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 2003 Oldsmobile Aurora 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 17.5-gallon tank covers about 315 miles.
Gauge
Gallons
Highway miles
City miles
Full
17.5
420
263
3/4
13.1
315
197
1/2
8.8
210
131
1/4
4.4
105
66
1/8
2.2
53
33
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 833 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.
Other 2003 sedans of a similar size, one model per brand.
2003 Oldsmobile Aurora fuel system recalls
NHTSA lists 1 fuel-system recall for the 2003 Oldsmobile Aurora, out of 2 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Storage · Tank assemblyJul 1, 2003 · NHTSA 03V238000 · General Motors Corp. · 102,212 vehicles
On certain cadillac deville and seville passenger vehicles, funeral coaches, and limousines equipped with a v8 (4.6l) engine, oldsmobile aurora passenger vehicles equipped with a v8 (4.0l ) engine, and pontiac bonneville ssei passenger vehicles equipped with a supercharged v6 (3.8l) engine, the fuel tank pressure sensors are unusually susceptible to malfunctions. If the sensor malfunctions, excessive vacuum can be applied during self-diagnostic testing.
Risk and remedy
Risk: Fuel system components can be damaged and fuel can leak from the vehicle when it is refueled. Fuel leakage in the presence of an ignition source can result in a fire.
Remedy: Dealers will replace the fuel tank pressure sensor. Owner notification began on october 17, 2003. Owners should contact cadillac at 1-866-982-2339; oldsmobile at 1-800-630-6537; or pontiac at 1-800-620-7668.
What is the fuel tank capacity of the 2003 Oldsmobile Aurora?
The 2003 Oldsmobile Aurora holds 17.5 gallons (66 liters).
How many gallons and liters does the 2003 Oldsmobile Aurora gas tank hold?
The 2003 Oldsmobile Aurora tank holds 66 liters, or 17.5 gallons in US gallons.
How far can a 2003 Oldsmobile Aurora go on a full tank?
About 420 miles on the highway and 263 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 2003 Oldsmobile Aurora go on a quarter tank?
About 105 highway miles or 66 in town from the 17.5-gallon tank, which has roughly 4.4 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2003 Oldsmobile Aurora take?
Premium unleaded (required). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2003 Oldsmobile Aurora?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 17.5-gallon tank from empty costs $92.40. It ranges from $79.98 in the Gulf Coast to $111.30 in California.
How much does a full tank of gas weigh in a 2003 Oldsmobile Aurora?
About 109 pounds for the 17.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2003 Oldsmobile Aurora have a bigger gas tank than the Hyundai XG350?
No. The 2003 Hyundai XG350 holds up to 18.5 gallons; the 2003 Oldsmobile Aurora holds up to 17.5.
Has the 2003 Oldsmobile Aurora had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2003 Oldsmobile Aurora: 03V238000 (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).