2025 Mazda 3 Gas Tank Size & Fuel Capacity
Fuel tank capacity
12.7–13.2gal · 48–50 L
The 2025 Mazda 3 has a fuel tank capacity of 12.7 to 13.2 gallons (48–50 liters), depending on the trim. The most common size is 13.2 gallons, used on 7 trims.
A full tank is good for roughly 394–488 highway miles or 292–356 miles around town, going by the EPA ratings.
13.2 gal · Smaller than 92% of 2025 models we list.
2025 Mazda 3 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- Engine
All 13 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | Fuel | MPG city / hwy | Range city / hwy |
|---|---|---|---|---|---|---|
| 2.5 Carbon Turbo 4dr Hatchback AWD 2.5L 4cyl Turbo 6A · AWD · Premium (recommended) MPG 23 / 31Range 292 / 394 mi | 2.5L 4cyl Turbo 6A | AWD | 12.7 gal48 L | Premiumrecommended | 23 / 31 | 292 / 394 mi |
| 2.5 Carbon Turbo 4dr Sedan AWD 2.5L 4cyl Turbo 6A · AWD · Premium (recommended) MPG 23 / 32Range 292 / 406 mi | 2.5L 4cyl Turbo 6A | AWD | 12.7 gal48 L | Premiumrecommended | 23 / 32 | 292 / 406 mi |
| 2.5 S Carbon Edition 4dr Hatchback AWD 2.5L 4cyl 6A · AWD · Regular MPG 26 / 33Range 330 / 419 mi | 2.5L 4cyl 6A | AWD | 12.7 gal48 L | Regular | 26 / 33 | 330 / 419 mi |
| 2.5 S Carbon Edition 4dr Sedan AWD 2.5L 4cyl 6A · AWD · Regular MPG 26 / 35Range 330 / 445 mi | 2.5L 4cyl 6A | AWD | 12.7 gal48 L | Regular | 26 / 35 | 330 / 445 mi |
| 2.5 Turbo Premium Plus 4dr Hatchback AWD 2.5L 4cyl Turbo 6A · AWD · Premium (recommended) MPG 23 / 31Range 292 / 394 mi | 2.5L 4cyl Turbo 6A | AWD | 12.7 gal48 L | Premiumrecommended | 23 / 31 | 292 / 394 mi |
| 2.5 Turbo Premium Plus 4dr Sedan AWD 2.5L 4cyl Turbo 6A · AWD · Premium (recommended) MPG 23 / 32Range 292 / 406 mi | 2.5L 4cyl Turbo 6A | AWD | 12.7 gal48 L | Premiumrecommended | 23 / 32 | 292 / 406 mi |
| 2.5 S 4dr Hatchback 2.5L 4cyl 6A · FWD · Regular MPG 27 / 35Range 356 / 462 mi | 2.5L 4cyl 6A | FWD | 13.2 gal50 L | Regular | 27 / 35 | 356 / 462 mi |
| 2.5 S 4dr Sedan 2.5L 4cyl 6A · FWD · Regular MPG 27 / 37Range 356 / 488 mi | 2.5L 4cyl 6A | FWD | 13.2 gal50 L | Regular | 27 / 37 | 356 / 488 mi |
| 2.5 S Preferred 4dr Hatchback 2.5L 4cyl 6A · FWD · Regular MPG 27 / 35Range 356 / 462 mi | 2.5L 4cyl 6A | FWD | 13.2 gal50 L | Regular | 27 / 35 | 356 / 462 mi |
| 2.5 S Preferred 4dr Sedan 2.5L 4cyl 6A · FWD · Regular MPG 27 / 37Range 356 / 488 mi | 2.5L 4cyl 6A | FWD | 13.2 gal50 L | Regular | 27 / 37 | 356 / 488 mi |
| 2.5 S Premium 4dr Hatchback 2.5L 4cyl 6M · FWD · Regular MPG 26 / 36Range 343 / 475 mi | 2.5L 4cyl 6M | FWD | 13.2 gal50 L | Regular | 26 / 36 | 343 / 475 mi |
| 2.5 S Select Sport 4dr Hatchback 2.5L 4cyl 6A · FWD · Regular MPG 27 / 35Range 356 / 462 mi | 2.5L 4cyl 6A | FWD | 13.2 gal50 L | Regular | 27 / 35 | 356 / 462 mi |
| 2.5 S Select Sport 4dr Sedan 2.5L 4cyl 6A · FWD · Regular MPG 27 / 37Range 356 / 488 mi | 2.5L 4cyl 6A | FWD | 13.2 gal50 L | Regular | 27 / 37 | 356 / 488 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 2025 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 30 MPG, a full 13.2-gallon tank covers about 396 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 13.2 | 462 | 356 |
| 3/4 | 9.9 | 346 | 267 |
| 1/2 | 6.6 | 231 | 178 |
| 1/4 | 3.3 | 116 | 89 |
| 1/8 | 1.7 | 58 | 45 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 500 gallons, roughly 38 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.
