2005 Mazda 3 Gas Tank Size & Fuel Capacity
Fuel tank capacity
14.5gal · 55 L
The 2005 Mazda 3 has a fuel tank capacity of 14.5 gallons (55 liters) on every trim.
A full tank is good for roughly 421–464 highway miles or 319–348 miles around town, going by the EPA ratings.
14.5 gal · Smaller than 89% of 2005 models we list.
2005 Mazda 3 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
- no difference
All 5 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| SP23 Special Edition 4dr Hatchback 2.3L 4cyl 5M · FWD MPG 22 / 29Range 319 / 421 mi | 2.3L 4cyl 5M | FWD | 14.5 gal55 L | 22 / 29 | 319 / 421 mi | |
| SP23 Special Edition 4dr Sedan 2.3L 4cyl 5M · FWD MPG 22 / 29Range 319 / 421 mi | 2.3L 4cyl 5M | FWD | 14.5 gal55 L | 22 / 29 | 319 / 421 mi | |
| i 4dr Sedan 2.0L 4cyl 5M · FWD MPG 24 / 32Range 348 / 464 mi | 2.0L 4cyl 5M | FWD | 14.5 gal55 L | 24 / 32 | 348 / 464 mi | |
| s 4dr Hatchback 2.3L 4cyl 5M · FWD MPG 22 / 29Range 319 / 421 mi | 2.3L 4cyl 5M | FWD | 14.5 gal55 L | 22 / 29 | 319 / 421 mi | |
| s 4dr Sedan 2.3L 4cyl 5M · FWD MPG 22 / 29Range 319 / 421 mi | 2.3L 4cyl 5M | FWD | 14.5 gal55 L | 22 / 29 | 319 / 421 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.
How far a 2005 Mazda 3 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 25 MPG, a full 14.5-gallon tank covers about 363 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 14.5 | 421 | 319 |
| 3/4 | 10.9 | 315 | 239 |
| 1/2 | 7.3 | 210 | 160 |
| 1/4 | 3.6 | 105 | 80 |
| 1/8 | 1.8 | 53 | 40 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 600 gallons, roughly 41 full tanks.
In real driving: owners who log fill-ups at fueleconomy.gov average 29.2 MPG in the 3 (22 drivers), about 423 miles on a full 14.5-gallon tank.
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.
- EPA combined
- 25–27 MPG
- Tailpipe CO2
- 329–355 g/mi
- Source
- EPA ratings
What it costs to fill up a 2005 Mazda 3
$61.91 to fill the 14.5-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 |
|---|---|---|---|---|
| 14.5 gal | Regular | $4.27 | $61.91 | $46.44 |
By region, 14.5-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $58.29 |
| Midwest | $4.27 | $61.91 |
| Gulf CoastLowest | $3.70 | $53.65 |
| Rocky Mountain | $4.46 | $64.67 |
| West Coast | $5.42 | $78.59 |
| CaliforniaHighest | $5.89 | $85.41 |
Prices: U.S. Energy Information Administration retail averages for the week of October 26, 2026. This week's prices by state and city.
Your own price
- 14.5-gallon tank$61.91
- A year of driving (15,000 mi)$2,562
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
3 tank size in other years
The 2005 3 uses the same 14.5 gal tank as the 2004 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2010 3 | 14.5–15.9 gal | 479 mi |
| 2009 3 | 14.5 gal | 464 mi |
| 2008 3 | 14.5 gal | 464 mi |
| 2007 3 | 14.5 gal | 464 mi |
| 2006 3 | 14.5 gal | 464 mi |
| 2005 3 | 14.5 gal | 464 mi |
| 2004 3 | 14.5 gal | 464 mi |
2005 Mazda 3 vs similar 2005 sedans
The 3 has the largest tank of the seven 2005 sedans compared here, 14.5 gallons against 14.5 for the Suzuki Forenza.
| 2005 model | Tank | Longest highway range |
|---|---|---|
| Mazda 3 | 14.5 gal | 464 mi |
| Suzuki Forenza | 14.5 gal | 406 mi |
| Saturn ION | 13.2–13.5 gal | 422 mi |
| Mitsubishi Lancer | 13.2 gal | 409 mi |
| Nissan Sentra | 13.2 gal | 422 mi |
| Toyota Corolla | 13.2 gal | 488 mi |
| Dodge Neon | 12.5 gal | 400 mi |
Other 2005 sedans of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2005 Mazda 3?
The 2005 Mazda 3 holds 14.5 gallons (55 liters) on every trim we list.
How many gallons and liters does the 2005 Mazda 3 gas tank hold?
The 2005 Mazda 3 tank holds 55 liters, or 14.5 gallons in US gallons.
How far can a 2005 Mazda 3 go on a full tank?
About 421–464 miles on the highway and 319–348 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 2005 Mazda 3 go on a quarter tank?
About 105 highway miles or 80 in town from the 14.5-gallon tank, which has roughly 3.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
How many miles does a 2005 Mazda 3 really get on a tank?
Drivers who log their fill-ups at fueleconomy.gov average 29.2 MPG in the 2005 Mazda 3 (22 drivers), which works out to about 423 miles on a full 14.5-gallon tank.
What gas does the 2005 Mazda 3 take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2005 Mazda 3?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 14.5-gallon tank from empty costs $61.91. It ranges from $53.65 in the Gulf Coast to $85.41 in California.
How much does a full tank of gas weigh in a 2005 Mazda 3?
About 90 pounds for the 14.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2005 Mazda 3 have a bigger gas tank than the Mitsubishi Lancer?
Yes. The 2005 Mazda 3 holds up to 14.5 gallons; the 2005 Mitsubishi Lancer holds up to 13.2.
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).
- Real-world MPG: driver-reported fill-ups shared at fueleconomy.gov (My MPG).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.