2003 Cadillac Escalade Gas Tank Size & Fuel Capacity
Fuel tank capacity
26.0gal · 98 L
The 2003 Cadillac Escalade has a fuel tank capacity of 26.0 gallons (98 liters) on every trim.
A full tank is good for roughly 390–416 highway miles or 286–338 miles around town, going by the EPA ratings.
26.0 gal · Bigger than 80% of 2003 models we list.
Listed separately: 2003 Cadillac Escalade ESV (31.0 gal), 2003 Cadillac Escalade EXT (31.0 gal).
- By trim
- Gas cap & parts
- Fuel essentials
- Miles per tank
- Fill-up cost
- Other years
- Compared
- Fuel recalls
- Pump & gauge parts
- FAQ
2003 Cadillac Escalade fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Engine
- no difference
All 2 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| AWD 4dr SUV 6.0L 8cyl 4A · AWD MPG 11 / 15Range 286 / 390 mi | 6.0L 8cyl 4A | AWD | 26.0 gal98 L | 11 / 15 | 286 / 390 mi | |
| Rwd 4dr SUV 5.3L 8cyl 4A · RWD MPG 13 / 16Range 338 / 416 mi | 5.3L 8cyl 4A | RWD | 26.0 gal98 L | 13 / 16 | 338 / 416 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 2003 Cadillac Escalade 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 14 MPG, a full 26.0-gallon tank covers about 364 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 26.0 | 416 | 338 |
| 3/4 | 19.5 | 312 | 254 |
| 1/2 | 13.0 | 208 | 169 |
| 1/4 | 6.5 | 104 | 85 |
| 1/8 | 3.3 | 52 | 42 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 1,071 gallons, roughly 41 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
- 13–14 MPG
- Tailpipe CO2
- 635–684 g/mi
- Source
- EPA ratings
What it costs to fill up a 2003 Cadillac Escalade
$111.02 to fill the 26.0-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 |
|---|---|---|---|---|
| 26.0 gal | Regular | $4.27 | $111.02 | $83.26 |
By region, 26.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $104.52 |
| Midwest | $4.27 | $111.02 |
| Gulf CoastLowest | $3.70 | $96.20 |
| Rocky Mountain | $4.46 | $115.96 |
| West Coast | $5.42 | $140.92 |
| CaliforniaHighest | $5.89 | $153.14 |
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
- 26.0-gallon tank$111.02
- A year of driving (15,000 mi)$4,575
Starts at the US average for regular; type in what your station charges. For other tank sizes, use the fill-up calculator.
Escalade tank size in other years
The 2003 Escalade uses the same 26.0 gal tank as the 2002 model.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2008 Escalade | 26.0 gal | 494 mi |
| 2007 Escalade | 26.0 gal | 494 mi |
| 2006 Escalade | 26.0 gal | 442 mi |
| 2005 Escalade | 26.0 gal | 442 mi |
| 2004 Escalade | 26.0 gal | 442 mi |
| 2003 Escalade | 26.0 gal | 416 mi |
| 2002 Escalade | 26.0 gal | 442 mi |
| 2000 Escalade | 29.5 gal | 443 mi |
| 1999 Escalade | 30.0 gal | 450 mi |
- 2027
- 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
- 2000
- 1999
2003 Cadillac Escalade vs similar 2003 SUVs
At 26.0 gallons, the Escalade's largest tank ranks fourth of the five 2003 SUVs compared here. The HUMMER H2 carries the most (32.0 gal) and the Lexus LX 470 the least (25.4 gal).
| 2003 model | Tank | Longest highway range |
|---|---|---|
| HUMMER H2 | 32.0 gal | Not rated |
| Lincoln Navigator | 28.0 gal | 420 mi |
| Land Rover Range Rover | 26.4 gal | 422 mi |
| Cadillac Escalade | 26.0 gal | 416 mi |
| Lexus LX 470 | 25.4 gal | 406 mi |
Other 2003 SUVs of a similar size, one model per brand.
2003 Cadillac Escalade fuel system recalls
None of the 4 recalls NHTSA lists for the 2003 Cadillac Escalade involve the fuel system.
2003 Cadillac Escalade fuel pump and gauge parts
NHTSA lists no fuel-system recall for the 2003 Cadillac Escalade, 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 2003 Cadillac Escalade?
The 2003 Cadillac Escalade holds 26.0 gallons (98 liters) on every trim we list.
How many gallons and liters does the 2003 Cadillac Escalade gas tank hold?
The 2003 Cadillac Escalade tank holds 98 liters, or 26.0 gallons in US gallons.
Does AWD change the 2003 Cadillac Escalade gas tank?
No. AWD and RWD versions of the 2003 Cadillac Escalade use the same 26.0 gal tank.
How far can a 2003 Cadillac Escalade go on a full tank?
About 390–416 miles on the highway and 286–338 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 2003 Cadillac Escalade go on a quarter tank?
About 104 highway miles or 85 in town from the 26.0-gallon tank, which has roughly 6.5 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2003 Cadillac Escalade take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2003 Cadillac Escalade?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 26.0-gallon tank from empty costs $111.02. It ranges from $96.20 in the Gulf Coast to $153.14 in California.
How much does a full tank of gas weigh in a 2003 Cadillac Escalade?
About 161 pounds for the 26.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2003 Cadillac Escalade have a bigger gas tank than the Lexus LX 470?
Yes. The 2003 Cadillac Escalade holds up to 26.0 gallons; the 2003 Lexus LX 470 holds up to 25.4.
Has the 2003 Cadillac Escalade had a fuel pump or fuel system recall?
No. None of the 4 recalls NHTSA lists for the 2003 Cadillac Escalade 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.