2026 Cadillac CT5 mpg
Combined mpg, Premium Luxury RWD
26mpg
- 22 city, 31 highway.
- Top 50% of 59 sedans (2026).
- 9 trims: 15 to 26 mpg.
12,000 miles a year. Gas $3.20.
| Trim | Engine | Drive | City mpg | Hwy mpg | Combined | Tank, gal | Miles per tank | Cost a year |
|---|---|---|---|---|---|---|---|---|
| 4dr Sdn Premium Luxury RWD | 2.0L 4cyl | RWD | 22 | 31 | 26 | 17.4 | 452 | $1,477 |
| Premium Luxury RWD | 2.0L 4cyl | RWD | 22 | 31 | 26 | 17.0 | 442 | $1,477 |
| 4dr Sdn Sport RWD | 2.0L 4cyl | RWD | 22 | 31 | 26 | 17.4 | 452 | $1,477 |
| Sport RWD | 2.0L 4cyl | RWD | 22 | 31 | 26 | 17.0 | 442 | $1,477 |
| Premium Luxury AWD | 2.0L 4cyl | AWD | 21 | 30 | 24 | 17.0 | 408 | $1,600 |
| Sport AWD | 2.0L 4cyl | AWD | 21 | 30 | 24 | 17.0 | 408 | $1,600 |
| CT5-V 4dr Sdn RWD | 3.0L 6cyl | RWD | 18 | 27 | 21 | 17.4 | 365 | $1,829 |
| V V-Series AWD | 3.0L 6cyl | AWD | 17 | 26 | 20 | 17.4 | 348 | $1,920 |
| V V-Series Blackwing RWD | 6.2L 8cyl | RWD | 13 | 20 | 15 | 17.4 | 261 | $2,560 |
Fuel cost
Premium Luxury RWD, 26 mpg combined.
- Per year
- $1,477
- Per month
- $123
- Per mile
- 12.3 cents
- Fill the tank
- $54.40
- Best mpg: 4dr Sdn Premium Luxury RWD, 26 mpg. $1,477 a year.
- Top trim: V V-Series Blackwing RWD. $2,560 a year. $1,083 more than the Premium Luxury RWD.
Trip cost
| Trip | Gallons | Cost |
|---|---|---|
| 100 miles | 3.2 | $10.32 |
| 300 miles | 9.7 | $30.97 |
| 500 miles | 16.1 | $51.61 |
| 1,000 miles | 32.3 | $103 |
Commute cost
- Per month
- $107
- Per year
- $1,280
- Miles a month
- 867
Premium Luxury RWD. 20 miles each way, 5 days a week.
Is 26 mpg good? Yes. Beats 63% of 2026 cars.
MPG by year
Rivals
| Car | Cheapest trim | Combined mpg | Compare |
|---|---|---|---|
| 2026 Cadillac CT5 | Premium Luxury RWD | 26 mpg | |
| 2026 Mercedes-Benz C-Class | C 300 RWD | 29 mpg | Compare |
| 2026 Dodge Charger | R/T AWD | 20 mpg | Compare |
| 2026 Audi A5 | Premium AWD | 26 mpg | Compare |
| 2026 BMW 3 Series | 330i Sedan RWD | 31 mpg | Compare |
| 2026 Lexus ES EV | ES 350h Premium FWD | 46 mpg | |
| 2026 Lexus ES Hybrid | ES 350e Premium FWD | 46 mpg | Compare |
What this cannot tell you
EPA ratings. Your own mpg will differ.
Gas prices change by state and by week.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree