Mitsubishi Diamante Sedan MPG by year — every rating on record
The Mitsubishi Diamante Sedan has a combined EPA fuel economy rating for 3 model years, from 2003 to 2005. Across those years its best rated version returned 18 mpg (2003) and its thirstiest returned 18 mpg (2003). The EPA record holds 4 configurations for this nameplate, most recently a Midsize Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2003 | 1 | 18 mpg | 18 mpg | #38 of 46 (18th pct) | Front-Wheel Drive | Premium | Midsize Cars |
| 2004 | 2 | 18 mpg | 18 mpg | #49 of 55 (11th pct) | Front-Wheel Drive | Premium | Midsize Cars |
| 2005 | 1 | 18 mpg | 18 mpg | #50 of 56 (11th pct) | Front-Wheel Drive | Premium | Midsize 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 Sedan placed highest in 2003 at #38 of 46, and lowest in 2005 at #50 of 56. It spent 0 of its 3 ranked years in the top half of its class.
Every configuration on record
All 4 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 3.5L 6-cyl Front-Wheel Drive Automatic 4-spd Premium | SOHC | 15 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 2004 | 3.5L 6-cyl Front-Wheel Drive Automatic 4-spd Premium | SOHC | 15 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 2004 | 3.5L 6-cyl Front-Wheel Drive Automatic (S4) Premium | SOHC | 15 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 2003 | 3.5L 6-cyl Front-Wheel Drive Automatic 4-spd Premium | SOHC | 16 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
What Diamante Sedan fuel costs over a year
At the EPA's 11,500 miles a year, the 2005 Mitsubishi Diamante Sedan 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 price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $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 2005 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 Midsize Cars
Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 18 mpg the Mitsubishi Diamante Sedan is 7 mpg below the median, which is worth about $626 a year at $3.50 a gallon.
- All Midsize Cars rankings — every nameplate in the class, best to worst.
Other Mitsubishi nameplates
Every Mitsubishi model compared → — all nameplates ranked by best combined rating, with what each one costs a year.