Upland 4dr SUV 4WD3.6L 6cyl 8A · 4WD · RegularMPG 18 / 25Range 443 / 615 mi
3.6L 6cyl 8A
4WD
24.6 gal93 L
Regular
18 / 25
443 / 615 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 2020 Jeep Grand Cherokee 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 21 MPG, a full 24.6-gallon tank covers about 517 miles.
Gauge
Gallons
Highway miles
City miles
Full
24.6
615
443
3/4
18.5
461
332
1/2
12.3
308
221
1/4
6.2
154
111
1/8
3.1
77
55
Over 15,000 miles a year (the EPA's yearly estimate) this configuration uses about 714 gallons, roughly 29 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.
Other 2020 SUVs of a similar size, one model per brand.
2020 Jeep Grand Cherokee fuel system recalls
NHTSA lists 2 fuel-system recalls for the 2020 Jeep Grand Cherokee, out of 3 recalls in total. A recall applies only to the vehicles named in it, so check your VIN.
Engine and engine coolingJun 8, 2023 · NHTSA 23V411000 · Chrysler (Fca Us, LLC) · 80,629 vehicles
Chrysler (FCA US, LLC) is recalling certain 2014-2019 Ram 1500 and 2014-2020 Jeep Grand Cherokee vehicles equipped with 3.0L Diesel engines. The crankshaft position sensor tone wheel may delaminate, causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.
Risk and remedy
Risk: An engine stall can increase the risk of a crash.
Remedy: Dealers will update the powertrain control module software to maintain vehicle propulsion, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed August 3, 2023. Some owner notification letters were mailed October 31, 2023. The remaining owner notification letters will be mailed at a future date, anticipated July 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 66A. This recall is an expansion of recall 20V-475.
Chrysler (FCA US, LLC) is recalling certain 2014-2020 Jeep Grand Cherokee, and 2014-2019 Ram 1500 vehicles equipped with 3.0L diesel engines. A high pressure fuel pump (HPFP) failure may introduce internal debris into the fuel system, potentially resulting in fuel starvation.
Risk and remedy
Risk: Fuel starvation may result in an unexpected loss of drive power, increasing the risk of a crash.
Remedy: Dealers will replace the HPFP, and inspect and replace, if necessary, additional fuel system components, free of charge. Interim notification letters informing owners of the safety risk were mailed July 21, 2022. Owner notification letters for were mailed for Jeep Grand Cherokee owners starting January 11, 2024. Owner notification letters for Ram 1500 owners were mailed March 7, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLS's number for this recall is Z46.
What is the fuel tank capacity of the 2020 Jeep Grand Cherokee?
The 2020 Jeep Grand Cherokee holds 24.6 gallons (93 liters) on every trim we list.
How many gallons and liters does the 2020 Jeep Grand Cherokee gas tank hold?
The 2020 Jeep Grand Cherokee tank holds 93 liters, or 24.6 gallons in US gallons.
Does 4WD change the 2020 Jeep Grand Cherokee gas tank?
No. 4WD and RWD versions of the 2020 Jeep Grand Cherokee use the same 24.6 gal tank.
How far can a 2020 Jeep Grand Cherokee go on a full tank?
About 418–640 miles on the highway and 271–467 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 2020 Jeep Grand Cherokee go on a quarter tank?
About 154 highway miles or 111 in town from the 24.6-gallon tank, which has roughly 6.2 gallons left at the quarter mark. Gauges aren't exact, so treat that as a guide.
What gas does the 2020 Jeep Grand Cherokee take?
Regular unleaded, or Premium unleaded (recommended), depending on the engine. The label inside the fuel door confirms it for your car.
How much does it cost to fill up a 2020 Jeep Grand Cherokee?
At the US average of $4.27 a gallon for regular (EIA, week of October 26, 2026), filling the 24.6-gallon tank from empty costs $105.04. It ranges from $91.02 in the Gulf Coast to $144.89 in California.
How much does a full tank of gas weigh in a 2020 Jeep Grand Cherokee?
About 153 pounds for the 24.6-gallon tank. Gasoline weighs roughly 6.2 pounds a gallon.
Does the 2020 Jeep Grand Cherokee have a bigger gas tank than the Toyota 4Runner?
Yes. The 2020 Jeep Grand Cherokee holds up to 24.6 gallons; the 2020 Toyota 4Runner holds up to 23.0.
Has the 2020 Jeep Grand Cherokee had a fuel pump or fuel system recall?
Yes. NHTSA lists 2 fuel-system recalls for the 2020 Jeep Grand Cherokee: 23V411000 (engine and engine cooling); 22V406000 (delivery · fuel pump). Check your VIN at nhtsa.gov/recalls to see if your car is affected.
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).