2003 Dodge Ram Pickup 1500 Gas Tank Size & Fuel Capacity
Fuel tank capacity
26.0–35.0gal · 98–132 L
The 2003 Dodge Ram Pickup 1500 has a fuel tank capacity of 26.0 to 35.0 gallons (98–132 liters), depending on the trim. The most common size is 35.0 gallons, used on 8 trims.
A full tank is good for roughly 416–665 highway miles or 312–490 miles around town, going by the EPA ratings.
35.0 gal · Bigger than 95% of 2003 models we list.
2003 Dodge Ram Pickup 1500 fuel tank capacity by trim
What changes the tank sizeTap an option to filter the table
- Drive
- no difference
- Cab
- no difference
- Bed
- Engine
- no difference
All 16 trims
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| 2dr Regular Cab SLT 4WD SB 4.7L 8cyl 5M · 4WD MPG 12 / 16Range 312 / 416 mi | 4.7L 8cyl 5M | 4WD | 26.0 gal98 L | 12 / 16 | 312 / 416 mi | |
| 2dr Regular Cab SLT Rwd SB 4.7L 8cyl 5M · RWD MPG 13 / 18Range 338 / 468 mi | 4.7L 8cyl 5M | RWD | 26.0 gal98 L | 13 / 18 | 338 / 468 mi | |
| 2dr Regular Cab ST 4WD SB 4.7L 8cyl 5M · 4WD MPG 12 / 16Range 312 / 416 mi | 4.7L 8cyl 5M | 4WD | 26.0 gal98 L | 12 / 16 | 312 / 416 mi | |
| 2dr Regular Cab ST Rwd SB 3.7L 6cyl 5M · RWD MPG 14 / 19Range 364 / 494 mi | 3.7L 6cyl 5M | RWD | 26.0 gal98 L | 14 / 19 | 364 / 494 mi | |
| 4dr Quad Cab SLT 4WD SB 4.7L 8cyl 5M · 4WD MPG 12 / 16Range 312 / 416 mi | 4.7L 8cyl 5M | 4WD | 26.0 gal98 L | 12 / 16 | 312 / 416 mi | |
| 4dr Quad Cab SLT Rwd SB 4.7L 8cyl 5M · RWD MPG 13 / 18Range 338 / 468 mi | 4.7L 8cyl 5M | RWD | 26.0 gal98 L | 13 / 18 | 338 / 468 mi | |
| 4dr Quad Cab ST 4WD SB 4.7L 8cyl 5M · 4WD MPG 12 / 16Range 312 / 416 mi | 4.7L 8cyl 5M | 4WD | 26.0 gal98 L | 12 / 16 | 312 / 416 mi | |
| 4dr Quad Cab ST Rwd SB 3.7L 6cyl 5M · RWD MPG 14 / 19Range 364 / 494 mi | 3.7L 6cyl 5M | RWD | 26.0 gal98 L | 14 / 19 | 364 / 494 mi | |
| 2dr Regular Cab SLT 4WD LB 4.7L 8cyl 5M · 4WD MPG 12 / 16Range 420 / 560 mi | 4.7L 8cyl 5M | 4WD | 35.0 gal132 L | 12 / 16 | 420 / 560 mi | |
| 2dr Regular Cab SLT Rwd LB 4.7L 8cyl 5M · RWD MPG 13 / 18Range 455 / 630 mi | 4.7L 8cyl 5M | RWD | 35.0 gal132 L | 13 / 18 | 455 / 630 mi | |
| 2dr Regular Cab ST 4WD LB 4.7L 8cyl 5M · 4WD MPG 12 / 16Range 420 / 560 mi | 4.7L 8cyl 5M | 4WD | 35.0 gal132 L | 12 / 16 | 420 / 560 mi | |
| 2dr Regular Cab ST Rwd LB 3.7L 6cyl 5M · RWD MPG 14 / 19Range 490 / 665 mi | 3.7L 6cyl 5M | RWD | 35.0 gal132 L | 14 / 19 | 490 / 665 mi | |
| 4dr Quad Cab SLT 4WD LB 4.7L 8cyl 5M · 4WD MPG 12 / 16Range 420 / 560 mi | 4.7L 8cyl 5M | 4WD | 35.0 gal132 L | 12 / 16 | 420 / 560 mi | |
| 4dr Quad Cab SLT Rwd LB 4.7L 8cyl 5M · RWD MPG 13 / 18Range 455 / 630 mi | 4.7L 8cyl 5M | RWD | 35.0 gal132 L | 13 / 18 | 455 / 630 mi | |
| 4dr Quad Cab ST 4WD LB 4.7L 8cyl 5M · 4WD MPG 12 / 16Range 420 / 560 mi | 4.7L 8cyl 5M | 4WD | 35.0 gal132 L | 12 / 16 | 420 / 560 mi | |
| 4dr Quad Cab ST Rwd LB 4.7L 8cyl 5M · RWD MPG 13 / 18Range 455 / 630 mi | 4.7L 8cyl 5M | RWD | 35.0 gal132 L | 13 / 18 | 455 / 630 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 Dodge Ram Pickup 1500 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 35.0-gallon tank covers about 490 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 35.0 | 560 | 420 |
| 3/4 | 26.3 | 420 | 315 |
| 1/2 | 17.5 | 280 | 210 |
| 1/4 | 8.8 | 140 | 105 |
| 1/8 | 4.4 | 70 | 53 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 1,071 gallons, roughly 31 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.
