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 1994 Oldsmobile Achieva 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 24 MPG, a full 15.2-gallon tank covers about 365 miles.
Gauge
Gallons
Highway miles
City miles
Full
15.2
486
319
3/4
11.4
365
239
1/2
7.6
243
160
1/4
3.8
122
80
1/8
1.9
61
40
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 625 gallons, roughly 41 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.
At 15.2 gallons, the Achieva's largest tank ranks third of the four 1994 coupes compared here. The Honda Accord carries the most (17.0 gal) and the Pontiac Grand Am the least (15.2 gal).
Other 1994 coupes of a similar size, one model per brand.
1994 Oldsmobile Achieva fuel system recalls
NHTSA lists 1 fuel-system recall for the 1994 Oldsmobile Achieva, out of 2 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Storage · Tank assemblyJul 1, 1994 · NHTSA 94V122000 · General Motors Corp. · 1,681 vehicles
These vehicles were constructed with welds in the rear compartment pan assembly that are not sufficient to comply with the requirements pertaining to fuel tank leakage in the event of a rear impact collision. The fuel tank assemblies do not comply with FMVSS no. 301, "fuel system integrity."
Risk and remedy
Risk: This can result in an increased risk of a vehicle fire in the event of a rear impact collision.
Remedy: Dealer will install rivets adjacent to the locations where the suspect welds are located.
What is the fuel tank capacity of the 1994 Oldsmobile Achieva?
The 1994 Oldsmobile Achieva holds 15.2 gallons (58 liters) on every trim we list.
How many gallons and liters does the 1994 Oldsmobile Achieva gas tank hold?
The 1994 Oldsmobile Achieva tank holds 58 liters, or 15.2 gallons in US gallons.
How far can a 1994 Oldsmobile Achieva go on a full tank?
About 410–486 miles on the highway and 274–319 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 1994 Oldsmobile Achieva go on a quarter tank?
About 122 highway miles or 80 in town from the 15.2-gallon tank, which has roughly 3.8 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 1994 Oldsmobile Achieva take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 1994 Oldsmobile Achieva?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 15.2-gallon tank from empty costs $64.90. It ranges from $56.24 in the Gulf Coast to $89.53 in California.
How much does a full tank of gas weigh in a 1994 Oldsmobile Achieva?
About 94 pounds for the 15.2-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 1994 Oldsmobile Achieva have a bigger gas tank than the Pontiac Grand Am?
No, they match: both top out at 15.2 gallons in 1994.
Has the 1994 Oldsmobile Achieva had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 1994 Oldsmobile Achieva: 94V122000 (storage · tank assembly). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
Sources
Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
MPG and range: EPA ratings (fueleconomy.gov). Range is tank size times EPA MPG.
Fuel prices: U.S. Energy Information Administration, week of October 26, 2026 (this week's prices).