Against 247 other V6 cars rated 2024–2026, the LX trails their 21 mpg average by 1.5 mpg, about $140 a year. Averaged over the years each was sold, the most economical engine since 1996, the 3.4L 6-cyl Hybrid (2025–2026), does 20 mpg and the thirstiest, the 4.7L 6-cyl (2000), 13: $1,034 a year apart.
Every Lexus LX engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 3.4L 6-cyl Hybrid | 19 / 22 | 2025–2026 | $1,920 | |
| 3.4L 6-cyl | 17 / 22 | 2022–2026 | $2,021 | |
| 5.7L 8-cyl | 12.4 / 17.5 | 2008–2021 | $2,685 | |
| 4.5L 6-cyl | 12 / 14 | 1996–1997 | $2,954 | |
| 4.7L 8-cyl | 12 / 15.3 | 1998–2007 | $2,954 | |
| 4.7L 6-cyl | 12 / 15 | 2000–2000 | $2,954 |
What that actually costs
Against its rivals in the same model years, the Cadillac Escalade gets 17 mpg, the Hyundai Palisade 27.8 mpg and the Toyota Sequoia 22 mpg, next to 19.5 mpg for the 2026 LX.
| Measure | Value |
|---|---|
| Cost per mile (2026) | $0.164 |
| Fuel per year | $1,969 |
| Fuel over five years | $9,845 |
| Against other V6 cars, 2024–2026 | +$140 a year |
| EPA's own estimate | $4,906 a year |
City or highway — who is this car for
The 2026 Lexus LX gives up 4 mpg in town: 22 on the highway against 18 in the city, $388 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 18 mpg | $2,133 a year if you only drive in town |
| Highway | 22 mpg | $1,745 a year if you mostly commute |
| Gap | +4 mpg (22%) | Typical for its type |
How the LX changed over the years
The LX peaked in 2026 at 19.5 mpg (18 city, 22 highway) and was at its thirstiest in 2007 at 13 — 6.5 mpg apart, or $985 a year in fuel between buying one year and the other. The biggest single-year change came in 2022: 14 to 19 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 18 / 22 | 2 | $1,969 | |
| 2025 | 18 / 22 | 2 | $1,969 | |
| 2024 | 17 / 22 | 1 | $2,021 | |
| 2023 | 17 / 22 | 1 | $2,021 | |
| 2022 | 17 / 22 | 1 | $2,021 | |
| 2021 | 12 / 16 | 1 | $2,743 | |
| 2020 | 12 / 16 | 1 | $2,743 | |
| 2019 | 13 / 18 | 1 | $2,560 | |
| 2018 | 13 / 18 | 1 | $2,560 | |
| 2017 | 13 / 18 | 1 | $2,560 | |
| 2016 | 13 / 18 | 1 | $2,560 | |
| 2015 | 12 / 17 | 1 | $2,743 | |
| 2014 | 12 / 17 | 1 | $2,743 | |
| 2013 | 12 / 17 | 1 | $2,743 | |
| 2011 | 13 / 18 | 1 | $2,743 | |
| 2010 | 12 / 18 | 1 | $2,743 | |
| 2009 | 12 / 18 | 1 | $2,743 | |
| 2008 | 12 / 18 | 1 | $2,743 | |
| 2007 | 12 / 15 | 1 | $2,954 | |
| 2006 | 12 / 15 | 1 | $2,954 | |
| 2005 | 12 / 16 | 1 | $2,954 | |
| 2004 | 12 / 16 | 1 | $2,954 | |
| 2003 | 12 / 16 | 1 | $2,954 | |
| 2002 | 12 / 15 | 1 | $2,954 | |
| 2001 | 12 / 15 | 1 | $2,954 | |
| 2000 | 12 / 15 | 1 | $2,954 | |
| 1999 | 12 / 15 | 1 | $2,954 | |
| 1998 | 12 / 15 | 1 | $2,954 | |
| 1997 | 12 / 14 | 1 | $2,954 | |
| 1996 | 12 / 14 | 1 | $2,954 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 32 EPA ratings of the Lexus LX — 6 engines across 1996–2026. 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 $4,906. Full method.
Frequently asked questions
What mpg does the 2026 Lexus LX get?
19.5 mpg combined, 18 city and 22 highway, per EPA. Across every year since 1996 the LX has averaged 14.9 mpg.
Is the 2026 LX more efficient than the 2025?
About the same: 19.5 against 19.5 mpg combined.
Which LX year has the best gas mileage?
The 2026, at 19.5 mpg combined (18 city, 22 highway), which is also the latest model year we hold.
Does the LX get better gas mileage than the Cadillac Escalade?
Yes: 19.5 mpg for the 2026 LX against 17 for the 2026 Cadillac Escalade, about $290 a year less to run.
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