2015 Cadillac CTS
7 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| CTS | 14 | 19 | 16 | Premium Gasoline | Rear-Wheel Drive | 6.2L 8-cyl Supercharged | Manual 6-spd |
| CTS | 12 | 18 | 14 | Premium Gasoline | Rear-Wheel Drive | 6.2L 8-cyl Supercharged | Automatic (S6) |
| CTS Sedan | 18 | 28 | 22 | Regular Gasoline | Rear-Wheel Drive | 3.6L 6-cyl | Automatic (S8) |
| CTS Sedan | 16 | 24 | 18 | Premium Gasoline | Rear-Wheel Drive | 3.6L 6-cyl Turbo | Automatic (S8) |
| CTS Sedan | 20 | 30 | 24 | Regular Gasoline | Rear-Wheel Drive | 2L 4-cyl Turbo | Automatic (S6) |
| CTS Sedan AWD | 19 | 27 | 22 | Regular Gasoline | All-Wheel Drive | 2L 4-cyl Turbo | Automatic (S6) |
| CTS Sedan AWD | 18 | 26 | 21 | Regular Gasoline | All-Wheel Drive | 3.6L 6-cyl | Automatic (S6) |