2018 Cadillac Ct6 Plug-In
25MPG
Combined
1
Trim
← 2017
2018
Updated February 27, 2026
The 2018 Cadillac Ct6 Plug-In Sedan provides 25 combined MPG. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.
2018 Cadillac Ct6 Plug-In Specifications
| Spec | Value |
|---|---|
| Combined MPG | 25 combined MPG |
| City MPG | 23 |
| Highway MPG | 29 |
| Body Style | Sedan |
| Fuel Type | PHEV |
| Drive | RWD |
| Available Trims | 1 |
Annual Fuel Cost
Based on EPA estimates, the 2018 Cadillac Ct6 Plug-In costs approximately $2,350 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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Other Model Years
- 2018 (this page)
- 2017 Cadillac Ct6 Plug-In
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