1997 GMC Sierra 2500 2WD MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 1997 GMC Sierra 2500 2WD.

The 1997 GMC Sierra 2500 2WD has 5 model options: Automatic 4-spd 8-cyl, 5.0 L, Manual 5-spd 8-cyl, 5.0 L, Automatic 4-spd 8-cyl, 5.7 L, Manual 5-spd 8-cyl, 5.7 L and Automatic 4-spd 8-cyl, 6.5 L.

The 1997 GMC Sierra 2500 2WD Automatic 4-spd 8-cyl, 5.0 L runs on regular gasoline and is in the Standard Pickup Trucks car class.

The 1997 GMC Sierra 2500 2WD Manual 5-spd 8-cyl, 5.0 L runs on regular gasoline and is in the Standard Pickup Trucks car class.

The 1997 GMC Sierra 2500 2WD Automatic 4-spd 8-cyl, 5.7 L runs on regular gasoline and is in the Standard Pickup Trucks car class.

The 1997 GMC Sierra 2500 2WD Manual 5-spd 8-cyl, 5.7 L runs on regular gasoline and is in the Standard Pickup Trucks car class.

The 1997 GMC Sierra 2500 2WD Automatic 4-spd 8-cyl, 6.5 L runs on diesel and is in the Standard Pickup Trucks car class.

🛣 How Many Miles per Gallon (MPG) Does a 1997 GMC Sierra 2500 2WD Get?

Across all models, the combined average MPG for the 1997 GMC Sierra 2500 2WD is 15 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic 4-spd 8-cyl, 5.0 L151417
Manual 5-spd 8-cyl, 5.0 L151419
Automatic 4-spd 8-cyl, 5.7 L151417
Manual 5-spd 8-cyl, 5.7 L151318
Automatic 4-spd 8-cyl, 6.5 L151417

💵 What is the Average Yearly Fuel Cost for a 1997 GMC Sierra 2500 2WD?

The average fuel costs for all models of the 1997 GMC Sierra 2500 2WD is $4,350.

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 1997 GMC Sierra 2500 2WD to an average vehicle over 5 years, you will spend $10,250 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 4-spd 8-cyl, 5.0 L$4,150spend $9,250 more
Manual 5-spd 8-cyl, 5.0 L$4,150spend $9,250 more
Automatic 4-spd 8-cyl, 5.7 L$4,150spend $9,250 more
Manual 5-spd 8-cyl, 5.7 L$4,150spend $9,250 more
Automatic 4-spd 8-cyl, 6.5 L$5,150spend $14,250 more

🛢 How Many Barrels of Petroleum Does a 1997 GMC Sierra 2500 2WD Consume?

Across all models, the average number barrels of petroleum that the 1997 GMC Sierra 2500 2WD will consume in one year is 21 barrels.

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

Model OptionBarrels
Automatic 4-spd 8-cyl, 5.0 L20
Manual 5-spd 8-cyl, 5.0 L20
Automatic 4-spd 8-cyl, 5.7 L20
Manual 5-spd 8-cyl, 5.7 L20
Automatic 4-spd 8-cyl, 6.5 L24

💨 How Many Grams of CO2 Does a 1997 GMC Sierra 2500 2WD Emit?

The 1997 GMC Sierra 2500 2WD 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 1997 GMC Sierra 2500 2WD.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 5 1997 GMC Sierra 2500 2WD model options.

Automatic 4-spd 8-cyl, 5.0 L

The table below contains all of the details we have for the 1997 GMC Sierra 2500 2WD Automatic 4-spd 8-cyl, 5.0 L:

City MPG14
Highway MPG17
Combined MPG15
Save/Spend vs Average CarSpend $9,250
Fuel Cost$4,150
Fuel Type 1Regular
Barrels of Petroleum20
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders8
Displacement5
TransmissionAutomatic 4-spd
Vehicle ClassStandard Pickup Trucks
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 5-spd 8-cyl, 5.0 L

The table below contains all of the details we have for the 1997 GMC Sierra 2500 2WD Manual 5-spd 8-cyl, 5.0 L:

City MPG14
Highway MPG19
Combined MPG15
Save/Spend vs Average CarSpend $9,250
Fuel Cost$4,150
Fuel Type 1Regular
Barrels of Petroleum20
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders8
Displacement5
TransmissionManual 5-spd
Vehicle ClassStandard Pickup Trucks
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 4-spd 8-cyl, 5.7 L

The table below contains all of the details we have for the 1997 GMC Sierra 2500 2WD Automatic 4-spd 8-cyl, 5.7 L:

City MPG14
Highway MPG17
Combined MPG15
Save/Spend vs Average CarSpend $9,250
Fuel Cost$4,150
Fuel Type 1Regular
Barrels of Petroleum20
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders8
Displacement5.7
TransmissionAutomatic 4-spd
Vehicle ClassStandard Pickup Trucks
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 5-spd 8-cyl, 5.7 L

The table below contains all of the details we have for the 1997 GMC Sierra 2500 2WD Manual 5-spd 8-cyl, 5.7 L:

City MPG13
Highway MPG18
Combined MPG15
Save/Spend vs Average CarSpend $9,250
Fuel Cost$4,150
Fuel Type 1Regular
Barrels of Petroleum20
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders8
Displacement5.7
TransmissionManual 5-spd
Vehicle ClassStandard Pickup Trucks
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic 4-spd 8-cyl, 6.5 L

The table below contains all of the details we have for the 1997 GMC Sierra 2500 2WD Automatic 4-spd 8-cyl, 6.5 L:

City MPG14
Highway MPG17
Combined MPG15
Save/Spend vs Average CarSpend $14,250
Fuel Cost$5,150
Fuel Type 1Diesel
ATV TypeDiesel
Barrels of Petroleum24
Grams of CO2-15,000
Trees Needed to Offset-1
DriveRear-Wheel Drive
Cylinders8
Displacement6.5
TransmissionAutomatic 4-spd
Vehicle ClassStandard Pickup Trucks
Start/Stop?No
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.

  • "1997 GMC Sierra 2500 2WD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/gmc/sierra-2500-2wd/1997.

  • "1997 GMC Sierra 2500 2WD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/gmc/sierra-2500-2wd/1997. Accessed January 3, 2026.

  • 1997 GMC Sierra 2500 2WD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/gmc/sierra-2500-2wd/1997.