileage
The 2004 INFINITI Q45 gas mileage is 20 miles per gallon combined.
In the city, the 2004 Q45 gas mileage is 17 miles per gallon.
On the highway, the 2004 Q45 gas mileage is 23 miles per gallon.
2004 INFINITI Q45 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Premium Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
17 city mpg | 23 hwy mpg | 20 combined mpg |
| Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
17 city mpg | 23 hwy mpg | 20 combined mpg |
2004 INFINITI Q45 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Premium Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km |
| Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km |
2003 INFINITI Q45 Gas Mileage
The 2003 INFINITI Q45 gas mileage is 20 miles per gallon combined.
In the city, the 2003 Q45 gas mileage is 17 miles per gallon.
On the highway, the 2003 Q45 gas mileage is 23 miles per gallon.
2003 INFINITI Q45 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Premium Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
17 city mpg | 23 hwy mpg | 20 combined mpg |
| Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
17 city mpg | 23 hwy mpg | 20 combined mpg |
2003 INFINITI Q45 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Premium Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km |
| Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
14.0 city L/100 km | 10.0 hwy L/100 km | 12.0 combined L/100 km |
2002 INFINITI Q45 Gas Mileage
The 2002 INFINITI Q45 gas mileage is 21 miles per gallon combined.
In the city, the 2002 Q45 gas mileage is 17 miles per gallon.
On the highway, the 2002 Q45 gas mileage is 25 miles per gallon.
2002 INFINITI Q45 Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Premium Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
17 city mpg | 25 hwy mpg | 21 combined mpg |
| Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
17 city mpg | 25 hwy mpg | 21 combined mpg |
2002 INFINITI Q45 Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| Premium Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
| Sedan |
4.5L | V8 | 5 Spd Auto w/OD | RWD |
14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
INFINITI Q45 Gas Mileage Data Brought To You By AutoPadre
INFINITI Q45 Gas Mileage Comparisons By Year