Fuel tank capacity
13.6gal · 51 L
The 1990 Buick Skylark has a fuel tank capacity of 13.6 gallons (51 liters) on every trim.
A full tank is good for roughly 394 highway miles or 272 miles around town, going by the EPA ratings.
13.6 gal · Smaller than 88% of 1990 models we list.
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 2dr Coupe 2.5L 4cyl 3A · FWD MPG 20 / 29Range 272 / 394 mi | 2.5L 4cyl 3A | FWD | 13.6 gal51 L | 20 / 29 | 272 / 394 mi | |
| 4dr Sedan 2.5L 4cyl 3A · FWD MPG 20 / 29Range 272 / 394 mi | 2.5L 4cyl 3A | FWD | 13.6 gal51 L | 20 / 29 | 272 / 394 mi | |
| Custom 2dr Coupe 2.5L 4cyl 3A · FWD MPG 20 / 29Range 272 / 394 mi | 2.5L 4cyl 3A | FWD | 13.6 gal51 L | 20 / 29 | 272 / 394 mi | |
| Custom 4dr Sedan 2.5L 4cyl 3A · FWD MPG 20 / 29Range 272 / 394 mi | 2.5L 4cyl 3A | FWD | 13.6 gal51 L | 20 / 29 | 272 / 394 mi | |
| Gran Sport 2dr Coupe 2.5L 4cyl 3A · FWD MPG 20 / 29Range 272 / 394 mi | 2.5L 4cyl 3A | FWD | 13.6 gal51 L | 20 / 29 | 272 / 394 mi | |
| Luxury 4dr Sedan 2.5L 4cyl 3A · FWD MPG 20 / 29Range 272 / 394 mi | 2.5L 4cyl 3A | FWD | 13.6 gal51 L | 20 / 29 | 272 / 394 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 23 MPG, a full 13.6-gallon tank covers about 313 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 13.6 | 394 | 272 |
| 3/4 | 10.2 | 296 | 204 |
| 1/2 | 6.8 | 197 | 136 |
| 1/4 | 3.4 | 99 | 68 |
| 1/8 | 1.7 | 49 | 34 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 652 gallons, roughly 48 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.
$58.07 to fill the 13.6-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 |
|---|---|---|---|---|
| 13.6 gal | Regular | $4.27 | $58.07 | $43.55 |
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $54.67 |
| Midwest | $4.27 | $58.07 |
| Gulf CoastLowest | $3.70 | $50.32 |
| Rocky Mountain | $4.46 | $60.66 |
| West Coast | $5.42 | $73.71 |
| CaliforniaHighest | $5.89 | $80.10 |
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 Skylark model year we list.
| Model year | Tank | Longest highway range |
|---|---|---|
| 1995 Skylark | 15.2 gal | 426 mi |
| 1994 Skylark | 15.2 gal | 441 mi |
| 1993 Skylark | 15.2 gal | 441 mi |
| 1992 Skylark | 15.2 gal | 441 mi |
| 1991 Skylark | 13.6 gal | 381 mi |
| 1990 Skylark | 13.6 gal | 394 mi |
At 13.6 gallons, the Skylark's largest tank ranks second of the five 1990 sedans compared here. The Mazda MX-6 carries the most (15.9 gal) and the Chevrolet Cavalier the least (13.6 gal).
| 1990 model | Tank | Longest highway range |
|---|---|---|
| Mazda MX-6 | 15.9 gal | 445 mi |
| Buick Skylark | 13.6 gal | 394 mi |
| Oldsmobile Cutlass Calais | 13.6 gal | 408 mi |
| Pontiac Grand Am | 13.6 gal | 408 mi |
| Chevrolet Cavalier | 13.6 gal | 449 mi |
Other 1990 sedans of a similar size, one model per brand.
NHTSA lists 1 fuel-system recall for the 1990 Buick Skylark, out of 1 recall in total. A recall applies only to the vehicles named in it, so check your VIN.
Improperly torqued connections of front fuel feed and return hoses to fuel pipes at the body rail could loosen and leak fuel into the underhood area.
Risk: Fuel leaks in the presence of an ignition source, couldresult in an underhood fire.
Remedy: Properly torque the front fuel feed and return hoses at the body rail lines to prevent fuel leakage.
The 1990 Buick Skylark holds 13.6 gallons (51 liters) on every trim we list.
The 1990 Buick Skylark tank holds 51 liters, or 13.6 gallons in US gallons.
About 394 miles on the highway and 272 miles in town, going from full to empty at its EPA ratings. Expect less in practice, since nobody runs the tank dry.
About 99 highway miles or 68 in town from the 13.6-gallon tank, which has roughly 3.4 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 13.6-gallon tank from empty costs $58.07. It ranges from $50.32 in the Gulf Coast to $80.10 in California.
About 84 pounds for the 13.6-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
No, they match: both top out at 13.6 gallons in 1990.
Yes. NHTSA lists 1 fuel-system recall for the 1990 Buick Skylark: 90V119000 (delivery · hoses, lines/piping, and fittings). 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.