2011 Mitsubishi Eclipse Gas Tank Size & Fuel Capacity
Fuel tank capacity
17.7gal · 67 L
The 2011 Mitsubishi Eclipse has a fuel tank capacity of 17.7 gallons (67 liters) on every trim.
A full tank is good for roughly 443–496 highway miles or 301–354 miles around town, going by the EPA ratings.
17.7 gal · Smaller than 66% of 2011 models we list.
Listed separately: 2011 Mitsubishi Eclipse Spyder (17.7 gal).
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2011 Mitsubishi Eclipse fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
- no difference
All 4 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | Fuel | MPG city / hwy | Range city / hwy |
|---|---|---|---|---|---|---|
| GS 2dr Hatchback 2.4L 4cyl 4A · FWD · Regular MPG 20 / 28Range 354 / 496 mi | 2.4L 4cyl 4A | FWD | 17.7 gal67 L | Regular | 20 / 28 | 354 / 496 mi |
| GS 2dr Hatchback 2.4L 4cyl 5M · FWD · Regular MPG 20 / 28Range 354 / 496 mi | 2.4L 4cyl 5M | FWD | 17.7 gal67 L | Regular | 20 / 28 | 354 / 496 mi |
| GS-Sport 2dr Hatchback 2.4L 4cyl 4A · FWD · Regular MPG 20 / 28Range 354 / 496 mi | 2.4L 4cyl 4A | FWD | 17.7 gal67 L | Regular | 20 / 28 | 354 / 496 mi |
| GT 2dr Hatchback 3.8L 6cyl 5A · FWD · Premium (recommended) MPG 17 / 25Range 301 / 443 mi | 3.8L 6cyl 5A | FWD | 17.7 gal67 L | Premiumrecommended | 17 / 25 | 301 / 443 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 2011 Mitsubishi Eclipse 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 23 MPG, a full 17.7-gallon tank covers about 407 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 17.7 | 496 | 354 |
| 3/4 | 13.3 | 372 | 266 |
| 1/2 | 8.9 | 248 | 177 |
| 1/4 | 4.4 | 124 | 89 |
| 1/8 | 2.2 | 62 | 44 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 652 gallons, roughly 37 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
- 20–23 MPG
- Tailpipe CO2
- 386–444 g/mi
- Source
- EPA ratings
What it costs to fill up a 2011 Mitsubishi Eclipse
$75.58 to fill the 17.7-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 |
|---|---|---|---|---|
| 17.7 gal | Regular | $4.27 | $75.58 | $56.68 |
| 17.7 gal | Premium | $5.28 | $93.46 | $70.09 |
By region, 17.7-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $71.15 |
| Midwest | $4.27 | $75.58 |
| Gulf CoastLowest | $3.70 | $65.49 |
| Rocky Mountain | $4.46 | $78.94 |
| West Coast | $5.42 | $95.93 |
| CaliforniaHighest | $5.89 | $104.25 |
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
- 17.7-gallon tank$75.58
- A year of driving (15,000 mi)$2,785
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Eclipse tank size in other years
The 2011 Eclipse uses the same 17.7 gal tank as every Eclipse since 2006.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2012 Eclipse | 17.7 gal | 496 mi |
| 2011 Eclipse | 17.7 gal | 496 mi |
| 2010 Eclipse | 17.7 gal | 496 mi |
| 2009 Eclipse | 17.7 gal | 496 mi |
| 2008 Eclipse | 17.7 gal | 496 mi |
| 2007 Eclipse | 17.7 gal | 496 mi |
| 2006 Eclipse | 17.7 gal | 496 mi |
2011 Mitsubishi Eclipse vs similar 2011 hatchbacks
The Eclipse has the largest tank of the four 2011 hatchbacks compared here, 17.7 gallons against 15.9 for the Mazda Mazdaspeed 3.
| 2011 model | Tank | Longest highway range |
|---|---|---|
| Mitsubishi Eclipse | 17.7 gal | 496 mi |
| Mazda Mazdaspeed 3 | 15.9 gal | 398 mi |
| Scion tC | 14.5 gal | 450 mi |
| Toyota Prius | 11.9 gal | 571 mi |
Other 2011 hatchbacks of a similar size, one model per brand.
2011 Mitsubishi Eclipse fuel pump and gauge parts
These are the part numbers the makers list for the 2011 Mitsubishi Eclipse. Check the fuel system recalls first: recall repairs are free.
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Frequently asked questions
What is the fuel tank capacity of the 2011 Mitsubishi Eclipse?
The 2011 Mitsubishi Eclipse holds 17.7 gallons (67 liters) on every trim we list.
How many gallons and liters does the 2011 Mitsubishi Eclipse gas tank hold?
The 2011 Mitsubishi Eclipse tank holds 67 liters, or 17.7 gallons in US gallons.
How far can a 2011 Mitsubishi Eclipse go on a full tank?
About 443–496 miles on the highway and 301–354 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 2011 Mitsubishi Eclipse go on a quarter tank?
About 124 highway miles or 89 in town from the 17.7-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 2011 Mitsubishi Eclipse 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 2011 Mitsubishi Eclipse?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 17.7-gallon tank from empty costs $75.58. It ranges from $65.49 in the Gulf Coast to $104.25 in California.
How much does a full tank of gas weigh in a 2011 Mitsubishi Eclipse?
About 110 pounds for the 17.7-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2011 Mitsubishi Eclipse have a bigger gas tank than the Mazda Mazdaspeed 3?
Yes. The 2011 Mitsubishi Eclipse holds up to 17.7 gallons; the 2011 Mazda Mazdaspeed 3 holds up to 15.9.
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.