2018 GMC Terrain FWD MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2018 GMC Terrain FWD.

The 2018 GMC Terrain FWD has 3 model options: Automatic 9-spd 4-cyl, 2.0 L, Automatic 9-spd 4-cyl, 1.5 L and Automatic 6-spd 4-cyl, 1.6 L.

The 2018 GMC Terrain FWD Automatic 9-spd 4-cyl, 2.0 L runs on premium gasoline and is in the Small Sport Utility Vehicle 2WD car class.

The 2018 GMC Terrain FWD Automatic 9-spd 4-cyl, 1.5 L runs on regular gasoline and is in the Small Sport Utility Vehicle 2WD car class.

The 2018 GMC Terrain FWD Automatic 6-spd 4-cyl, 1.6 L runs on diesel and is in the Small Sport Utility Vehicle 2WD car class.

🛣 How Many Miles per Gallon (MPG) Does a 2018 GMC Terrain FWD Get?

Across all models, the combined average MPG for the 2018 GMC Terrain FWD is 28 miles per gallon.

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

Model Option Combined MPG City MPG Highway MPG
Automatic 9-spd 4-cyl, 2.0 L 24 22 28
Automatic 9-spd 4-cyl, 1.5 L 28 26 30
Automatic 6-spd 4-cyl, 1.6 L 32 28 39

💵 What is the Average Yearly Fuel Cost for a 2018 GMC Terrain FWD?

The average fuel costs for all models of the 2018 GMC Terrain FWD is $2,583.

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 2018 GMC Terrain FWD to an average vehicle over 5 years, you will spend $1,417 more on fuel.

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

Model Option Fuel Cost 5-Year Save/Spend
Automatic 9-spd 4-cyl, 2.0 L $3,100 spend $4,000 more
Automatic 9-spd 4-cyl, 1.5 L $2,250 save $250
Automatic 6-spd 4-cyl, 1.6 L $2,400 spend $500 more

🛢 How Many Barrels of Petroleum Does a 2018 GMC Terrain FWD Consume?

Across all models, the average number barrels of petroleum that the 2018 GMC Terrain FWD will consume in one year is 11 barrels.

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

Model Option Barrels
Automatic 9-spd 4-cyl, 2.0 L 12
Automatic 9-spd 4-cyl, 1.5 L 11
Automatic 6-spd 4-cyl, 1.6 L 11

💨 How Many Grams of CO2 Does a 2018 GMC Terrain FWD Emit?

The 2018 GMC Terrain FWD will emit an average of about 5,020,000 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 171 trees would be needed to offset emissions from the 2018 GMC Terrain FWD.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 3 2018 GMC Terrain FWD model options.

Automatic 9-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 2018 GMC Terrain FWD Automatic 9-spd 4-cyl, 2.0 L:

City MPG 22
Highway MPG 28
Combined MPG 24
Save/Spend vs Average Car Spend $4,000
Fuel Cost $3,100
Fuel Type 1 Premium
Barrels of Petroleum 12
Grams of CO2 5,535,000
Trees Needed to Offset 264
Drive Front-Wheel Drive
Cylinders 4
Transmission Automatic 9-spd
Vehicle Class Small Sport Utility Vehicle 2WD
Start/Stop? Yes
Supercharged? No
Turbocharged? Yes

Automatic 9-spd 4-cyl, 1.5 L

The table below contains all of the details we have for the 2018 GMC Terrain FWD Automatic 9-spd 4-cyl, 1.5 L:

City MPG 26
Highway MPG 30
Combined MPG 28
Save/Spend vs Average Car Save 250
Fuel Cost $2,250
Fuel Type 1 Regular
Barrels of Petroleum 11
Grams of CO2 4,740,000
Trees Needed to Offset 226
Drive Front-Wheel Drive
Cylinders 4
Transmission Automatic 9-spd
Vehicle Class Small Sport Utility Vehicle 2WD
Start/Stop? Yes
Supercharged? No
Turbocharged? Yes

Automatic 6-spd 4-cyl, 1.6 L

The table below contains all of the details we have for the 2018 GMC Terrain FWD Automatic 6-spd 4-cyl, 1.6 L:

City MPG 28
Highway MPG 39
Combined MPG 32
Save/Spend vs Average Car Spend $500
Fuel Cost $2,400
Fuel Type 1 Diesel
ATV Type Diesel
Barrels of Petroleum 11
Grams of CO2 4,785,000
Trees Needed to Offset 228
Drive Front-Wheel Drive
Cylinders 4
Transmission Automatic 6-spd
Vehicle Class Small Sport Utility Vehicle 2WD
Start/Stop? Yes
Supercharged? No
Turbocharged? Yes

Disclaimer

Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.

MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.

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  • "2018 GMC Terrain FWD MPG and Fuel Economy". MPG Buddy. Accessed on November 21, 2024. http://mpgbuddy.com/cars/gmc/terrain-fwd/2018.

  • "2018 GMC Terrain FWD MPG and Fuel Economy". MPG Buddy, http://mpgbuddy.com/cars/gmc/terrain-fwd/2018. Accessed 21 November, 2024

  • 2018 GMC Terrain FWD MPG and Fuel Economy. MPG Buddy. Retrieved from http://mpgbuddy.com/cars/gmc/terrain-fwd/2018.