Cadillac models ranked by fuel economy, 2026

For model year 2026 the data rates 8 Cadillac models. The most efficient is Cadillac OPTIQ at 105 combined and the least efficient is Cadillac Escalade at 17; the middle of the list sits at 53.5.

That is a spread of 88 from first to last; the leader's rating is 6.2 times the last model's.

The largest step between neighbouring ranks comes after Cadillac CELESTIQ, 4th: the next model, Cadillac CT4, is 55 lower.

On annual fuel cost under the file's assumptions, Cadillac OPTIQ is lowest at $700 and Cadillac Escalade highest at $4,850; the median is $2,050.

By vehicle class: Standard SUVs (3), Small SUVs (2), Compact cars (1), Midsize cars (1), 1 more with 1 models in all.

By powertrain: Electric (4), Gasoline (4).

MPGe is used for electric models: it is the electric equivalent of MPG, so the figures are comparable as energy efficiency.

Best combined rating of the most efficient Cadillac models for model year 2026.

All 8 models ranked

Annual fuel cost in the file is based on 15,000 miles a year, 55% city and 45% highway driving, and the fuel prices that fueleconomy.gov published at the time of the release (the same prices for every model year).

Cadillac models ranked by combined rating, model year 2026
Rank	Model	Vehicle class	Powertrain	Combined MPG	Annual fuel cost	CO2 g/mile	Versions
1	Cadillac OPTIQ	Standard SUVs	Electric	105	$700	0	6
2	Cadillac LYRIQ	Small SUVs	Electric	92	$850	0	6
3	Cadillac VISTIQ	Standard SUVs	Electric	86	$900	0	2
4	Cadillac CELESTIQ	Station wagons	Electric	81	$950	0	1
5	Cadillac CT4	Compact cars	Gasoline	26	$3,150	345	8
6	Cadillac CT5	Midsize cars	Gasoline	26	$3,150	346	8
7	Cadillac XT5	Small SUVs	Gasoline	24	$3,400	370	4
8	Cadillac Escalade	Standard SUVs	Gasoline	17	$4,850	537	3

Each model is shown with its most efficient rated version. How the figures are prepared: methods and data.