The Cadillac XT4 does 26 mpg combined (23.9 city, 29.7 highway), which works out to about $1,477 a year in fuel at $3.20 a gallon and 12,000 miles. Against other 4-cyl cars it sits above the average of 25.7 mpg.
Every Cadillac XT4 engine, compared
The Cadillac XT4 was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2L 4-cyl | 23.9 / 29.7 | 2019–2025 | $1,477 |
What that actually costs
The Cadillac XT4 burns a gallon every 26 miles, so 12,000 miles takes about 462 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.123 |
| Fuel per year | $1,477 |
| Fuel over five years | $7,385 |
| Against other 4-cyl cars | −$17 a year |
| EPA's own estimate | $2,950 a year |
City or highway — who is this car for
The Cadillac XT4 gives up 5.8 mpg the moment you leave the motorway — 29.7 out there against 23.9 in town, a 24% drop worth $314 a year. A wide gap punishes stop-and-start traffic; a narrow one means the car doesn't care where you drive it.
| Measure | Value | Reading |
|---|---|---|
| City | 23.9 mpg | $1,607 a year if you only drive in town |
| Highway | 29.7 mpg | $1,293 a year if you mostly commute |
| Gap | +5.8 mpg (24%) | Typical for its type |
How the XT4 changed over the years
Combined figure across the 7 model years the XT4 was rated in, all of them at 26 mpg. Jumps usually mark a new generation or a new engine; dips often mean a heavier body or added all-wheel drive.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2025 | 24 / 29 | 1 | $1,477 | |
| 2024 | 24 / 29 | 1 | $1,477 | |
| 2023 | 23 / 30 | 1 | $1,477 | |
| 2022 | 24 / 30 | 1 | $1,477 | |
| 2021 | 24 / 30 | 1 | $1,477 | |
| 2020 | 24 / 30 | 1 | $1,477 | |
| 2019 | 24 / 30 | 1 | $1,477 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 7 EPA ratings of the Cadillac XT4 — 1 engine across 2019–2025. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $2,950. Full method.
Frequently asked questions
What mpg does the Cadillac XT4 get?
26 mpg combined on average — 23.9 in the city and 29.7 on the highway, per EPA ratings across 2019–2025.
How much does a Cadillac XT4 cost in fuel per year?
About $1,477 at 12,000 miles and $3.20 a gallon — roughly $7,385 over five years, or 0.123 dollars a mile.
Which XT4 engine is the most economical?
The 2L 4-cyl at 26 mpg.
Is the XT4 good on fuel compared with similar cars?
Against other 4-cyl cars it sits above the average of 25.7 mpg, computed across 4765 ratings.
Are these real-world XT4 figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Cadillac XT4 is $2,950 against the $1,477 we compute at 12,000 miles. Expect a little worse in practice: the spread between the city and highway figures is smaller than the spread between two drivers of the same one.
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