1984 Mercury Topaz MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 1984 Mercury Topaz.

The 1984 Mercury Topaz has 7 model options: Manual 5-spd 4-cyl, 2.0 L, Automatic 3-spd 4-cyl, 2.3 L, Automatic 3-spd 4-cyl, 2.3 L, Manual 5-spd 4-cyl, 2.3 L, Manual 5-spd 4-cyl, 2.0 L, Automatic 3-spd 4-cyl, 2.3 L and Manual 5-spd 4-cyl, 2.3 L.

The 1984 Mercury Topaz Manual 5-spd 4-cyl, 2.0 L runs on diesel and is in the Compact Cars car class.

The 1984 Mercury Topaz Automatic 3-spd 4-cyl, 2.3 L runs on regular gasoline and is in the Compact Cars car class.

The 1984 Mercury Topaz Automatic 3-spd 4-cyl, 2.3 L runs on regular gasoline and is in the Compact Cars car class.

The 1984 Mercury Topaz Manual 5-spd 4-cyl, 2.3 L runs on regular gasoline and is in the Compact Cars car class.

The 1984 Mercury Topaz Manual 5-spd 4-cyl, 2.0 L runs on diesel and is in the Compact Cars car class.

The 1984 Mercury Topaz Automatic 3-spd 4-cyl, 2.3 L runs on regular gasoline and is in the Compact Cars car class.

The 1984 Mercury Topaz Manual 5-spd 4-cyl, 2.3 L runs on regular gasoline and is in the Compact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 1984 Mercury Topaz Get?

Across all models, the combined average MPG for the 1984 Mercury Topaz is 26 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Manual 5-spd 4-cyl, 2.0 L343139
Automatic 3-spd 4-cyl, 2.3 L222125
Automatic 3-spd 4-cyl, 2.3 L222024
Manual 5-spd 4-cyl, 2.3 L242129
Manual 5-spd 4-cyl, 2.0 L343139
Automatic 3-spd 4-cyl, 2.3 L211924
Manual 5-spd 4-cyl, 2.3 L222026

💵 What is the Average Yearly Fuel Cost for a 1984 Mercury Topaz?

The average fuel costs for all models of the 1984 Mercury Topaz is $2,664.

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 1984 Mercury Topaz to an average vehicle over 5 years, you will spend $1,821 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 4-cyl, 2.0 L$2,250save $250
Automatic 3-spd 4-cyl, 2.3 L$2,850spend $2,750 more
Automatic 3-spd 4-cyl, 2.3 L$2,850spend $2,750 more
Manual 5-spd 4-cyl, 2.3 L$2,600spend $1,500 more
Manual 5-spd 4-cyl, 2.0 L$2,250save $250
Automatic 3-spd 4-cyl, 2.3 L$3,000spend $3,500 more
Manual 5-spd 4-cyl, 2.3 L$2,850spend $2,750 more

🛢 How Many Barrels of Petroleum Does a 1984 Mercury Topaz Consume?

Across all models, the average number barrels of petroleum that the 1984 Mercury Topaz will consume in one year is 13 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 4-cyl, 2.0 L11
Automatic 3-spd 4-cyl, 2.3 L14
Automatic 3-spd 4-cyl, 2.3 L14
Manual 5-spd 4-cyl, 2.3 L12
Manual 5-spd 4-cyl, 2.0 L11
Automatic 3-spd 4-cyl, 2.3 L14
Manual 5-spd 4-cyl, 2.3 L14

💨 How Many Grams of CO2 Does a 1984 Mercury Topaz Emit?

The 1984 Mercury Topaz 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 1984 Mercury Topaz.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 7 1984 Mercury Topaz model options.

Manual 5-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 1984 Mercury Topaz Manual 5-spd 4-cyl, 2.0 L:

City MPG31
Highway MPG39
Combined MPG34
Save/Spend vs Average CarSave $250
Fuel Cost$2,250
Fuel Type 1Diesel
ATV TypeDiesel
Barrels of Petroleum11
Grams of CO2-15,000
Trees Needed to Offset-1
Cylinders4
Displacement2
TransmissionManual 5-spd
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 3-spd 4-cyl, 2.3 L

The table below contains all of the details we have for the 1984 Mercury Topaz Automatic 3-spd 4-cyl, 2.3 L:

City MPG21
Highway MPG25
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
Cylinders4
Displacement2.3
TransmissionAutomatic 3-spd
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 3-spd 4-cyl, 2.3 L

The table below contains all of the details we have for the 1984 Mercury Topaz Automatic 3-spd 4-cyl, 2.3 L:

City MPG20
Highway MPG24
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
Cylinders4
Displacement2.3
TransmissionAutomatic 3-spd
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 5-spd 4-cyl, 2.3 L

The table below contains all of the details we have for the 1984 Mercury Topaz Manual 5-spd 4-cyl, 2.3 L:

City MPG21
Highway MPG29
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
Cylinders4
Displacement2.3
TransmissionManual 5-spd
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 5-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 1984 Mercury Topaz Manual 5-spd 4-cyl, 2.0 L:

City MPG31
Highway MPG39
Combined MPG34
Save/Spend vs Average CarSave $250
Fuel Cost$2,250
Fuel Type 1Diesel
ATV TypeDiesel
Barrels of Petroleum11
Grams of CO2-15,000
Trees Needed to Offset-1
Cylinders4
Displacement2
TransmissionManual 5-spd
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 3-spd 4-cyl, 2.3 L

The table below contains all of the details we have for the 1984 Mercury Topaz Automatic 3-spd 4-cyl, 2.3 L:

City MPG19
Highway MPG24
Combined MPG21
Save/Spend vs Average CarSpend $3,500
Fuel Cost$3,000
Fuel Type 1Regular
Barrels of Petroleum14
Grams of CO2-15,000
Trees Needed to Offset-1
Cylinders4
Displacement2.3
TransmissionAutomatic 3-spd
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 5-spd 4-cyl, 2.3 L

The table below contains all of the details we have for the 1984 Mercury Topaz Manual 5-spd 4-cyl, 2.3 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
Cylinders4
Displacement2.3
TransmissionManual 5-spd
Vehicle ClassCompact Cars
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.

  • "1984 Mercury Topaz MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercury/topaz/1984.

  • "1984 Mercury Topaz MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercury/topaz/1984. Accessed January 3, 2026.

  • 1984 Mercury Topaz MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercury/topaz/1984.