- EPA combined
- 26–31 MPG
- Tailpipe CO2
- 287–337 g/mi
- EPA greenhouse score
- 5–6 of 10
- Source
- EPA ratings
What it costs to fill up a 2025 Mazda 3
$56.36 to fill the 13.2-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 |
|---|---|---|---|---|
| 12.7 gal | Regular | $4.27 | $54.23 | $40.67 |
| 13.2 gal | Regular | $4.27 | $56.36 | $42.27 |
| 12.7 gal | Premium | $5.28 | $67.06 | $50.29 |
By region, 13.2-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $53.06 |
| Midwest | $4.27 | $56.36 |
| Gulf CoastLowest | $3.70 | $48.84 |
| Rocky Mountain | $4.46 | $58.87 |
| West Coast | $5.42 | $71.54 |
| CaliforniaHighest | $5.89 | $77.75 |
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
- 12.7-gallon tank$54.23
- 13.2-gallon tank$56.36
- A year of driving (15,000 mi)$2,135
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 2025 3 uses the same 12.7–13.2 gal tank sizes as every 3 since 2019.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2026 3 | 12.7–13.2 gal | 475 mi |
| 2025 3 | 12.7–13.2 gal | 488 mi |
| 2024 3 | 12.7–13.2 gal | 488 mi |
| 2023 3 | 12.7–13.2 gal | 488 mi |
| 2022 3 | 12.7–13.2 gal | 475 mi |
| 2021 3 | 12.7–13.2 gal | 475 mi |
| 2020 3 | 12.7–13.2 gal | 475 mi |
2025 Mazda 3 vs similar 2025 sedans
At 13.2 gallons, the 3's largest tank ranks second of the four 2025 sedans compared here. The Subaru Impreza carries the most (16.6 gal) and the Volkswagen Golf GTI the least (13.2 gal).
| 2025 model | Tank | Longest highway range |
|---|---|---|
| Subaru Impreza | 16.6 gal | 564 mi |
| Mazda 3 | 12.7–13.2 gal | 488 mi |
| Toyota Corolla Hatchback | 13.2 gal | 541 mi |
| Volkswagen Golf GTI | 13.2 gal | 422 mi |
Other 2025 sedans of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2025 Mazda 3?
The 2025 Mazda 3 holds between 12.7 and 13.2 gallons, depending on the trim. 13.2 gallons is the usual size; the smaller 12.7-gallon tank is on the 2.5 Carbon Turbo 4dr Hatchback AWD.
How many gallons and liters does the 2025 Mazda 3 gas tank hold?
The 2025 Mazda 3 tank holds 48–50 liters, or 12.7–13.2 gallons in US gallons.
Which 2025 Mazda 3 has the biggest gas tank?
The 13.2-gallon tank is on the 2.5 S 4dr Hatchback, 2.5 S 4dr Sedan, 2.5 S Preferred 4dr Hatchback and 4 other trims. The smallest tank, 12.7 gallons, is on the 2.5 Carbon Turbo 4dr Hatchback AWD.
Does AWD change the 2025 Mazda 3 gas tank?
Yes. AWD: 12.7 gal; FWD: 13.2 gal.
How far can a 2025 Mazda 3 go on a full tank?
About 394–488 miles on the highway and 292–356 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 2025 Mazda 3 go on a quarter tank?
About 116 highway miles or 89 in town from the 13.2-gallon tank, which has roughly 3.3 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2025 Mazda 3 take?
Regular unleaded, or Premium unleaded (recommended), depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2025 Mazda 3?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 13.2-gallon tank from empty costs $56.36. It ranges from $48.84 in the Gulf Coast to $77.75 in California.
How much does a full tank of gas weigh in a 2025 Mazda 3?
About 82 pounds for the 13.2-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2025 Mazda 3 have a bigger gas tank than the Toyota Corolla Hatchback?
No, they match: both top out at 13.2 gallons in 2025.
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).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.