Cadillac CT6 Plug-In MPG and Fuel Economy
Cadillac have been manufacturing models of CT6 Plug-In for 2 years, with the latest vehicle in 2018 having a combined MPG of 25.
The estimated fuel cost for the 2018 Cadillac CT6 Plug-In is $2,950 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will save $2,500 on fuel driving a 2018 Cadillac CT6 Plug-In.
🛢 The Cadillac CT6 Plug-In will consume roughly 5 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Cadillac CT6 Plug-In will emit 144 grams of CO2, which is about 2,160,000 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 103 trees would be needed to offset emissions from the Cadillac CT6 Plug-In.
The table below is a complete list of the 2 Cadillac CT6 Plug-In fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2018 Cadillac CT6 Plug-In | 25 | $2,950 |
| 2017 Cadillac CT6 Plug-In | 26 | $2,850 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/cadillac/ct6-plug-in">Cadillac CT6 Plug-In MPG and Fuel Economy</a>
"Cadillac CT6 Plug-In MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/cadillac/ct6-plug-in.
"Cadillac CT6 Plug-In MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/cadillac/ct6-plug-in. Accessed January 3, 2026.
Cadillac CT6 Plug-In MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/cadillac/ct6-plug-in.