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 Volvo S40 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 22 MPG, a full 15.9-gallon tank covers about 350 miles.
Gauge
Gallons
Highway miles
City miles
Full
15.9
429
302
3/4
11.9
322
227
1/2
8.0
215
151
1/4
4.0
107
76
1/8
2.0
54
38
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 682 gallons, roughly 43 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.
NHTSA lists 1 fuel-system recall for the 2003 Volvo S40, out of 2 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
What is the fuel tank capacity of the 2003 Volvo S40?
The 2003 Volvo S40 holds 15.9 gallons (60 liters).
How many gallons and liters does the 2003 Volvo S40 gas tank hold?
The 2003 Volvo S40 tank holds 60 liters, or 15.9 gallons in US gallons.
How far can a 2003 Volvo S40 go on a full tank?
About 429 miles on the highway and 302 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 Volvo S40 go on a quarter tank?
About 107 highway miles or 76 in town from the 15.9-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 2003 Volvo S40 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 Volvo S40?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 15.9-gallon tank from empty costs $83.95. It ranges from $72.66 in the Gulf Coast to $101.12 in California.
How much does a full tank of gas weigh in a 2003 Volvo S40?
About 99 pounds for the 15.9-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Has the 2003 Volvo S40 had a fuel pump or fuel system recall?
Yes. NHTSA lists 1 fuel-system recall for the 2003 Volvo S40: 03V424000 (fuel system). 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).