2018 Cadillac CTS-V 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 Cadillac CTS-V.

The 2018 Cadillac CTS-V runs on premium gasoline and is in the Midsize Cars car class.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2018 Cadillac CTS-V is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2018 Cadillac CTS-V Get?

First off, the most commonly asked question. A 2018 Cadillac CTS-V gets up to 14 miles per gallon in the city, and 21 miles per gallon on the highway.

The combined average MPG for the 2018 Cadillac CTS-V is 17 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2018 Cadillac CTS-V?

The estimated fuel costs for the 2018 Cadillac CTS-V is $4,350 per year.

That value has 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.

If you were to compare a 2018 Cadillac CTS-V to an average vehicle over 5 years, you will spend $10,250 more on fuel.

The 2018 Cadillac CTS-V 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 combined average MPG for the 2018 Cadillac CTS-V is 17 miles per gallon, and according to the current tax for each level of MPG, you can expect to pay a tax of $3,000 per year.

🛢 How Many Barrels of Petroleum Does a 2018 Cadillac CTS-V Consume?

The 2018 Cadillac CTS-V will consume roughly 18 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

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

💨 How Many Grams of CO2 Does a 2018 Cadillac CTS-V Emit?

For every mile driven, the 2018 Cadillac CTS-V will emit 530 grams of CO2, which is about 7,950,000 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 271 trees would be needed to offset emissions from the 2018 Cadillac CTS-V.


The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2018 Cadillac CTS-V.

City MPG 14
Highway MPG 21
Combined MPG 17
Save/Spend vs Average Car Spend $10,250
Gas Guzzler Tax $7,700
Fuel Cost $4,350
Fuel Type 1 Premium
Barrels of Petroleum 18
Grams of CO2 7,950,000
Trees Needed to Offset 379
Drive Rear-Wheel Drive
Cylinders 8
Transmission Automatic (S8)
Vehicle Class Midsize Cars
Start/Stop? No
Supercharged? Yes
Turbocharged? No

Related Cadillac Models from 2018

If you're interested in other Cadillac models from 2018, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.

Model Combined MPG
Escalade 2WD 17
XT5 22
CTS 25
ATS-V 20
CT6 Plug-In 25
Escalade 4WD 17
ATS 24
XTS Hearse 17
ATS 25
CTS 24
CT6 AWD 21
CT6 AWD 21
CT6 25
XTS 22
CTS 19


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 Cadillac CTS-V MPG and Fuel Economy". MPG Buddy. Accessed on August 19, 2022. http://mpgbuddy.com/cars/cadillac/cts-v/2018.

  • "2018 Cadillac CTS-V MPG and Fuel Economy". MPG Buddy, http://mpgbuddy.com/cars/cadillac/cts-v/2018. Accessed 19 August, 2022

  • 2018 Cadillac CTS-V MPG and Fuel Economy. MPG Buddy. Retrieved from http://mpgbuddy.com/cars/cadillac/cts-v/2018.