2020 Jeep Wrangler Unlimited 4WD MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2020 Jeep Wrangler Unlimited 4WD.

The 2020 Jeep Wrangler Unlimited 4WD has 6 model options: Automatic 8-spd 6-cyl, 3.6 L, Automatic 8-spd 6-cyl, 3.6 L, Automatic 8-spd 4-cyl, 2.0 L, Automatic 8-spd 4-cyl, 2.0 L, Manual 6-spd 6-cyl, 3.6 L and Automatic 8-spd 6-cyl, 3.0 L.

The 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 6-cyl, 3.6 L has a 48V Li-Ion electric motor which is charged via standard charger.

All MPG estimates are "MPG equivalent". This is a conversion of electric energy consumption to a gasoline equivalent.

The 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 6-cyl, 3.6 L runs on regular gasoline and is in the Small Sport Utility Vehicle 4WD car class.

The 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 4-cyl, 2.0 L has a 48V Li-Ion electric motor which is charged via standard charger.

All MPG estimates are "MPG equivalent". This is a conversion of electric energy consumption to a gasoline equivalent.

The 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 4-cyl, 2.0 L runs on regular gasoline and is in the Small Sport Utility Vehicle 4WD car class.

The 2020 Jeep Wrangler Unlimited 4WD Manual 6-spd 6-cyl, 3.6 L runs on regular gasoline and is in the Small Sport Utility Vehicle 4WD car class.

The 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 6-cyl, 3.0 L runs on diesel and is in the Small Sport Utility Vehicle 4WD car class.

🛣 How Many Miles per Gallon (MPG) Does a 2020 Jeep Wrangler Unlimited 4WD Get?

Across all models, the combined average MPG for the 2020 Jeep Wrangler Unlimited 4WD is 21 miles per gallon.

The table below breaks down the MPG for each model option:

Model OptionCombined MPGCity MPGHighway MPG
Automatic 8-spd 6-cyl, 3.6 L201922
Automatic 8-spd 6-cyl, 3.6 L201822
Automatic 8-spd 4-cyl, 2.0 L212122
Automatic 8-spd 4-cyl, 2.0 L212122
Manual 6-spd 6-cyl, 3.6 L191723
Automatic 8-spd 6-cyl, 3.0 L252229

💵 What is the Average Yearly Fuel Cost for a 2020 Jeep Wrangler Unlimited 4WD?

The average fuel costs for all models of the 2020 Jeep Wrangler Unlimited 4WD is $3,117.

The average fuel costs have been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

Comparing a 2020 Jeep Wrangler Unlimited 4WD to an average vehicle over 5 years, you will spend $4,083 more on fuel.

The table below shows the fuel costs and 5-year save/spend for each model option:

Model OptionFuel Cost5-Year Save/Spend
Automatic 8-spd 6-cyl, 3.6 L$3,150spend $4,250 more
Automatic 8-spd 6-cyl, 3.6 L$3,150spend $4,250 more
Automatic 8-spd 4-cyl, 2.0 L$3,000spend $3,500 more
Automatic 8-spd 4-cyl, 2.0 L$3,000spend $3,500 more
Manual 6-spd 6-cyl, 3.6 L$3,300spend $5,000 more
Automatic 8-spd 6-cyl, 3.0 L$3,100spend $4,000 more

🛢 How Many Barrels of Petroleum Does a 2020 Jeep Wrangler Unlimited 4WD Consume?

Across all models, the average number barrels of petroleum that the 2020 Jeep Wrangler Unlimited 4WD will consume in one year is 15 barrels.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

Model OptionBarrels
Automatic 8-spd 6-cyl, 3.6 L15
Automatic 8-spd 6-cyl, 3.6 L15
Automatic 8-spd 4-cyl, 2.0 L14
Automatic 8-spd 4-cyl, 2.0 L14
Manual 6-spd 6-cyl, 3.6 L16
Automatic 8-spd 6-cyl, 3.0 L14

💨 How Many Grams of CO2 Does a 2020 Jeep Wrangler Unlimited 4WD Emit?

