2013 Cadillac SRX Gas Tank Size & Fuel Capacity
Fuel tank capacity
21.0gal · 79 L
The 2013 Cadillac SRX has a fuel tank capacity of 21.0 gallons (79 liters) on every trim.
A full tank is good for roughly 483–504 highway miles or 336–357 miles around town, going by the EPA ratings.
21.0 gal · Bigger than 67% of 2013 models we list.
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
2013 Cadillac SRX fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
All 7 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 4dr SUV 3.6L 6cyl 6A · FWD Flex-fuel MPG 17 / 24Range 357 / 504 mi | 3.6L 6cyl 6A Flex-fuel | FWD | 21.0 gal79 L | 17 / 24 | 357 / 504 mi | |
| Luxury 4dr SUV 3.6L 6cyl 6A · FWD Flex-fuel MPG 17 / 24Range 357 / 504 mi | 3.6L 6cyl 6A Flex-fuel | FWD | 21.0 gal79 L | 17 / 24 | 357 / 504 mi | |
| Luxury 4dr SUV AWD 3.6L 6cyl 6A · AWD Flex-fuel MPG 16 / 23Range 336 / 483 mi | 3.6L 6cyl 6A Flex-fuel | AWD | 21.0 gal79 L | 16 / 23 | 336 / 483 mi | |
| Performance 4dr SUV 3.6L 6cyl 6A · FWD Flex-fuel MPG 17 / 24Range 357 / 504 mi | 3.6L 6cyl 6A Flex-fuel | FWD | 21.0 gal79 L | 17 / 24 | 357 / 504 mi | |
| Performance 4dr SUV AWD 3.6L 6cyl 6A · AWD Flex-fuel MPG 16 / 23Range 336 / 483 mi | 3.6L 6cyl 6A Flex-fuel | AWD | 21.0 gal79 L | 16 / 23 | 336 / 483 mi | |
| Premium 4dr SUV 3.6L 6cyl 6A · FWD Flex-fuel MPG 17 / 24Range 357 / 504 mi | 3.6L 6cyl 6A Flex-fuel | FWD | 21.0 gal79 L | 17 / 24 | 357 / 504 mi | |
| Premium 4dr SUV AWD 3.6L 6cyl 6A · AWD Flex-fuel MPG 16 / 23Range 336 / 483 mi | 3.6L 6cyl 6A Flex-fuel | AWD | 21.0 gal79 L | 16 / 23 | 336 / 483 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 2013 Cadillac SRX 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 19 MPG, a full 21.0-gallon tank covers about 399 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 21.0 | 504 | 357 |
| 3/4 | 15.8 | 378 | 268 |
| 1/2 | 10.5 | 252 | 179 |
| 1/4 | 5.3 | 126 | 89 |
| 1/8 | 2.6 | 63 | 45 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 789 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
- 18–19 MPG
- Tailpipe CO2
- 462–482 g/mi
- EPA greenhouse score
- 4 of 10
- Source
- EPA ratings
What it costs to fill up a 2013 Cadillac SRX
$89.67 to fill the 21.0-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 |
|---|---|---|---|---|
| 21.0 gal | Regular | $4.27 | $89.67 | $67.25 |
| 21.0 gal | E85 (flex-fuel trims) | $3.31 | $69.51 | $52.13 |
By region, 21.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $84.42 |
| Midwest | $4.27 | $89.67 |
| Gulf CoastLowest | $3.70 | $77.70 |
| Rocky Mountain | $4.46 | $93.66 |
| West Coast | $5.42 | $113.82 |
| CaliforniaHighest | $5.89 | $123.69 |
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
- 21.0-gallon tank$89.67
- A year of driving (15,000 mi)$3,371
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
SRX tank size in other years
The 2013 SRX uses the same 21.0 gal tank as every SRX since 2010.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2016 SRX | 21.0 gal | 504 mi |
| 2015 SRX | 21.0 gal | 504 mi |
| 2014 SRX | 21.0 gal | 504 mi |
| 2013 SRX | 21.0 gal | 504 mi |
| 2012 SRX | 21.0 gal | 504 mi |
| 2011 SRX | 21.0 gal | 525 mi |
| 2010 SRX | 21.0 gal | 525 mi |
| 2009 SRX | 20.0 gal | 460 mi |
| 2008 SRX | 20.0 gal | 440 mi |
2013 Cadillac SRX vs similar 2013 SUVs
At 21.0 gallons, the SRX's largest tank ranks second of the seven 2013 SUVs compared here. The INFINITI FX carries the most (23.8 gal) and the BMW X3 the least (17.7 gal).
| 2013 model | Tank | Longest highway range |
|---|---|---|
| INFINITI FX | 23.8 gal | 571 mi |
| Cadillac SRX | 21.0 gal | 504 mi |
| Audi Q5 | 19.0–19.8 gal | 570 mi |
| Lexus RX 350 | 19.2 gal | 499 mi |
| Lincoln MKX | 18.0–19.0 gal | 468 mi |
| Volvo XC60 | 18.5 gal | 463 mi |
| BMW X3 | 17.7 gal | 496 mi |
Other 2013 SUVs of a similar size, one model per brand.
2013 Cadillac SRX fuel system recalls
None of the 5 recalls NHTSA lists for the 2013 Cadillac SRX involve the fuel system.
2013 Cadillac SRX fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2013 Cadillac SRX, so a failed pump or gauge is a normal repair. These are the part numbers the makers list for it.
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Frequently asked questions
What is the fuel tank capacity of the 2013 Cadillac SRX?
The 2013 Cadillac SRX holds 21.0 gallons (79 liters) on every trim we list.
How many gallons and liters does the 2013 Cadillac SRX gas tank hold?
The 2013 Cadillac SRX tank holds 79 liters, or 21.0 gallons in US gallons.
Does AWD change the 2013 Cadillac SRX gas tank?
No. FWD and AWD versions of the 2013 Cadillac SRX use the same 21.0 gal tank.
How far can a 2013 Cadillac SRX go on a full tank?
About 483–504 miles on the highway and 336–357 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 2013 Cadillac SRX go on a quarter tank?
About 126 highway miles or 89 in town from the 21.0-gallon tank, which has roughly 5.3 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2013 Cadillac SRX take?
Flex-fuel (unleaded/E85). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2013 Cadillac SRX?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 21.0-gallon tank from empty costs $89.67. It ranges from $77.70 in the Gulf Coast to $123.69 in California.
How much does a full tank of gas weigh in a 2013 Cadillac SRX?
About 130 pounds for the 21.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2013 Cadillac SRX have a bigger gas tank than the INFINITI FX?
No. The 2013 INFINITI FX holds up to 23.8 gallons; the 2013 Cadillac SRX holds up to 21.0.
Has the 2013 Cadillac SRX had a fuel pump or fuel system recall?
No. None of the 5 recalls NHTSA lists for the 2013 Cadillac SRX 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 (Cadillac 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.