MPGe is the distance a car covers on 33.7 kWh, the energy in a gallon of gasoline. Across 2 EPA ratings of the Celestiq since 2025 it has averaged 81 MPGe, and the 2026 model trails the 99.7 MPGe average of other electric cars rated 2024–2026. The EPA's own annual figure for it is $950.
Every Cadillac Celestiq version, compared
The Cadillac Celestiq was rated in a single specification, so its consumption does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $0.17 a kilowatt-hour.
| Version | Combined MPGe | City / Highway | Years | Charging per year |
|---|---|---|---|---|
| Electric | 84 / 77 | 2025–2026 | $849 |
What that actually costs
| Measure | Value |
|---|---|
| Energy use (2026) | 41.6 kWh per 100 miles |
| Cost per mile | $0.071 |
| Charging per year | $849 |
| Charging over five years | $4,245 |
| Against other Electric cars, 2024–2026 | +$159 a year |
| EPA's own estimate | $950 a year |
City or highway — who is this car for
The 2026 Cadillac Celestiq does better in town than out of it: 84 in the city against 77 on the highway, $76 a year in favor of city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 84 MPGe | $818 a year if you only drive in town |
| Highway | 77 MPGe | $894 a year if you mostly commute |
| Gap | -7 MPGe (-8%) | Reversed — it does better in town than on the open road |
How the Celestiq changed over the years
Combined figure across the 2 model years the Celestiq was rated in, all of them at 81 MPGe.
| Model year | Combined MPGe | City / Highway | Versions offered | Charging per year |
|---|---|---|---|---|
| 2026 | 84 / 77 | 1 | $849 | |
| 2025 | 84 / 77 | 1 | $849 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 2 EPA ratings of the Cadillac Celestiq — 1 engine across 2025–2026. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $0.17 a kilowatt-hour, against EPA's own estimate of $950. Full method.
Frequently asked questions
What is the 2026 Cadillac Celestiq rated at?
81 MPGe combined, 84 city and 77 highway, per EPA. Across every year since 2025 the Celestiq has averaged 81 MPGe.
Is the 2026 Celestiq more efficient than the 2025?
About the same: 81 against 81 MPGe combined.
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