2020 Cadillac Ct6
21MPG
Combined
2
Trims
← 2019
2020
Updated February 27, 2026
Get the full picture on the 2020 Cadillac Ct6. As a Full-Size Sedan, it achieves 17–21 combined MPG depending on trim and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.
2020 Cadillac Ct6 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 17–21 combined MPG depending on trim |
| City MPG | 18 |
| Highway MPG | 27 |
| Body Style | Full-Size Sedan |
| Fuel Type | Regular |
| Drive | AWD |
| Available Trims | 2 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| 6 cyl | 18/27/21 | 3.6L 6cyl | Automatic (S10) |
| 8 cyl | 14/25/17 | 4.2L 8cyl | Automatic (S10) |
Annual Fuel Cost
Based on EPA estimates, the 2020 Cadillac Ct6 costs approximately $2,775 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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