MPGe is the distance a car covers on 33.7 kWh, the energy in a gallon of gasoline. Across 4 EPA ratings of the Lyriq since 2023 it has averaged 90.5 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 $838.
Every Cadillac Lyriq version, compared
The Cadillac Lyriq 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 | 98.3 / 82.3 | 2023–2026 | $759 |
What that actually costs
Against its rivals in the same model years, the Tesla Model Y is rated 131.5 MPGe, the Porsche Macan 102 MPGe and the Genesis GV70 93.5 MPGe, next to 92 MPGe for the 2026 Lyriq. The Lyriq costs the most of them to run: $225 a year more than the Tesla Model Y.
| Measure | Value |
|---|---|
| Energy use (2026) | 36.6 kWh per 100 miles |
| Cost per mile | $0.062 |
| Charging per year | $747 |
| Charging over five years | $3,735 |
| Against other Electric cars, 2024–2026 | +$57 a year |
| EPA's own estimate | $838 a year |
City or highway — who is this car for
The 2026 Cadillac Lyriq does better in town than out of it: 100 in the city against 83 on the highway, $141 a year in favor of city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 100 MPGe | $687 a year if you only drive in town |
| Highway | 83 MPGe | $828 a year if you mostly commute |
| Gap | -17 MPGe (-17%) | Reversed — it does better in town than on the open road |
How the Lyriq changed over the years
The Lyriq peaked in 2026 at 92 MPGe (100 city, 83 highway) and was at its thirstiest in 2024 at 89 — 3 MPGe apart, or $26 a year in charging between buying one year and the other. The biggest single-year change came in 2025: 89 to 92 MPGe.
| Model year | Combined MPGe | City / Highway | Versions offered | Charging per year |
|---|---|---|---|---|
| 2026 | 100 / 83 | 1 | $747 | |
| 2025 | 100 / 83 | 1 | $747 | |
| 2024 | 96 / 81 | 1 | $773 | |
| 2023 | 97 / 82 | 1 | $773 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 4 EPA ratings of the Cadillac Lyriq — 1 engine across 2023–2026. 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 $838. Full method.
Frequently asked questions
What is the 2026 Cadillac Lyriq rated at?
92 MPGe combined, 100 city and 83 highway, per EPA. Across every year since 2023 the Lyriq has averaged 90.5 MPGe.
Is the 2026 Lyriq more efficient than the 2025?
About the same: 92 against 92 MPGe combined.
Which Lyriq year has the best efficiency?
The 2026, at 92 MPGe combined (100 city, 83 highway), which is also the latest model year we hold.
Does the Lyriq get better efficiency than the Tesla Model Y?
No: 92 MPGe for the 2026 Lyriq against 131.5 for the 2026 Tesla Model Y, about $225 a year more to run.
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