Tank Ledger

Mitsubishi Diamante MPG by year — every rating on record

The Mitsubishi Diamante has a combined EPA fuel economy rating for 11 model years, from 1992 to 2002. Across those years its best rated version returned 19 mpg (1992) and its thirstiest returned 18 mpg (1992). The EPA record holds 16 configurations for this nameplate, most recently a Midsize Cars.

19best combined mpg (1992)
18worst combined mpg (1992)
18latest year best (2002)
16configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
1992219 mpg18 mpg#42 of 58 (28th pct)Front-Wheel DrivePremiumCompact Cars
1993218 mpg18 mpg#48 of 55 (13th pct)Front-Wheel DrivePremiumCompact Cars
1994218 mpg18 mpg#45 of 53 (15th pct)Front-Wheel DrivePremiumCompact Cars
1995219 mpg19 mpg#44 of 60 (27th pct)Front-Wheel DrivePremiumCompact Cars
1996219 mpg18 mpg#43 of 52 (18th pct)Front-Wheel DrivePremiumCompact Cars
1997119 mpg19 mpg#29 of 43 (33th pct)Front-Wheel DrivePremiumMidsize Cars
1998118 mpg18 mpg#42 of 47 (11th pct)Front-Wheel DrivePremiumMidsize Cars
1999118 mpg18 mpg#47 of 56 (16th pct)Front-Wheel DrivePremiumMidsize Cars
2000118 mpg18 mpg#46 of 51 (10th pct)Front-Wheel DrivePremiumMidsize Cars
2001118 mpg18 mpg#50 of 54 (8th pct)Front-Wheel DrivePremiumMidsize Cars
2002118 mpg18 mpg#48 of 52 (8th pct)Front-Wheel DrivePremiumMidsize Cars

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Mitsubishi Diamante placed highest in 1997 at #29 of 43, and lowest in 2001 at #50 of 54. It spent 0 of its 11 ranked years in the top half of its class.

Every configuration on record

All 16 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrCO2 g/miGHG
20023.5L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumSOHC162318638.916.5$4,300493.72222222222223n/a
20013.5L 6-cyl Front-Wheel Drive Automatic 4-spd Premium3.5L 6-cyl162318638.916.5$4,300493.72222222222223n/a
20003.5L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumSOHC162318638.916.5$4,300493.72222222222223n/a
19993.5L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumSOHC162218638.916.5$4,300493.72222222222223n/a
19983.5L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumSOHC162318638.916.5$4,300493.72222222222223n/a
19973.5L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumSOHC (FFS)162419605.315.7$4,100467.7368421052632n/a
19963.0L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumDOHC (FFS)162218638.916.5$4,300493.72222222222223n/a
19963.0L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumSOHC (FFS)162319605.315.7$4,100467.7368421052632n/a
19953.0L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumSOHC (FFS)162319605.315.7$4,100467.7368421052632n/a
19953.0L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumDOHC (FFS)162319605.315.7$4,100467.7368421052632n/a
19943.0L 6-cyl Front-Wheel Drive Automatic 4-spd Premium(DOHC) (FFS)162218638.916.5$4,300493.72222222222223n/a
19943.0L 6-cyl Front-Wheel Drive Automatic 4-spd Premium(SOHC) (FFS)162218638.916.5$4,300493.72222222222223n/a
19933.0L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumDOHC (FFS)162218638.916.5$4,300493.72222222222223n/a
19933.0L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumSOHC (FFS)162318638.916.5$4,300493.72222222222223n/a
19923.0L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumDOHC (FFS)162218638.916.5$4,300493.72222222222223n/a
19923.0L 6-cyl Front-Wheel Drive Automatic 4-spd PremiumSOHC (FFS)162319605.315.7$4,100467.7368421052632n/a

How the rating has moved between model years

Comparing the best-rated configuration of each year. 1 of 3 year-over-year steps improved the top rating.

ChangeBest combinedDeltaGallons a year at the newer rating
1992 → 199319 → 18 mpg-1 mpg639 gal
1994 → 199518 → 19 mpg+1 mpg605 gal
1997 → 199819 → 18 mpg-1 mpg639 gal

What Diamante fuel costs over a year

At the EPA's 11,500 miles a year, the 2002 Mitsubishi Diamante burns 639 to 639 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

Pump priceMost efficientThirstiestSpread
$3.00/gal$1,917$1,917$0
$3.50/gal$2,236$2,236$0
$4.00/gal$2,556$2,556$0

EPA’s own estimate for the 2002 model year is $4,300 to $4,300 a year in fuel, or $10,250 more than the average new vehicle over five years.

How it compares with other Compact Cars

Across the 498 nameplates EPA classifies as Compact Cars, the median best combined rating is 26 mpg. At 18 mpg the Mitsubishi Diamante is 8 mpg below the median, which is worth about $688 a year at $3.50 a gallon.

Other Mitsubishi nameplates

Every Mitsubishi model compared → — all nameplates ranked by best combined rating, with what each one costs a year.