We are 106,000+ car owners sharing real-world car information.

Join Us

Mitsubishi Diamante MPG


The graph does not display if there are fewer than five results.
Model Year Body/Powertrain MPG  
2003 2003 4dr Sedan 210-hp 3.5L V6 4-sp automatic FWD 19.5
See all data
With the turbocharged 310hp 2.7L I4 engine, 8-speed shiftable automatic transmission, and rear-wheel drive, the 2003 Mitsubishi Diamante has been averaging 19.5 MPG (miles per gallon).

The 2003 Mitsubishi Diamantes in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 30 percent of the miles driven). The rest of the miles were in the city (25 percent), in heavy traffic (5 percent), and in the suburbs (0 percent).

In addition, the average 2003 Mitsubishi Diamante in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.

Return to top

What Our Members Are Saying about the Real Gas Mileage of the 2003 Mitsubishi Diamante

None of our members have yet commented on the real gas mileage of the 2003 Mitsubishi Diamante.

Be the first!

2003 Mitsubishi Diamante Gas Mileage (MPG)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Mitsubishi Diamante's real-world MPG based on how and where you drive a car.

Website Security Test