2018 Cadillac CT6 Specs, MPG & Trims
EPA fuel-economy data and specifications for the 2018 Cadillac CT6 (21–25 MPG combined) across 4 listed configurations.
Overview
- Body class
- Large Cars, Midsize Cars
- Drive
- All-Wheel Drive, Rear-Wheel Drive
- Engine
- 6-cyl, 3.0 L; 6-cyl, 3.6 L; 4-cyl, 2.0 L
- Fuel type
- Premium Gasoline, Regular Gasoline
- Combined MPG
- 21–25 MPG
- Annual fuel cost
- $3,200–$3,900
- Configurations
- 4
MPG & fuel economy
City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.
| Powertrain | City | Highway | Combined | Annual fuel cost | CO2 | Range |
|---|---|---|---|---|---|---|
| 6-cyl 3.0 L · Premium Gasoline · All-Wheel Drive | 18 | 26 | 21 | $3,900 | 424 g/mi | — |
| 4-cyl 2.0 L · Premium Gasoline · Rear-Wheel Drive | 22–23 | 29–30 | 25 | $3,300 | 144–360 g/mi | 430 mi |
| 6-cyl 3.6 L · Regular Gasoline · All-Wheel Drive | 18 | 27 | 21 | $3,200 | 416 g/mi | — |
Configurations & engine comparison
Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.
| Configuration / engine | Drive | Transmission | Cyl. | Displ. (L) | Fuel type | City | Hwy | Comb. | Annual cost |
|---|---|---|---|---|---|---|---|---|---|
| CT6 | Rear-Wheel Drive | Automatic (S8) | 4 | 2.0 | Premium Gasoline | 22 | 30 | 25 | $3,300 |
| CT6 AWD | All-Wheel Drive | Automatic (S8) | 6 | 3.0 | Premium Gasoline | 18 | 26 | 21 | $3,900 |
| CT6 AWD | All-Wheel Drive | Automatic (S8) | 6 | 3.6 | Regular Gasoline | 18 | 27 | 21 | $3,200 |
| CT6 Plug-In | Rear-Wheel Drive | Automatic (variable gear ratios) | 4 | 2.0 | Premium Gasoline | 23 | 29 | 25 | $3,300 |
Frequently asked questions
What is the combined MPG of the 2018 Cadillac CT6?
According to EPA data, the 2018 Cadillac CT6 is rated at 21–25 MPG combined for its conventional-fuel configurations.
How many cylinders does the 2018 Cadillac CT6 have?
The EPA data lists 4 and 6 cylinders across its configurations.
What fuel type does the 2018 Cadillac CT6 use?
It is offered with Premium Gasoline and Regular Gasoline.
What is the annual fuel cost of the 2018 Cadillac CT6?
The EPA estimates annual fuel costs ranging from $3,200 to $3,900.