The Dodge Monaco does 18.7 mpg combined (15.7 city, 24 highway), which works out to about $2,053 a year in fuel at $3.20 a gallon and 12,000 miles. Against other V6 cars it sits below the average of 19.9 mpg.
Every Dodge Monaco engine, compared
The Dodge Monaco was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 3L 6-cyl | 15.7 / 24 | 1990–1992 | $2,053 |
What that actually costs
The Dodge Monaco burns a gallon every 18.7 miles, so 12,000 miles takes about 642 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.171 |
| Fuel per year | $2,053 |
| Fuel over five years | $10,265 |
| Against other V6 cars | +$123 a year |
| EPA's own estimate | $3,350 a year |
City or highway — who is this car for
The Dodge Monaco gives up 8.3 mpg the moment you leave the motorway — 24 out there against 15.7 in town, a 53% drop worth $846 a year. A wide gap punishes stop-and-start traffic; a narrow one means the car doesn't care where you drive it.
| Measure | Value | Reading |
|---|---|---|
| City | 15.7 mpg | $2,446 a year if you only drive in town |
| Highway | 24 mpg | $1,600 a year if you mostly commute |
| Gap | +8.3 mpg (53%) | Wide — this car dislikes traffic |
How the Monaco changed over the years
The Monaco peaked in 1992 at 19 mpg (16 city, 24 highway) and was at its thirstiest in 1990 at 18 — 1 mpg apart, or $112 a year in fuel between buying one year and the other. The 1992 car does 19.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 1992 | 16 / 24 | 1 | $2,021 | |
| 1991 | 16 / 24 | 1 | $2,021 | |
| 1990 | 15 / 24 | 1 | $2,133 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 3 EPA ratings of the Dodge Monaco — 1 engine across 1990–1992. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $3,350. Full method.
Frequently asked questions
What mpg does the Dodge Monaco get?
18.7 mpg combined on average — 15.7 in the city and 24 on the highway, per EPA ratings across 1990–1992.
How much does a Dodge Monaco cost in fuel per year?
About $2,053 at 12,000 miles and $3.20 a gallon — roughly $10,265 over five years, or 0.171 dollars a mile.
Which Monaco engine is the most economical?
The 3L 6-cyl at 18.7 mpg.
Is the Monaco good on fuel compared with similar cars?
Against other V6 cars it sits below the average of 19.9 mpg, computed across 4940 ratings.
Are these real-world Monaco figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Dodge Monaco is $3,350 against the $2,053 we compute at 12,000 miles. Expect a little worse in practice: the spread between the city and highway figures is smaller than the spread between two drivers of the same one.
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