1991 J.K. Motors Testarossa MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 1991 J.K. Motors Testarossa.

The 1991 J.K. Motors Testarossa has 2 model options: Manual 5-spd 12-cyl, 4.9 L and Manual 5-spd 12-cyl, 4.9 L.

The 1991 J.K. Motors Testarossa Manual 5-spd 12-cyl, 4.9 L runs on regular gasoline and is in the Two Seaters car class.

The 1991 J.K. Motors Testarossa Manual 5-spd 12-cyl, 4.9 L runs on premium gasoline and is in the Two Seaters car class.

🛣 How Many Miles per Gallon (MPG) Does a 1991 J.K. Motors Testarossa Get?

Across all models, the combined average MPG for the 1991 J.K. Motors Testarossa is 11 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Manual 5-spd 12-cyl, 4.9 L11914
Manual 5-spd 12-cyl, 4.9 L11915

💵 What is the Average Yearly Fuel Cost for a 1991 J.K. Motors Testarossa?

The average fuel costs for all models of the 1991 J.K. Motors Testarossa is $6,200.

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 1991 J.K. Motors Testarossa to an average vehicle over 5 years, you will spend $19,500 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
Manual 5-spd 12-cyl, 4.9 L$5,700spend $17,000 more
Manual 5-spd 12-cyl, 4.9 L$6,700spend $22,000 more

The 1991 J.K. Motors Testarossa is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.

The tables below show how much you can expect to pay in Gas Guzzler taxes.

Model OptionGas Guzzler Tax
Manual 5-spd 12-cyl, 4.9 L$7,700
Model OptionGas Guzzler Tax
Manual 5-spd 12-cyl, 4.9 L$7,700

🛢 How Many Barrels of Petroleum Does a 1991 J.K. Motors Testarossa Consume?

Across all models, the average number barrels of petroleum that the 1991 J.K. Motors Testarossa will consume in one year is 27 barrels.

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

Model OptionBarrels
Manual 5-spd 12-cyl, 4.9 L27
Manual 5-spd 12-cyl, 4.9 L27

💨 How Many Grams of CO2 Does a 1991 J.K. Motors Testarossa Emit?

The 1991 J.K. Motors Testarossa will emit an average of about -15,000 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 1 tree would be needed to offset emissions from the 1991 J.K. Motors Testarossa.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 1991 J.K. Motors Testarossa model options.

Manual 5-spd 12-cyl, 4.9 L

The table below contains all of the details we have for the 1991 J.K. Motors Testarossa Manual 5-spd 12-cyl, 4.9 L:

City MPG9
Highway MPG14
Combined MPG11
Save/Spend vs Average CarSpend $17,000
Gas Guzzler Tax$7,700
Fuel Cost$5,700
Fuel Type 1Regular
Barrels of Petroleum27
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders12
Displacement4.9
TransmissionManual 5-spd
Vehicle ClassTwo Seaters
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 5-spd 12-cyl, 4.9 L

The table below contains all of the details we have for the 1991 J.K. Motors Testarossa Manual 5-spd 12-cyl, 4.9 L:

City MPG9
Highway MPG15
Combined MPG11
Save/Spend vs Average CarSpend $22,000
Gas Guzzler Tax$7,700
Fuel Cost$6,700
Fuel Type 1Premium
Barrels of Petroleum27
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders12
Displacement4.9
TransmissionManual 5-spd
Vehicle ClassTwo Seaters
Start/Stop?No
Supercharged?No
Turbocharged?No

Link To or Reference This Page

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

  • "1991 J.K. Motors Testarossa MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/j-k-motors/testarossa/1991.

  • "1991 J.K. Motors Testarossa MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/j-k-motors/testarossa/1991. Accessed January 3, 2026.

  • 1991 J.K. Motors Testarossa MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/j-k-motors/testarossa/1991.