- Newest year: 2026
- Gas
- Small cars
2020-2026 Cadillac CT4 MPG & Fuel Cost
7 model years · 18–27 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 small car configurations, MY2026. Ranked against all rated configurations, not sales-weighted.
2020-2026 Cadillac CT4 at a glance
The 2020-2026 Cadillac CT4 covers 7 model years in the EPA database (52 configurations in all), rated 18–27 MPG combined. The newest model year, 2026, costs about $3,110 a year to fuel for its most efficient version, the CT4 2.0L 4-cyl turbo RWD (26 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2021, 2022, 2023, 2024, 2025 and 2026. The best combined rating in the generation, 27 MPG, was reached in 2020, 2021, 2022 and 2023.
2020-2026 Cadillac CT4 by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2026 | Gas | 18–26 MPG | $3,110–$4,390 | Ratings changed |
| 2025 | Gas | 18–26 MPG | $3,110–$4,390 | Ratings changed |
| 2024 | Gas | 18–26 MPG | $3,110–$4,420 | Ratings changed |
| 2023 | Gas | 18–27 MPG | $3,000–$4,420 | Ratings changed |
| 2022 | Gas | 18–27 MPG | $3,000–$4,420 | Ratings changed |
| 2021 | Gas | 23–27 MPG | $2,960–$3,490 | Ratings changed |
| 2020 | Gas | 23–27 MPG | $2,960–$3,490 | First year |
What the 2026 CT4 2.0L 4-cyl turbo RWD costs to drive
Per month
$259
$3,110 a year ÷ 12
Per 25 miles
$5.18
Per 100 miles
$20.73
Five years
$15,550
5 × the yearly cost, prices held at today's level
vs the small car median
$210more a year
Class median $2,900 a year, MY2026
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2026 Cadillac CT4 MPG
Versus 2025: The most efficient configuration stays at 26 MPG. Its annual cost stays at $3,110.
Gas configurations (8)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CT4 2.0L 4-cyl turbo RWD (Most efficient) | 2.0L 4-cyl turbo | RWD | 22 | 32 | 26 | $3,110 |
| CT4 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 21 | 31 | 25 | $3,190 |
| CT4 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 21 | 31 | 25 | $3,240 |
| CT4 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,370 |
| V 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,420 |
| V 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 20 | 29 | 23 | $3,470 |
| V 3.6L 6-cyl turbo RWD Automatic (S10) | 3.6L 6-cyl turbo | RWD | 16 | 24 | 19 | $4,320 |
| V 3.6L 6-cyl turbo RWD Manual 6-spd | 3.6L 6-cyl turbo | RWD | 15 | 23 | 18 | $4,390 |
8 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2025 Cadillac CT4 MPG
18–26 MPG · $3,110–$4,390/yr
Versus 2024: The most efficient configuration stays at 26 MPG. Its annual cost stays at $3,110.
Gas configurations (8)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CT4 2.0L 4-cyl turbo RWD (Most efficient) | 2.0L 4-cyl turbo | RWD | 22 | 32 | 26 | $3,110 |
| CT4 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 21 | 31 | 25 | $3,190 |
| CT4 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 21 | 31 | 25 | $3,240 |
| CT4 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,370 |
| V 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,420 |
| V 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 20 | 29 | 23 | $3,480 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| V 3.6L 6-cyl turbo RWD Automatic (S10) | 3.6L 6-cyl turbo | RWD | 16 | 24 | 19 | $4,320 |
| V 3.6L 6-cyl turbo RWD Manual 6-spd | 3.6L 6-cyl turbo | RWD | 15 | 23 | 18 | $4,390 |
8 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2024 Cadillac CT4 MPG
18–26 MPG · $3,110–$4,420/yr
Versus 2023: The most efficient configuration moves from 27 to 26 MPG, down 1. Its annual cost goes from $3,000 to $3,110, $110 more.
Gas configurations (8)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CT4 2.0L 4-cyl turbo RWD (Most efficient) | 2.0L 4-cyl turbo | RWD | 22 | 32 | 26 | $3,110 |
| CT4 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 21 | 31 | 25 | $3,190 |
| CT4 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 21 | 31 | 25 | $3,240 |
| CT4 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,370 |
| V 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,420 |
| V 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 20 | 29 | 23 | $3,480 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| V 3.6L 6-cyl turbo RWD Automatic (S10) | 3.6L 6-cyl turbo | RWD | 16 | 24 | 19 | $4,320 |
| V 3.6L 6-cyl turbo RWD Manual 6-spd | 3.6L 6-cyl turbo | RWD | 15 | 23 | 18 | $4,420 |
8 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2023 Cadillac CT4 MPG
18–27 MPG · $3,000–$4,420/yr
Versus 2022: The most efficient configuration stays at 27 MPG. Its annual cost stays at $3,000.