What it costs to fill up a 2003 Dodge Ram Pickup 1500
$149.45 to fill the 35.0-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 |
| 35.0 gal | Regular | $4.27 | $149.45 | $112.09 |
By region, 35.0-gallon tank
| Region | Regular / gal | Fill from empty |
|---|---|---|
| East Coast | $4.02 | $140.70 |
| Midwest | $4.27 | $149.45 |
| Gulf CoastLowest | $3.70 | $129.50 |
| Rocky Mountain | $4.46 | $156.10 |
| West Coast | $5.42 | $189.70 |
| CaliforniaHighest | $5.89 | $206.15 |
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
- 35.0-gallon tank$149.45
- 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.
Ram Pickup 1500 tank size in other years
The 2003 Ram Pickup 1500 uses the same 26.0–35.0 gal tank sizes as every Ram Pickup 1500 since 1994.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2008 Ram Pickup 1500 | 26.0–35.0 gal | 665 mi |
| 2007 Ram Pickup 1500 | 26.0–35.0 gal | 700 mi |
| 2006 Ram Pickup 1500 | 26.0–35.0 gal | 700 mi |
| 2005 Ram Pickup 1500 | 26.0–35.0 gal | 700 mi |
| 2004 Ram Pickup 1500 | 26.0–35.0 gal | 665 mi |
| 2003 Ram Pickup 1500 | 26.0–35.0 gal | 665 mi |
| 2002 Ram Pickup 1500 | 26.0–35.0 gal | 665 mi |
| 2001 Ram Pickup 1500 | 26.0–35.0 gal | 665 mi |
| 2000 Ram Pickup 1500 | 26.0–35.0 gal | 665 mi |
| 1999 Ram Pickup 1500 | 26.0–35.0 gal | 700 mi |
| 1998 Ram Pickup 1500 | 26.0–35.0 gal | 700 mi |
2003 Dodge Ram Pickup 1500 vs similar 2003 pickups
The Ram Pickup 1500 has the largest tank of the four 2003 pickups compared here, 35.0 gallons against 34.0 for the GMC Sierra 2500.
| 2003 model | Tank | Longest highway range |
|---|---|---|
| Dodge Ram Pickup 1500 | 26.0–35.0 gal | 665 mi |
| GMC Sierra 2500 | 26.0–34.0 gal | Not rated |
| Chevrolet Silverado 1500 | 26.0–34.0 gal | 646 mi |
| Ford F-150 | 24.5–30.0 gal | 570 mi |
Other 2003 pickups of a similar size, one model per brand.
Frequently asked questions
What is the fuel tank capacity of the 2003 Dodge Ram Pickup 1500?
The 2003 Dodge Ram Pickup 1500 holds between 26.0 and 35.0 gallons, depending on the trim. 35.0 gallons is the usual size; the smaller 26.0-gallon tank is on the 2dr Regular Cab SLT 4WD SB.
How many gallons and liters does the 2003 Dodge Ram Pickup 1500 gas tank hold?
The 2003 Dodge Ram Pickup 1500 tank holds 98–132 liters, or 26.0–35.0 gallons in US gallons.
Which 2003 Dodge Ram Pickup 1500 has the biggest gas tank?
The 35.0-gallon tank is on the 2dr Regular Cab SLT 4WD LB, 2dr Regular Cab SLT Rwd LB, 2dr Regular Cab ST 4WD LB and 5 other trims. The smallest tank, 26.0 gallons, is on the 2dr Regular Cab SLT 4WD SB.
Does 4WD change the 2003 Dodge Ram Pickup 1500 gas tank?
No. 4WD and RWD versions of the 2003 Dodge Ram Pickup 1500 use the same 26.0–35.0 gal tank.
How far can a 2003 Dodge Ram Pickup 1500 go on a full tank?
About 416–665 miles on the highway and 312–490 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 Dodge Ram Pickup 1500 go on a quarter tank?
About 140 highway miles or 105 in town from the 35.0-gallon tank, which has roughly 8.8 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2003 Dodge Ram Pickup 1500 take?
Regular unleaded. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2003 Dodge Ram Pickup 1500?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 35.0-gallon tank from empty costs $149.45. It ranges from $129.50 in the Gulf Coast to $206.15 in California.
How much does a full tank of gas weigh in a 2003 Dodge Ram Pickup 1500?
About 217 pounds for the 35.0-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2003 Dodge Ram Pickup 1500 have a bigger gas tank than the GMC Sierra 2500?
Yes. The 2003 Dodge Ram Pickup 1500 holds up to 35.0 gallons; the 2003 GMC Sierra 2500 holds up to 34.0.
Sources
- Tank sizes: manufacturer-rated capacities from US-market specifications, checked against independent references. Updated October 2026.
- MPG and range: EPA ratings. 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.