Fuel tank capacity
22.0–24.5gal · 83–93 L
The 1990 Chevrolet Caprice has a fuel tank capacity of 22.0 to 24.5 gallons (83–93 liters), depending on the trim. The most common size is 24.5 gallons, used on 4 trims.
A full tank is good for roughly 484–564 highway miles or 330–368 miles around town, going by the EPA ratings.
24.5 gal · Bigger than 89% of 1990 models we list.
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Classic 4dr Wagon 5.0L 8cyl 4A · RWD MPG 15 / 22Range 330 / 484 mi | 5.0L 8cyl 4A | RWD | 22.0 gal83 L | 15 / 22 | 330 / 484 mi | |
| 4dr Sedan 5.0L 8cyl 4A · RWD MPG 15 / 23Range 368 / 564 mi | 5.0L 8cyl 4A | RWD | 24.5 gal93 L | 15 / 23 | 368 / 564 mi | |
| Classic 4dr Sedan 5.0L 8cyl 4A · RWD MPG 15 / 23Range 368 / 564 mi | 5.0L 8cyl 4A | RWD | 24.5 gal93 L | 15 / 23 | 368 / 564 mi | |
| Classic Brougham 4dr Sedan 5.0L 8cyl 4A · RWD MPG 15 / 23Range 368 / 564 mi | 5.0L 8cyl 4A | RWD | 24.5 gal93 L | 15 / 23 | 368 / 564 mi | |
| Classic LS Brougham 4dr Sedan 5.0L 8cyl 4A · RWD MPG 15 / 23Range 368 / 564 mi | 5.0L 8cyl 4A | RWD | 24.5 gal93 L | 15 / 23 | 368 / 564 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.
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 24.5-gallon tank covers about 441 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 24.5 | 564 | 368 |
| 3/4 | 18.4 | 423 | 276 |
| 1/2 | 12.3 | 282 | 184 |
| 1/4 | 6.1 | 141 | 92 |
| 1/8 | 3.1 | 70 | 46 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 833 gallons, roughly 34 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.
$104.61 to fill the 24.5-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 |
|---|---|---|---|---|
| 22.0 gal | Regular | $4.27 | $93.94 | $70.45 |
| 24.5 gal | Regular | $4.27 | $104.61 | $78.46 |
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $98.49 |
| Midwest | $4.27 | $104.61 |
| Gulf CoastLowest | $3.70 | $90.65 |
| Rocky Mountain | $4.46 | $109.27 |
| West Coast | $5.42 | $132.79 |
| CaliforniaHighest | $5.89 | $144.30 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
1990 is the first Caprice model year we list.
| Model year | Tank | Longest highway range |
|---|---|---|
| 1995 Caprice | 21.0–23.0 gal | 552 mi |
| 1994 Caprice | 22.0–23.0 gal | 552 mi |
| 1993 Caprice | 22.0–23.0 gal | 552 mi |
| 1992 Caprice | 22.0–23.0 gal | 552 mi |
| 1991 Caprice | 22.0–23.0 gal | 552 mi |
| 1990 Caprice | 22.0–24.5 gal | 564 mi |
The Caprice has the largest tank of the two 1990 sedans compared here, 24.5 gallons against 16.0 for the Chrysler Imperial.
| 1990 model | Tank | Longest highway range |
|---|---|---|
| Chevrolet Caprice | 22.0–24.5 gal | 564 mi |
| Chrysler Imperial | 16.0 gal | 368 mi |
Other 1990 sedans of a similar size, one model per brand.
NHTSA lists 1 fuel-system recall for the 1990 Chevrolet Caprice, out of 1 recall in total. A recall applies only to the vehicles named in it, so check your VIN.
Plastic fuel filter assemblies may develop leaks.
Risk: Fuel leaks could result in a vehicle fire due to staticcharge build ups found in the plastic fuel lines and fuel filter which may actas an ignition source.
Remedy: Replace plastic assembly with metal fuel filter and bracket.
The 1990 Chevrolet Caprice holds between 22.0 and 24.5 gallons, depending on the trim. 24.5 gallons is the usual size; the smaller 22.0-gallon tank is on the Classic 4dr Wagon.
The 1990 Chevrolet Caprice tank holds 83–93 liters, or 22.0–24.5 gallons in US gallons.
The 24.5-gallon tank is on the 4dr Sedan, Classic 4dr Sedan, Classic Brougham 4dr Sedan and 1 other trim. The smallest tank, 22.0 gallons, is on the Classic 4dr Wagon.
About 484–564 miles on the highway and 330–368 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
About 141 highway miles or 92 in town from the 24.5-gallon tank, which has roughly 6.1 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
Regular unleaded. The label inside the fuel door confirms it for your car.
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 24.5-gallon tank from empty costs $104.61. It ranges from $90.65 in the Gulf Coast to $144.30 in California.
About 152 pounds for the 24.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Yes. The 1990 Chevrolet Caprice holds up to 24.5 gallons; the 1990 Chrysler Imperial holds up to 16.0.
Yes. NHTSA lists 1 fuel-system recall for the 1990 Chevrolet Caprice: 90V096000 (storage). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.