Cadillac Fuel Economy and Fuel Cost by Model
Cadillac has 33 models with EPA fuel economy ratings between 2000 and 2027. In model year 2026 the combined ratings of its models run 17–26 MPG. The most efficient is the 2026 Cadillac CT4 at 26 MPG, about $3,110 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The cheapest to fuel is the 2026 Cadillac Optiq at about $880 a year. 7 of its models offer a hybrid, plug-in hybrid or electric version.
Models
33
2000–2027
Most efficient, MY2026
26MPG
Cadillac CT4
Cheapest to fuel, MY2026
$880/yr
Cadillac Optiq
Electrified models
7
hybrid, plug-in or electric
Most efficient Cadillac models, MY2026
| 1 |  2026 Cadillac CT4 Small cars | 26 | $3,110 |
| 2 |  2026 Cadillac CT5 Midsize cars | 26 | $3,140 |
| 3 |  2026 Cadillac XT5 Small SUVs | 24 | $3,350 |
| 4 |  2026 Cadillac Escalade Standard SUVs | 17 | $4,790 |
Most efficient electric Cadillac models, MY2026
| 1 |  2026 Cadillac Optiq Standard SUVs | 105 | $880 |
| 2 |  2026 Cadillac Lyriq Small SUVs | 92 | $1,010 |
| 3 |  2026 Cadillac Vistiq Standard SUVs | 86 | $1,080 |
| 4 |  2026 Cadillac Celestiq Wagons | 81 | $1,150 |
All Cadillac models
| Model | Model years | Powertrains | Latest MY | Combined | $/yr |
|---|---|---|---|---|---|
| Cadillac Escalade | 2000–2027 | Gas | 2027 | 13–17 | $4,810–$6,010 |
| Cadillac XT5 | 2017–2026 | Gas | 2026 | 21–24 | $3,110–$3,490 |
| Cadillac Lyriq | 2023–2027 | Electric | 2027 | 80–92 MPGe | $1,010–$1,160 |
| Cadillac CT4 | 2020–2026 | Gas | 2026 | 18–26 | $3,110–$4,390 |
| Cadillac CT5 | 2020–2026 | Gas | 2026 | 15–26 | $3,140–$5,300 |
| Cadillac XT4 | 2019–2025 | Gas | 2025 | 25–26 | $3,100–$3,230 |
| Cadillac XT6 | 2020–2025 | Gas | 2025 | 20–23 | $3,070–$3,490 |
| Cadillac CTS | 2003–2019 | Gas | 2019 | 16–25 | $2,900–$4,900 |
| Cadillac ATS | 2013–2019 | Gas | 2019 | 19–25 | $2,900–$4,300 |
| Cadillac XTS | 2013–2019 | Gas | 2019 | 18–22 | $3,000–$4,380 |
| Cadillac CT6 | 2016–2020 | Gas | 2020 | 17–21 | $3,080–$4,710 |
| Cadillac SRX | 2004–2016 | Gas | 2016 | 18–19 | $3,400–$3,560 |
| Cadillac ATS-V | 2016–2018 | Gas | 2018 | 19–20 | $4,060–$4,300 |
| Cadillac Celestiq | 2025–2026 | Electric | 2026 | 81 MPGe | $1,150 |
| Cadillac Optiq | 2026–2027 | Electric | 2027 | 83–105 MPGe | $880–$1,130 |
Show 18 more models
| Model | Model years | Powertrains | Latest MY | Combined | $/yr |
|---|---|---|---|---|---|
| Cadillac Vistiq | 2026–2027 | Electric | 2027 | 86 MPGe | $1,080 |
| Cadillac ELR | 2014–2016 | Plug-in hybrid | 2016 | 30–32 | $1,540–$1,720 |
| Cadillac Limousine | 2002–2011 | Gas | 2011 | 14 | $4,580 |
| Cadillac Funeral Coach/Hearse | 2003–2011 | Gas | 2011 | 14 | $4,710 |
| Cadillac XTS Hearse | 2013–2019 | Gas | 2019 | 17 | $3,820 |
| Cadillac XTS Limo | 2013–2019 | Gas | 2019 | 17 | $3,820 |
| Cadillac STS | 2005–2011 | Gas | 2011 | 21 | $3,110–$3,130 |
| Cadillac DeVille | 2000–2005 | Gas | 2005 | 18–19 | $3,440–$3,630 |
| Cadillac DTS | 2006–2011 | Gas | 2011 | 18 | $3,640 |
| Cadillac XLR | 2004–2009 | Gas | 2009 | 18 | $4,460 |
| Cadillac CTS-V | 2018–2018 | Gas | 2018 | 17 | $4,800 |
| Cadillac Seville | 2000–2004 | Gas | 2004 | 19 | $3,440 |
| Cadillac STS-V | 2006–2009 | Gas | 2009 | 15 | $5,360 |
| Cadillac XLR-V | 2006–2009 | Gas | 2009 | 17 | $4,730 |
| Cadillac Eldorado | 2000–2002 | Gas | 2002 | 19 | $3,440 |
| Cadillac Armored Deville | 2004–2005 | Gas | 2005 | 15 | $4,360 |
| Cadillac Catera | 2000–2001 | Gas | 2001 | 18 | $3,630 |
| Cadillac Armored DTS | 2006–2006 | Gas | 2006 | 14 | $4,670 |
Ratings and costs are for each model's latest model year; costs use the current EIA price set and 15,000 miles a year.
Cadillac by size class
- Standard SUVs: 4
- Small SUVs: 4
- Small cars: 4
- Midsize cars: 8
- Large cars: 8
- Wagons: 1
- Special purpose: 2
- Two-seaters: 2
Frequently asked questions
Which Cadillac gets the best gas mileage?
In model year 2026, the most efficient Cadillac is the 2026 Cadillac CT4 at 26 MPG combined. Next is the 2026 Cadillac CT5 at 26 MPG.
What is the cheapest Cadillac to fuel?
In model year 2026, the 2026 Cadillac Optiq is the cheapest Cadillac to fuel: about $880 a year at 15,000 miles, using residential electricity 18.3¢/kWh (U.S. average, Jul 2026).
How many Cadillac models does EPA rate?
EPA lists 33 Cadillac models for model years 2000 to 2027. 8 of them have ratings for MY2026.
Does Cadillac make hybrid or electric cars?
Yes. Hybrid: 1 models; Plug-in hybrid: 2 models; Electric: 4 models.
What MPG do Cadillac cars get?
Combined ratings across Cadillac models run 17–26 MPG for MY2026, from the 2026 Cadillac Escalade to the 2026 Cadillac CT4.