1986 Oldsmobile Firenza Cruiser MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 1986 Oldsmobile Firenza Cruiser.

The 1986 Oldsmobile Firenza Cruiser has 6 model options: Automatic 3-spd 4-cyl, 1.8 L, Manual 5-spd 4-cyl, 1.8 L, Automatic 3-spd 4-cyl, 2.0 L, Manual 4-spd 4-cyl, 2.0 L, Automatic 3-spd 6-cyl, 2.8 L and Manual 4-spd 6-cyl, 2.8 L.

The 1986 Oldsmobile Firenza Cruiser Automatic 3-spd 4-cyl, 1.8 L runs on regular gasoline and is in the Small Station Wagons car class.

The 1986 Oldsmobile Firenza Cruiser Manual 5-spd 4-cyl, 1.8 L runs on regular gasoline and is in the Small Station Wagons car class.

The 1986 Oldsmobile Firenza Cruiser Automatic 3-spd 4-cyl, 2.0 L runs on regular gasoline and is in the Small Station Wagons car class.

The 1986 Oldsmobile Firenza Cruiser Manual 4-spd 4-cyl, 2.0 L runs on regular gasoline and is in the Small Station Wagons car class.

The 1986 Oldsmobile Firenza Cruiser Automatic 3-spd 6-cyl, 2.8 L runs on regular gasoline and is in the Small Station Wagons car class.

The 1986 Oldsmobile Firenza Cruiser Manual 4-spd 6-cyl, 2.8 L runs on regular gasoline and is in the Small Station Wagons car class.

🛣 How Many Miles per Gallon (MPG) Does a 1986 Oldsmobile Firenza Cruiser Get?

Across all models, the combined average MPG for the 1986 Oldsmobile Firenza Cruiser is 23 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic 3-spd 4-cyl, 1.8 L242128
Manual 5-spd 4-cyl, 1.8 L272334
Automatic 3-spd 4-cyl, 2.0 L222026
Manual 4-spd 4-cyl, 2.0 L252229
Automatic 3-spd 6-cyl, 2.8 L191623
Manual 4-spd 6-cyl, 2.8 L191723

💵 What is the Average Yearly Fuel Cost for a 1986 Oldsmobile Firenza Cruiser?

The average fuel costs for all models of the 1986 Oldsmobile Firenza Cruiser is $2,808.

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 1986 Oldsmobile Firenza Cruiser to an average vehicle over 5 years, you will spend $2,542 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 3-spd 4-cyl, 1.8 L$2,600spend $1,500 more
Manual 5-spd 4-cyl, 1.8 L$2,300save $0
Automatic 3-spd 4-cyl, 2.0 L$2,850spend $2,750 more
Manual 4-spd 4-cyl, 2.0 L$2,500spend $1,000 more
Automatic 3-spd 6-cyl, 2.8 L$3,300spend $5,000 more
Manual 4-spd 6-cyl, 2.8 L$3,300spend $5,000 more

🛢 How Many Barrels of Petroleum Does a 1986 Oldsmobile Firenza Cruiser Consume?

Across all models, the average number barrels of petroleum that the 1986 Oldsmobile Firenza Cruiser will consume in one year is 14 barrels.

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

Model OptionBarrels
Automatic 3-spd 4-cyl, 1.8 L12
Manual 5-spd 4-cyl, 1.8 L11
Automatic 3-spd 4-cyl, 2.0 L14
Manual 4-spd 4-cyl, 2.0 L12
Automatic 3-spd 6-cyl, 2.8 L16
Manual 4-spd 6-cyl, 2.8 L16

💨 How Many Grams of CO2 Does a 1986 Oldsmobile Firenza Cruiser Emit?

The 1986 Oldsmobile Firenza Cruiser 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 1986 Oldsmobile Firenza Cruiser.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 6 1986 Oldsmobile Firenza Cruiser model options.

Automatic 3-spd 4-cyl, 1.8 L

The table below contains all of the details we have for the 1986 Oldsmobile Firenza Cruiser Automatic 3-spd 4-cyl, 1.8 L:

City MPG21
Highway MPG28
Combined MPG24
Save/Spend vs Average CarSpend $1,500
Fuel Cost$2,600
Fuel Type 1Regular
Barrels of Petroleum12
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement1.8
TransmissionAutomatic 3-spd
Vehicle ClassSmall Station Wagons
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 5-spd 4-cyl, 1.8 L

The table below contains all of the details we have for the 1986 Oldsmobile Firenza Cruiser Manual 5-spd 4-cyl, 1.8 L:

City MPG23
Highway MPG34
Combined MPG27
Save/Spend vs Average CarSave $0
Fuel Cost$2,300
Fuel Type 1Regular
Barrels of Petroleum11
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement1.8
TransmissionManual 5-spd
Vehicle ClassSmall Station Wagons
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 3-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 1986 Oldsmobile Firenza Cruiser Automatic 3-spd 4-cyl, 2.0 L:

City MPG20
Highway MPG26
Combined MPG22
Save/Spend vs Average CarSpend $2,750
Fuel Cost$2,850
Fuel Type 1Regular
Barrels of Petroleum14
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement2
TransmissionAutomatic 3-spd
Vehicle ClassSmall Station Wagons
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 4-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 1986 Oldsmobile Firenza Cruiser Manual 4-spd 4-cyl, 2.0 L:

City MPG22
Highway MPG29
Combined MPG25
Save/Spend vs Average CarSpend $1,000
Fuel Cost$2,500
Fuel Type 1Regular
Barrels of Petroleum12
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders4
Displacement2
TransmissionManual 4-spd
Vehicle ClassSmall Station Wagons
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 3-spd 6-cyl, 2.8 L

The table below contains all of the details we have for the 1986 Oldsmobile Firenza Cruiser Automatic 3-spd 6-cyl, 2.8 L:

City MPG16
Highway MPG23
Combined MPG19
Save/Spend vs Average CarSpend $5,000
Fuel Cost$3,300
Fuel Type 1Regular
Barrels of Petroleum16
Grams of CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders6
Displacement2.8
TransmissionAutomatic 3-spd
Vehicle ClassSmall Station Wagons
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 4-spd 6-cyl, 2.8 L

The table below contains all of the details we have for the 1986 Oldsmobile Firenza Cruiser Manual 4-spd 6-cyl, 2.8 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 CO2-15,000
Trees Needed to Offset-1
DriveFront-Wheel Drive
Cylinders6
Displacement2.8
TransmissionManual 4-spd
Vehicle ClassSmall Station Wagons
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.

  • "1986 Oldsmobile Firenza Cruiser MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/oldsmobile/firenza-cruiser/1986.

  • "1986 Oldsmobile Firenza Cruiser MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/oldsmobile/firenza-cruiser/1986. Accessed January 3, 2026.

  • 1986 Oldsmobile Firenza Cruiser MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/oldsmobile/firenza-cruiser/1986.