The Lexus TX does 25.3 mpg combined (24.3 city, 27.5 highway), which works out to about $1,518 a year in fuel at $3.20 a gallon and 12,000 miles. Engine choice matters more than you'd think: 3.5L 6-cyl Hybrid does 29 mpg while 2.4L 4-cyl does 23 — a difference of $346 a year. Against other 4-cyl cars it sits below the average of 25.7 mpg.
Every Lexus TX engine, compared
Gas mileage on the Lexus TX ranges from 29 down to 23 depending on which engine sits under the bonnet — a spread of $346 a year across 3 versions of the same car. Picking the right one often saves more fuel than picking a different car altogether. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 3.5L 6-cyl Hybrid | 29 / 28 | 2025–2025 | $1,324 | |
| 2.4L 4-cyl Hybrid | 27 / 28 | 2024–2026 | $1,422 | |
| 2.4L 4-cyl | 21 / 27 | 2024–2026 | $1,670 |
What that actually costs
The Lexus TX burns a gallon every 25.3 miles, so 12,000 miles takes about 474 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.126 |
| Fuel per year | $1,518 |
| Fuel over five years | $7,590 |
| Against other 4-cyl cars | +$24 a year |
| EPA's own estimate | $3,067 a year |
City or highway — who is this car for
The Lexus TX gives up 3.2 mpg the moment you leave the motorway — 27.5 out there against 24.3 in town, a 13% drop worth $184 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 | 24.3 mpg | $1,580 a year if you only drive in town |
| Highway | 27.5 mpg | $1,396 a year if you mostly commute |
| Gap | +3.2 mpg (13%) | Narrow — equally happy either way |
How the TX changed over the years
The TX peaked in 2025 at 26 mpg (25 city, 27.5 highway) and was at its thirstiest in 2026 at 25 — 1 mpg apart, or $59 a year in fuel between buying one year and the other. The 2026 car does 25.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 24 / 27.5 | 2 | $1,536 | |
| 2025 | 25 / 27.5 | 2 | $1,477 | |
| 2024 | 24 / 27.5 | 2 | $1,536 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 6 EPA ratings of the Lexus TX — 3 engines across 2024–2026. 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 $3,067. Full method.
Frequently asked questions
What mpg does the Lexus TX get?
25.3 mpg combined on average — 24.3 in the city and 27.5 on the highway, per EPA ratings across 2024–2026.
How much does a Lexus TX cost in fuel per year?
About $1,518 at 12,000 miles and $3.20 a gallon — roughly $7,590 over five years, or 0.126 dollars a mile.
Which TX engine is the most economical?
The 3.5L 6-cyl Hybrid at 29 mpg, against 23 for the 2.4L 4-cyl — a difference of about $346 a year.
Is the TX good on fuel compared with similar cars?
Against other 4-cyl cars it sits below the average of 25.7 mpg, computed across 4765 ratings.
Are these real-world TX figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Lexus TX is $3,067 against the $1,518 we compute at 12,000 miles. Expect a little worse in practice: the spread between the 29 and 23 mpg versions of this car is smaller than the spread between two drivers of the same one.
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