The Mitsubishi Diamante gas mileage is 21 to 21.5 miles per gallon as specified in our data below, organized by trim, option package, and model year.
For example, the 2004 Mitsubishi Diamante VRX trim model has a combined gas mileage of 21 miles per gallon, while the 2002 Mitsubishi Diamante VRX has a combined gas mileage of 21.5 miles per gallon.
In the city, the Diamante gas mileage is 17 to 18 miles per gallon depending on the trim and model year.
On the highway, the Diamante gas mileage is 25 miles per gallon.
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.
2004 Mitsubishi Diamante Gas Mileage
The 2004 Mitsubishi Diamante gas mileage is 21 miles per gallon combined.
In the city, the 2004 Diamante gas mileage is 17 miles per gallon.
On the highway, the 2004 Diamante gas mileage is 25 miles per gallon.
2004 Mitsubishi Diamante Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| VRX Sedan |
3.5L | V6 | 4 Spd Sportronic Auto | FWD |
17 city mpg | 25 hwy mpg | 21 combined mpg |
| LS Sedan |
3.5L | V6 | 4 Spd Sportronic Auto | FWD |
17 city mpg | 25 hwy mpg | 21 combined mpg |
| ES Sedan |
3.5L | V6 | 4 Spd Auto w/OD | FWD |
17 city mpg | 25 hwy mpg | 21 combined mpg |
2004 Mitsubishi Diamante Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| VRX Sedan |
3.5L | V6 | 4 Spd Sportronic Auto | FWD |
14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
| LS Sedan |
3.5L | V6 | 4 Spd Sportronic Auto | FWD |
14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
| ES Sedan |
3.5L | V6 | 4 Spd Auto w/OD | FWD |
14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
2003 Mitsubishi Diamante Gas Mileage
The 2003 Mitsubishi Diamante gas mileage is 21 miles per gallon combined.
In the city, the 2003 Diamante gas mileage is 17 miles per gallon.
On the highway, the 2003 Diamante gas mileage is 25 miles per gallon.
2003 Mitsubishi Diamante Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| VRX Sedan |
3.5L | V6 | 4 Spd Auto w/Adapt. Shift Control | FWD |
17 city mpg | 25 hwy mpg | 21 combined mpg |
| LS Sedan |
3.5L | V6 | 4 Spd Auto w/Adapt. Shift Control | FWD |
17 city mpg | 25 hwy mpg | 21 combined mpg |
| ES Sedan |
3.5L | V6 | 4 Spd Auto w/Adapt. Shift Control | FWD |
17 city mpg | 25 hwy mpg | 21 combined mpg |
2003 Mitsubishi Diamante Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| VRX Sedan |
3.5L | V6 | 4 Spd Auto w/Adapt. Shift Control | FWD |
14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
| LS Sedan |
3.5L | V6 | 4 Spd Auto w/Adapt. Shift Control | FWD |
14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
| ES Sedan |
3.5L | V6 | 4 Spd Auto w/Adapt. Shift Control | FWD |
14.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
2002 Mitsubishi Diamante Gas Mileage
The 2002 Mitsubishi Diamante gas mileage is 21.5 miles per gallon combined.
In the city, the 2002 Diamante gas mileage is 18 miles per gallon.
On the highway, the 2002 Diamante gas mileage is 25 miles per gallon.
2002 Mitsubishi Diamante Gas Mileage (Imperial)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| VRX Sedan |
3.5L | V6 | 4 Spd Auto | FWD |
18 city mpg | 25 hwy mpg | 21.5 combined mpg |
| LS Sedan |
3.5L | V6 | 4 Spd Auto | FWD |
18 city mpg | 25 hwy mpg | 21.5 combined mpg |
| ES Sedan |
3.5L | V6 | 4 Spd Auto | FWD |
18 city mpg | 25 hwy mpg | 21.5 combined mpg |
2002 Mitsubishi Diamante Gas Mileage (Metric)
| Trim |
Engine | Transmission | Drivetrain |
City | Highway | Combined Mileage |
| VRX Sedan |
3.5L | V6 | 4 Spd Auto | FWD |
13.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
| LS Sedan |
3.5L | V6 | 4 Spd Auto | FWD |
13.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
| ES Sedan |
3.5L | V6 | 4 Spd Auto | FWD |
13.0 city L/100 km | 9.0 hwy L/100 km | 11.0 combined L/100 km |
Mitsubishi Diamante Gas Mileage Data Brought To You By AutoPadre
Mitsubishi Diamante Gas Mileage Comparisons By Year