MPG by Model

MakesCadillacCT6

Cadillac CT6 MPG

Its best-rated version reaches 28 MPG combined in 2019. Its weakest year peaked at 21 MPG (2020).

Cadillac CT6: best and lowest EPA combined MPG of its versions, model years 2016–202015202530MPG2016202028 MPG peaklowest peak 21Cadillac CT6: best and lowest EPA combined MPG by model year15202530MPG201620182020
lowest to best versionbest versionbest version is a hybridmedian of its class
714.3 gal

a year at 15,000 miles for the best 2020 version, the CT6 AWD. Put it next to its 2016 predecessor, at your own mileage.

Compare in gallons

The Cadillac CT6 has EPA ratings for five model years, 2016–2020, most often among large cars. Its first plug-in hybrid version arrived in 2017, when 14 of 186 cars offered one.

It shared or held the spot of the most fuel-efficient Cadillac nameplate in 2017–2019; in 2019 the Cadillac XT4 came next. Of the 991 car nameplates on this site, few have had a plug-in hybrid version (49 of them); this one has.

Among 27 large cars, 2020

The CT6 placed 18th (tied). The class leader was the Hyundai Ioniq at 58 MPG. The next higher rating, 22 MPG, belongs to the Chevrolet Impala.

Best EPA combined MPG of each of the 27 large cars rated for 202020304050CT6 21median 23IoniqBest EPA combined MPG of each of the 27 large cars rated for 202020304050CT6 21median 23

Powertrains under the name

  • Gasoline

    Rated in 2016–2020.

  • Plug-in hybrid

    Rated in 2017–2018.

All 5 model years, best and lowest version
Model yearsBest versionCombinedCity / hwyLowest versionVersions
2020CT6 AWD2118 / 27172
2019CT62824 / 34174
2018CT62523 / 30214
2017CT6 Plug-In plug-in hybrid2623 / 30214
2016CT62522 / 30213

Version names in the EPA list: CT6, CT6 AWD, CT6 Plug-In.

Same class, 2020

Hyundai Ioniq58 MPGChevrolet Impala22 MPGGenesis G8021 MPGRolls-Royce Phantom14 MPG

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