Gas configurations (8)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CT4 2.0L 4-cyl turbo RWD (Most efficient) | 2.0L 4-cyl turbo | RWD | 23 | 34 | 27 | $3,000 |
| CT4 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 22 | 31 | 26 | $3,150 |
| CT4 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 21 | 31 | 25 | $3,240 |
| CT4 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,370 |
| V 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,420 |
| V 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 20 | 29 | 23 | $3,500 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| V 3.6L 6-cyl turbo RWD Automatic (S10) | 3.6L 6-cyl turbo | RWD | 16 | 24 | 19 | $4,320 |
| V 3.6L 6-cyl turbo RWD Manual 6-spd | 3.6L 6-cyl turbo | RWD | 15 | 23 | 18 | $4,420 |
8 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2022 Cadillac CT4 MPG
18–27 MPG · $3,000–$4,420/yr
Versus 2021: The most efficient configuration stays at 27 MPG. Its annual cost goes from $2,960 to $3,000, $40 more.
Gas configurations (8)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CT4 2.0L 4-cyl turbo RWD (Most efficient) | 2.0L 4-cyl turbo | RWD | 23 | 34 | 27 | $3,000 |
| CT4 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 22 | 31 | 26 | $3,150 |
| CT4 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 21 | 31 | 25 | $3,240 |
| CT4 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,400 |
| V 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,490 |
| V 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 20 | 29 | 23 | $3,500 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| V 3.6L 6-cyl turbo RWD Automatic (S10) | 3.6L 6-cyl turbo | RWD | 16 | 24 | 19 | $4,320 |
| V 3.6L 6-cyl turbo RWD Manual 6-spd | 3.6L 6-cyl turbo | RWD | 15 | 23 | 18 | $4,420 |
8 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2021 Cadillac CT4 MPG
23–27 MPG · $2,960–$3,490/yr
Versus 2020: The most efficient configuration stays at 27 MPG. Its annual cost stays at $2,960.
Gas configurations (6)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CT4 2.0L 4-cyl turbo RWD (Most efficient) | 2.0L 4-cyl turbo | RWD | 23 | 34 | 27 | $2,960 |
| CT4 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 23 | 32 | 26 | $3,100 |
| CT4 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 21 | 31 | 25 | $3,240 |
| CT4 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,390 |
| V 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 20 | 29 | 23 | $3,490 |
| V 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,490 |
6 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Cadillac CT4 MPG
23–27 MPG · $2,960–$3,490/yr
Gas configurations (6)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| CT4 2.0L 4-cyl turbo RWD (Most efficient) | 2.0L 4-cyl turbo | RWD | 23 | 34 | 27 | $2,960 |
| CT4 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 23 | 32 | 26 | $3,100 |
| CT4 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 20 | 30 | 24 | $3,390 |
| CT4 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,470 |
| V 2.7L 4-cyl turbo AWD | 2.7L 4-cyl turbo | AWD | 20 | 28 | 23 | $3,470 |
| V 2.7L 4-cyl turbo RWD | 2.7L 4-cyl turbo | RWD | 20 | 29 | 23 | $3,490 |
6 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the CT4 2.0L 4-cyl turbo RWD: $3,710 in California and $2,700 in Texas, a $1,010 difference.
- California $3,710
- Washington $3,490
- New York $3,080
- Florida $2,840
- Texas $2,700
Similar cars
Closest combined MPG among MY2026 small car models.
Generations
- 2020-2026 (2020)
Frequently asked questions
What gas mileage does the 2020-2026 Cadillac CT4 get?
EPA rates the 2020-2026 Cadillac CT4 at 18–27 MPG combined across 52 configurations and 7 model years. The most efficient version, the 2023 CT4 2.0L 4-cyl turbo RWD, is rated 27 MPG (23 city, 34 highway).
Which years had the best MPG in the 2020-2026 Cadillac CT4?
The CT4 2.0L 4-cyl turbo RWD reached the generation's best combined rating, 27 MPG, in 2020, 2021, 2022 and 2023. The lowest top rating, 26 MPG, was in 2024, 2025 and 2026.
Did EPA ratings change during the 2020-2026 Cadillac CT4?
Yes. Ratings changed in 2021, 2022, 2023, 2024, 2025 and 2026.
How much does it cost to fuel a 2026 Cadillac CT4 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the CT4 2.0L 4-cyl turbo RWD costs about $3,110 a year. Across all 8 configurations the cost runs $3,110–$4,390 a year. That is a $1,280 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2026 Cadillac CT4 100 miles?
About $20.73 per 100 miles for the CT4 2.0L 4-cyl turbo RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $20.73 and $29.27 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2026 Cadillac CT4 more efficient in the city or on the highway?
The CT4 2.0L 4-cyl turbo RWD is rated 22 city and 32 highway MPG, so it is more efficient on the highway, by 10 MPG.
How does the 2026 Cadillac CT4 compare with other small car configurations?
The CT4 2.0L 4-cyl turbo RWD costs about $3,110 a year to fuel, $210 more than the class median of $2,900, and less than 4 of 10 small car configurations. The comparison covers all 195 rated small car configurations for MY2026, not weighted by sales.
Is the 2026 Cadillac CT4 different from the 2025 model?
The most efficient configuration stays at 26 MPG. Its annual cost stays at $3,110. EPA lists 8 configurations for 2026 against 8 configurations for 2025. See the 2025 Cadillac CT4 for that year.