2018 Ford Mustang Gas Tank Size & Fuel Capacity
Fuel tank capacity
15.5–16.0gal · 59–61 L
The 2018 Ford Mustang has a fuel tank capacity of 15.5 to 16.0 gallons (59–61 liters), depending on the trim. The most common size is 15.5 gallons, used on 4 trims.
A full tank is good for roughly 400–481 highway miles or 240–326 miles around town, going by the EPA ratings.
16.0 gal · Smaller than 65% of 2018 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- FAQ
2018 Ford Mustang fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Engine
All 7 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| EcoBoost 2dr Convertible 2.3L 4cyl Turbo 6M · RWD MPG 20 / 28Range 310 / 434 mi | 2.3L 4cyl Turbo 6M | RWD | 15.5 gal59 L | 20 / 28 | 310 / 434 mi | |
| EcoBoost 2dr Coupe 2.3L 4cyl Turbo 6M · RWD MPG 21 / 31Range 326 / 481 mi | 2.3L 4cyl Turbo 6M | RWD | 15.5 gal59 L | 21 / 31 | 326 / 481 mi | |
| EcoBoost Premium 2dr Convertible 2.3L 4cyl Turbo 6M · RWD MPG 20 / 28Range 310 / 434 mi | 2.3L 4cyl Turbo 6M | RWD | 15.5 gal59 L | 20 / 28 | 310 / 434 mi | |
| EcoBoost Premium 2dr Coupe 2.3L 4cyl Turbo 6M · RWD MPG 21 / 31Range 326 / 481 mi | 2.3L 4cyl Turbo 6M | RWD | 15.5 gal59 L | 21 / 31 | 326 / 481 mi | |
| GT 2dr Coupe 5.0L 8cyl 6M · RWD MPG 15 / 25Range 240 / 400 mi | 5.0L 8cyl 6M | RWD | 16.0 gal61 L | 15 / 25 | 240 / 400 mi | |
| GT Premium 2dr Convertible 5.0L 8cyl 6M · RWD MPG 15 / 25Range 240 / 400 mi | 5.0L 8cyl 6M | RWD | 16.0 gal61 L | 15 / 25 | 240 / 400 mi | |
| GT Premium 2dr Coupe 5.0L 8cyl 6M · RWD MPG 15 / 25Range 240 / 400 mi | 5.0L 8cyl 6M | RWD | 16.0 gal61 L | 15 / 25 | 240 / 400 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 2018 Ford Mustang 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 16.0-gallon tank covers about 288 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 16.0 | 400 | 240 |
| 3/4 | 12.0 | 300 | 180 |
| 1/2 | 8.0 | 200 | 120 |
| 1/4 | 4.0 | 100 | 60 |
| 1/8 | 2.0 | 50 | 30 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 833 gallons, roughly 52 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
- 18–25 MPG
- Tailpipe CO2
- 357–483 g/mi
- EPA greenhouse score
- 3–5 of 10
- Source
- EPA ratings
What it costs to fill up a 2018 Ford Mustang
$81.84 to fill the 15.5-gallon tank from empty with premium, at this week's US average of $5.28 a gallon.
| Tank | Fuel | US avg / gal | From empty | From 1/4 tank |
|---|---|---|---|---|
| 15.5 gal | Premium | $5.28 | $81.84 | $61.38 |
| 16.0 gal | Premium | $5.28 | $84.48 | $63.36 |
By region, 15.5-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $76.41 |
| Midwest | $5.37 | $83.23 |
| Gulf CoastLowest | $4.57 | $70.84 |
| Rocky Mountain | $5.12 | $79.36 |
| West Coast | $6.08 | $94.24 |
| CaliforniaHighest | $6.36 | $98.58 |
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
- 15.5-gallon tank$81.84
- 16.0-gallon tank$84.48
- A year of driving (15,000 mi)$4,400
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
Mustang tank size in other years
The 2018 Mustang uses the same 15.5–16.0 gal tank sizes as every Mustang since 2015.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2023 Mustang | 15.5–16.0 gal | 450 mi |
| 2022 Mustang | 15.5–16.0 gal | 450 mi |
| 2021 Mustang | 15.5–16.0 gal | 450 mi |
| 2020 Mustang | 15.5–16.0 gal | 465 mi |
| 2019 Mustang | 15.5–16.0 gal | 481 mi |
| 2018 Mustang | 15.5–16.0 gal | 481 mi |
| 2017 Mustang | 15.5–16.0 gal | 465 mi |
| 2016 Mustang | 15.5–16.0 gal | 481 mi |
| 2015 Mustang | 15.5–16.0 gal | 481 mi |
| 2014 Mustang | 16.0 gal | 464 mi |
| 2013 Mustang | 16.0 gal | 464 mi |
- 2026
- 2025
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
- 2009
- 2008
- 2007
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 2000
- 1999
- 1998
- 1997
- 1996
- 1995
- 1994
- 1993
- 1992
- 1991
- 1990
2018 Ford Mustang vs similar 2018 coupes
The Mustang has the smallest tank of the three 2018 coupes compared here: 16.0 gallons, against 19.5 for the Nissan GT-R.
| 2018 model | Tank | Longest highway range |
|---|---|---|
| Nissan GT-R | 19.5 gal | 429 mi |
| Dodge Challenger | 18.5 gal | 555 mi |
| Ford Mustang | 15.5–16.0 gal | 481 mi |
Other 2018 coupes of a similar size, one model per brand.
2018 Ford Mustang fuel system recalls
None of the 3 recalls NHTSA lists for the 2018 Ford Mustang involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2018 Ford Mustang?
The 2018 Ford Mustang holds between 15.5 and 16.0 gallons, depending on the trim. 15.5 gallons is the usual size; the 16.0-gallon tank comes on the GT 2dr Coupe (5.0L 8cyl 6M).
How many gallons and liters does the 2018 Ford Mustang gas tank hold?
The 2018 Ford Mustang tank holds 59–61 liters, or 15.5–16.0 gallons in US gallons.
Which 2018 Ford Mustang has the biggest gas tank?
The 16.0-gallon tank is on the GT 2dr Coupe, GT Premium 2dr Convertible, GT Premium 2dr Coupe. The smallest tank, 15.5 gallons, is on the EcoBoost 2dr Convertible.
How far can a 2018 Ford Mustang go on a full tank?
About 400–481 miles on the highway and 240–326 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 2018 Ford Mustang go on a quarter tank?
About 100 highway miles or 60 in town from the 16.0-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 2018 Ford Mustang take?
Premium unleaded (recommended). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2018 Ford Mustang?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 15.5-gallon tank from empty costs $81.84. It ranges from $70.84 in the Gulf Coast to $98.58 in California.
How much does a full tank of gas weigh in a 2018 Ford Mustang?
About 99 pounds for the 16.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2018 Ford Mustang have a bigger gas tank than the Nissan GT-R?
No. The 2018 Nissan GT-R holds up to 19.5 gallons; the 2018 Ford Mustang holds up to 16.0.
Has the 2018 Ford Mustang had a fuel pump or fuel system recall?
No. None of the 3 recalls NHTSA lists for the 2018 Ford Mustang involve the fuel system.
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).
- Recalls: NHTSA recall database (Ford fuel system recalls).
Does your owner's manual say something different? Let us know and we'll fix it. More on how we check the numbers.