Mercury Grand Marquis Wagon MPG by year — every rating on record
The Mercury Grand Marquis Wagon has a combined EPA fuel economy rating for 8 model years, from 1984 to 1991. Across those years its best rated version returned 19 mpg (1986) and its thirstiest returned 15 mpg (1984). The EPA record holds 9 configurations for this nameplate, most recently a Midsize-Large Station Wagons.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 1984 | 2 | 16 mpg | 15 mpg | #6 of 6 (0th pct) | n/a | Regular | Midsize-Large Station Wagons |
| 1985 | 1 | 17 mpg | 17 mpg | #20 of 20 (0th pct) | Rear-Wheel Drive | Regular | Midsize-Large Station Wagons |
| 1986 | 1 | 19 mpg | 19 mpg | #16 of 23 (32th pct) | Rear-Wheel Drive | Regular | Midsize-Large Station Wagons |
| 1987 | 1 | 19 mpg | 19 mpg | #19 of 24 (22th pct) | Rear-Wheel Drive | Regular | Midsize-Large Station Wagons |
| 1988 | 1 | 18 mpg | 18 mpg | #21 of 25 (17th pct) | Rear-Wheel Drive | Regular | Midsize-Large Station Wagons |
| 1989 | 1 | 18 mpg | 18 mpg | #15 of 21 (30th pct) | Rear-Wheel Drive | Regular | Midsize-Large Station Wagons |
| 1990 | 1 | 18 mpg | 18 mpg | #17 of 22 (24th pct) | Rear-Wheel Drive | Regular | Midsize-Large Station Wagons |
| 1991 | 1 | 18 mpg | 18 mpg | #12 of 18 (35th pct) | Rear-Wheel Drive | Regular | Midsize-Large Station Wagons |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Mercury Grand Marquis Wagon placed highest in 1984 at #6 of 6, and lowest in 1988 at #21 of 25. It spent 0 of its 8 ranked years in the top half of its class.
Every configuration on record
All 9 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | 5.0L 8-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1990 | 5.0L 8-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1989 | 5.0L 8-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1988 | 5.0L 8-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1987 | 5.0L 8-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 16 | 24 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1986 | 5.0L 8-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 16 | 24 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1985 | 5.0L 8-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 14 | 22 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1984 | 5.0L 8-cyl Automatic 4-spd Regular | (FFS) CA model | 13 | 19 | 15 | 766.7 | 19.8 | $4,150 | 592.4666666666667 | n/a |
| 1984 | 5.0L 8-cyl Automatic 4-spd Regular | (FFS) | 14 | 20 | 16 | 718.8 | 18.6 | $3,900 | 555.4375 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 2 of 3 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 1984 → 1985 | 16 → 17 mpg | +1 mpg | 676 gal |
| 1985 → 1986 | 17 → 19 mpg | +2 mpg | 605 gal |
| 1987 → 1988 | 19 → 18 mpg | -1 mpg | 639 gal |
What Grand Marquis Wagon fuel costs over a year
At the EPA's 11,500 miles a year, the 1991 Mercury Grand Marquis Wagon 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 1991 model year is $3,450 to $3,450 a year in fuel, or $6,000 more than the average new vehicle over five years.
How it compares with other Midsize-Large Station Wagons
Across the 53 nameplates EPA classifies as Midsize-Large Station Wagons, the median best combined rating is 21 mpg. At 18 mpg the Mercury Grand Marquis Wagon is 3 mpg below the median, which is worth about $319 a year at $3.50 a gallon.
- All Midsize-Large Station Wagons rankings — every nameplate in the class, best to worst.
Other Mercury nameplates
Every Mercury model compared → — all nameplates ranked by best combined rating, with what each one costs a year.