The 2020 Jeep Wrangler Unlimited 4WD will emit an average of about 6,505,000 grams of CO2 per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 222 trees would be needed to offset emissions from the 2020 Jeep Wrangler Unlimited 4WD.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 6 2020 Jeep Wrangler Unlimited 4WD model options.

Automatic 8-spd 6-cyl, 3.6 L

The table below contains all of the details we have for the 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 6-cyl, 3.6 L:

City MPG19
Highway MPG22
Combined MPG20
Save/Spend vs Average CarSpend $4,250
Fuel Cost$3,150
Fuel Type 1Regular
Electric Motor48V Li-Ion
ATV TypeHybrid
Barrels of Petroleum15
Grams of CO26,660,000
Trees Needed to Offset317
Drive4-Wheel Drive
Cylinders6
Displacement3.6
TransmissionAutomatic 8-spd
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?Yes
Supercharged?No
Turbocharged?No

Automatic 8-spd 6-cyl, 3.6 L

The table below contains all of the details we have for the 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 6-cyl, 3.6 L:

City MPG18
Highway MPG22
Combined MPG20
Save/Spend vs Average CarSpend $4,250
Fuel Cost$3,150
Fuel Type 1Regular
Barrels of Petroleum15
Grams of CO26,765,000
Trees Needed to Offset322
Drive4-Wheel Drive
Cylinders6
Displacement3.6
TransmissionAutomatic 8-spd
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?Yes
Supercharged?No
Turbocharged?No

Automatic 8-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 4-cyl, 2.0 L:

City MPG21
Highway MPG22
Combined MPG21
Save/Spend vs Average CarSpend $3,500
Fuel Cost$3,000
Fuel Type 1Regular
Electric Motor48V Li-Ion
ATV TypeHybrid
Barrels of Petroleum14
Grams of CO26,210,000
Trees Needed to Offset296
Drive4-Wheel Drive
Cylinders4
Displacement2
TransmissionAutomatic 8-spd
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Automatic 8-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 4-cyl, 2.0 L:

City MPG21
Highway MPG22
Combined MPG21
Save/Spend vs Average CarSpend $3,500
Fuel Cost$3,000
Fuel Type 1Regular
Barrels of Petroleum14
Grams of CO26,345,000
Trees Needed to Offset302
Drive4-Wheel Drive
Cylinders4
Displacement2
TransmissionAutomatic 8-spd
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Manual 6-spd 6-cyl, 3.6 L

The table below contains all of the details we have for the 2020 Jeep Wrangler Unlimited 4WD Manual 6-spd 6-cyl, 3.6 L:

City MPG17
Highway MPG23
Combined MPG19
Save/Spend vs Average CarSpend $5,000
Fuel Cost$3,300
Fuel Type 1Regular
Barrels of Petroleum16
Grams of CO26,885,000
Trees Needed to Offset328
Drive4-Wheel Drive
Cylinders6
Displacement3.6
TransmissionManual 6-spd
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?Yes
Supercharged?No
Turbocharged?No

Automatic 8-spd 6-cyl, 3.0 L

The table below contains all of the details we have for the 2020 Jeep Wrangler Unlimited 4WD Automatic 8-spd 6-cyl, 3.0 L:

City MPG22
Highway MPG29
Combined MPG25
Save/Spend vs Average CarSpend $4,000
Fuel Cost$3,100
Fuel Type 1Diesel
ATV TypeDiesel
Barrels of Petroleum14
Grams of CO26,165,000
Trees Needed to Offset294
Drive4-Wheel Drive
Cylinders6
Displacement3
TransmissionAutomatic 8-spd
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "2020 Jeep Wrangler Unlimited 4WD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/jeep/wrangler-unlimited-4wd/2020.

  • "2020 Jeep Wrangler Unlimited 4WD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/jeep/wrangler-unlimited-4wd/2020. Accessed January 3, 2026.

  • 2020 Jeep Wrangler Unlimited 4WD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/jeep/wrangler-unlimited-4wd/2020.