1991 Chrysler Imperial Gas Tank Size & Fuel Capacity
Fuel tank capacity
16.0gal · 61 L
The 1991 Chrysler Imperial has a fuel tank capacity of 16.0 gallons (61 liters).
A full tank is good for roughly 368 highway miles or 240 miles around town, going by the EPA ratings.
16.0 gal · Smaller than 64% of 1991 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
1991 Chrysler Imperial fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 4dr Sedan 3.8L 6cyl 4A · FWD MPG 15 / 23Range 240 / 368 mi | 3.8L 6cyl 4A | FWD | 16.0 gal61 L | 15 / 23 | 240 / 368 mi | |
| No trim matches all of these filters. | ||||||
Tank figures are the manufacturer's rated capacity, sorted smallest tank first. Range is tank size times EPA city or highway MPG.
How far a 1991 Chrysler Imperial goes on a tank
Gallons left and the distance they cover at each mark on the fuel gauge, at EPA city and highway mileage. At the combined rating of 18 MPG, a full 16.0-gallon tank covers about 288 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 16.0 | 368 | 240 |
| 3/4 | 12.0 | 276 | 180 |
| 1/2 | 8.0 | 184 | 120 |
| 1/4 | 4.0 | 92 | 60 |
| 1/8 | 2.0 | 46 | 30 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 833 gallons, roughly 52 full tanks.
Fuel gauges aren't perfectly linear and the low-fuel light comes on with a few gallons still in the tank, so plan your stop before the last eighth.
What it costs to fill up a 1991 Chrysler Imperial
$68.32 to fill the 16.0-gallon tank from empty with regular, at this week's US average of $4.27 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 16.0 gal | Regular | $4.27 | $68.32 | $51.24 |
By region, 16.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $64.32 |
| Midwest | $4.27 | $68.32 |
| Gulf CoastLowest | $3.70 | $59.20 |
| Rocky Mountain | $4.46 | $71.36 |
| West Coast | $5.42 | $86.72 |
| CaliforniaHighest | $5.89 | $94.24 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 16.0-gallon tank$68.32
- A year of driving (15,000 mi)$3,558
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Imperial tank size in other years
The 1991 Imperial uses the same 16.0 gal tank as the 1990 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 1993 Imperial | 16.0 gal | 384 mi |
| 1992 Imperial | 16.0 gal | 368 mi |
| 1991 Imperial | 16.0 gal | 368 mi |
| 1990 Imperial | 16.0 gal | 368 mi |
1991 Chrysler Imperial vs similar 1991 sedans
At 16.0 gallons, the Imperial's largest tank ranks fifth of the six 1991 sedans compared here. The Mazda 929 carries the most (18.5 gal) and the Mercury Sable the least (16.0 gal).
| 1991 model | Tank | Longest highway range |
|---|---|---|
| Mazda 929 | 18.5 gal | 389 mi |
| Buick Park Avenue | 18.0 gal | 432 mi |
| Oldsmobile Ninety-Eight | 18.0 gal | 432 mi |
| Pontiac Bonneville | 18.0 gal | 468 mi |
| Chrysler Imperial | 16.0 gal | 368 mi |
| Mercury Sable | 16.0 gal | 416 mi |
Other 1991 sedans of a similar size, one model per brand.
1991 Chrysler Imperial fuel system recalls
None of the 3 recalls NHTSA lists for the 1991 Chrysler Imperial involve the fuel system.
1991 Chrysler Imperial fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 1991 Chrysler Imperial, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.
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Frequently asked questions
What is the fuel tank capacity of the 1991 Chrysler Imperial?
The 1991 Chrysler Imperial holds 16.0 gallons (61 liters).
How many gallons and liters does the 1991 Chrysler Imperial gas tank hold?
The 1991 Chrysler Imperial tank holds 61 liters, or 16.0 gallons in US gallons.
How far can a 1991 Chrysler Imperial go on a full tank?
About 368 miles on the highway and 240 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
How many miles can a 1991 Chrysler Imperial go on a quarter tank?
About 92 highway miles or 60 in town from the 16.0-gallon tank, which has roughly 4.0 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 1991 Chrysler Imperial take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 1991 Chrysler Imperial?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 16.0-gallon tank from empty costs $68.32. It ranges from $59.20 in the Gulf Coast to $94.24 in California.
How much does a full tank of gas weigh in a 1991 Chrysler Imperial?
About 99 pounds for the 16.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 1991 Chrysler Imperial have a bigger gas tank than the Buick Park Avenue?
No. The 1991 Buick Park Avenue holds up to 18.0 gallons; the 1991 Chrysler Imperial holds up to 16.0.
Has the 1991 Chrysler Imperial had a fuel pump or fuel system recall?
No. None of the 3 recalls NHTSA lists for the 1991 Chrysler Imperial involve the fuel system.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings. Range is tank size times EPA MPG.
- Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).
- Recalls: NHTSA recall database (Chrysler fuel system recalls).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.