
The following table compares the fuel economies of different models of Cadillac CT6 cars, across model years.
The annual fuel costs (shown in the right-hand columns) are calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
Annual Cost 1 assumes a fuel cost of $5.00 per gallon, while Annual Cost 2 assumes a fuel cost of $6.00 per gallon.
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2020 CT6 AWD | Automatic 10-speed | 6 | 21 | 18 | 27 | $3,541 | $4,250 |
| 2020 CT6 AWD | Automatic (S10) | 8 | 17 | 14 | 25 | $4,296 | $5,155 |
| 2019 CT6 AWD | Automatic (S10) | 6 | 21 | 18 | 27 | $3,541 | $4,250 |
| 2019 CT6 AWD | Automatic (S10) | 6 | 21 | 18 | 26 | $3,589 | $4,307 |
| 2019 CT6 AWD | Automatic (S10) | 8 | 17 | 14 | 25 | $4,296 | $5,155 |
| 2018 CT6 AWD | Automatic (S8) | 6 | 21 | 18 | 26 | $3,589 | $4,307 |
| 2018 CT6 AWD | Automatic (S8) | 6 | 21 | 18 | 27 | $3,541 | $4,250 |
| 2017 CT6 AWD | Automatic (S8) | 6 | 21 | 18 | 27 | $3,541 | $4,250 |
| 2017 CT6 AWD | Automatic (S8) | 6 | 21 | 18 | 26 | $3,589 | $4,307 |
| 2016 CT6 AWD | Automatic (S8) | 6 | 21 | 18 | 26 | $3,589 | $4,307 |
| 2016 CT6 AWD | Automatic (S8) | 6 | 21 | 18 | 27 | $3,541 | $4,250 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2018 CT6 Plug-In | Automatic (variable gear ratios) | 4 | 25 | 23 | 29 | $2,957 | $3,548 |
| 2017 CT6 Plug-In | Automatic (variable gear ratios) | 4 | 26 | 23 | 29 | $2,957 | $3,548 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2019 CT6 | Automatic (S10) | 4 | 28 | 24 | 34 | $2,711 | $3,253 |
| 2018 CT6 | Automatic (S8) | 4 | 25 | 22 | 30 | $3,000 | $3,600 |
| 2017 CT6 | Automatic (S8) | 4 | 25 | 22 | 30 | $3,000 | $3,600 |
| 2016 CT6 | Automatic (S8) | 4 | 25 | 22 | 30 | $3,000 | $3,600 |
Data source: Fuel Economy USA, Reference.