2022 Jeep Grand Wagoneer Gas Tank Size & Fuel Capacity
Fuel tank capacity
26.5gal · 100 L
The 2022 Jeep Grand Wagoneer has a fuel tank capacity of 26.5 gallons (100 liters) on every trim.
A full tank is good for roughly 530 highway miles or 371 miles around town, going by the EPA ratings.
26.5 gal · Bigger than 92% of 2022 models we list.
Listed separately: 2022 Jeep Grand Cherokee (23.0 gal).
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2022 Jeep Grand Wagoneer fuel tank capacity by trim
MPG and range are city / highway.
| Trim | Engine | Drive | Tank | MPG city / hwy | Range city / hwy | |
|---|---|---|---|---|---|---|
| Obsidian 4dr SUV 4WD 6.4L 8cyl 8A · 4WD MPG 14 / 20Range 371 / 530 mi | 6.4L 8cyl 8A | 4WD | 26.5 gal100 L | 14 / 20 | 371 / 530 mi | |
| Series I 4dr SUV 4WD 6.4L 8cyl 8A · 4WD MPG 14 / 20Range 371 / 530 mi | 6.4L 8cyl 8A | 4WD | 26.5 gal100 L | 14 / 20 | 371 / 530 mi | |
| Series II 4dr SUV 4WD 6.4L 8cyl 8A · 4WD MPG 14 / 20Range 371 / 530 mi | 6.4L 8cyl 8A | 4WD | 26.5 gal100 L | 14 / 20 | 371 / 530 mi | |
| Series III 4dr SUV 4WD 6.4L 8cyl 8A · 4WD MPG 14 / 20Range 371 / 530 mi | 6.4L 8cyl 8A | 4WD | 26.5 gal100 L | 14 / 20 | 371 / 530 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 2022 Jeep Grand Wagoneer 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 17 MPG, a full 26.5-gallon tank covers about 451 miles.
| Gauge | Gallons | Highway miles | City miles |
|---|---|---|---|
| Full | 26.5 | 530 | 371 |
| 3/4 | 19.9 | 398 | 278 |
| 1/2 | 13.3 | 265 | 186 |
| 1/4 | 6.6 | 133 | 93 |
| 1/8 | 3.3 | 66 | 46 |
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 882 gallons, roughly 33 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
- 17 MPG
- Tailpipe CO2
- 537 g/mi
- EPA greenhouse score
- 3 of 10
- Source
- EPA ratings
What it costs to fill up a 2022 Jeep Grand Wagoneer
$139.92 to fill the 26.5-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 |
|---|---|---|---|---|
| 26.5 gal | Premium | $5.28 | $139.92 | $104.94 |
By region, 26.5-gallon tank
| Region | Premium / gal | Fill from empty |
|---|---|---|
| East Coast | $4.93 | $130.64 |
| Midwest | $5.37 | $142.31 |
| Gulf CoastLowest | $4.57 | $121.11 |
| Rocky Mountain | $5.12 | $135.68 |
| West Coast | $6.08 | $161.12 |
| CaliforniaHighest | $6.36 | $168.54 |
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
- 26.5-gallon tank$139.92
- A year of driving (15,000 mi)$4,659
Starts at the US average for premium; type in what your station charges. For other tank sizes, use the fill-up calculator.
Grand Wagoneer tank size in other years
The tank changed for 2022: 26.5 gal, up from 23.0 gal on the 1993 Grand Wagoneer.
| Model year | Tank | Longest highway range |
|---|---|---|
| 2026 Grand Wagoneer | 26.5 gal | 636 mi |
| 2025 Grand Wagoneer | 26.5 gal | 530 mi |
| 2024 Grand Wagoneer | 26.5 gal | 530 mi |
| 2023 Grand Wagoneer | 26.5 gal | 530 mi |
| 2022 Grand Wagoneer | 26.5 gal | 530 mi |
| 1993 Grand Wagoneer | 23.0 gal | Not rated |
| 1991 Grand Wagoneer | 20.3 gal | 244 mi |
| 1990 Grand Wagoneer | 20.3 gal | 244 mi |
2022 Jeep Grand Wagoneer vs similar 2022 SUVs
At 26.5 gallons, the Grand Wagoneer's largest tank ranks second of the six 2022 SUVs compared here. The Ford Expedition carries the most (27.8 gal) and the GMC Yukon the least (24.0 gal).
| 2022 model | Tank | Longest highway range |
|---|---|---|
| Ford Expedition | 23.2–27.8 gal | 639 mi |
| Jeep Grand Wagoneer | 26.5 gal | 530 mi |
| Toyota Sequoia | 26.4 gal | 449 mi |
| Nissan Armada | 26.0 gal | 494 mi |
| Chevrolet Tahoe | 24.0 gal | 480 mi |
| GMC Yukon | 24.0 gal | 480 mi |
Other 2022 SUVs of a similar size, one model per brand.
2022 Jeep Grand Wagoneer fuel system recalls
None of the 10 recalls NHTSA lists for the 2022 Jeep Grand Wagoneer involve the fuel system.
Frequently asked questions
What is the fuel tank capacity of the 2022 Jeep Grand Wagoneer?
The 2022 Jeep Grand Wagoneer holds 26.5 gallons (100 liters) on every trim we list.
How many gallons and liters does the 2022 Jeep Grand Wagoneer gas tank hold?
The 2022 Jeep Grand Wagoneer tank holds 100 liters, or 26.5 gallons in US gallons.
How far can a 2022 Jeep Grand Wagoneer go on a full tank?
About 530 miles on the highway and 371 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 2022 Jeep Grand Wagoneer go on a quarter tank?
About 133 highway miles or 93 in town from the 26.5-gallon tank, which has roughly 6.6 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2022 Jeep Grand Wagoneer take?
Premium unleaded (recommended). The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2022 Jeep Grand Wagoneer?
At the US average of $5.28 a gallon for premium (EIA, week of October 26, 2026), filling the 26.5-gallon tank from empty costs $139.92. It ranges from $121.11 in the Gulf Coast to $168.54 in California.
How much does a full tank of gas weigh in a 2022 Jeep Grand Wagoneer?
About 164 pounds for the 26.5-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2022 Jeep Grand Wagoneer have a bigger gas tank than the Nissan Armada?
Yes. The 2022 Jeep Grand Wagoneer holds up to 26.5 gallons; the 2022 Nissan Armada holds up to 26.0.
Has the 2022 Jeep Grand Wagoneer had a fuel pump or fuel system recall?
No. None of the 10 recalls NHTSA lists for the 2022 Jeep Grand Wagoneer 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 (Jeep 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.