Against 446 other V6 cars rated 2003–2005, the XG350 sits right on their 18.9 mpg average.
Every Hyundai XG350 engine, compared
The Hyundai XG350 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 |
|---|---|---|---|---|
| 3.5L 6-cyl | 15.5 / 24 | 2002–2005 | $2,076 |
What that actually costs
Against its rivals in the same model years, the Buick Century gets 21 mpg, the Cadillac STS 18.3 mpg and the Acura RL 18.7 mpg, next to 19 mpg for the 2005 XG350.
| Measure | Value |
|---|---|
| Cost per mile (2005) | $0.168 |
| Fuel per year | $2,021 |
| Fuel over five years | $10,105 |
| Against other V6 cars, 2003–2005 | −$11 a year |
| EPA's own estimate | $3,375 a year |
City or highway — who is this car for
The 2005 Hyundai XG350 gives up 8 mpg in town: 24 on the highway against 16 in the city, $800 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2005) | 16 mpg | $2,400 a year if you only drive in town |
| Highway | 24 mpg | $1,600 a year if you mostly commute |
| Gap | +8 mpg (50%) | Wide — this car dislikes traffic |
How the XG350 changed over the years
The XG350 peaked in 2005 at 19 mpg (16 city, 24 highway) and was at its thirstiest in 2004 at 18 — 1 mpg apart, or $112 a year in fuel between buying one year and the other.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2005 | 16 / 24 | 1 | $2,021 | |
| 2004 | 15 / 24 | 1 | $2,133 | |
| 2003 | 15 / 24 | 1 | $2,133 | |
| 2002 | 16 / 24 | 1 | $2,021 |
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 Hyundai XG350 — 1 engine across 2002–2005. 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 $3,375. Full method.
Frequently asked questions
What mpg does the 2005 Hyundai XG350 get?
19 mpg combined, 16 city and 24 highway, per EPA. Across every year since 2002 the XG350 has averaged 18.5 mpg.
Is the 2005 XG350 more efficient than the 2004?
Yes: 19 against 18 mpg combined, about $112 a year less to run.
Which XG350 year has the best gas mileage?
The 2005, at 19 mpg combined (16 city, 24 highway), which is also the latest model year we hold.
Does the XG350 get better gas mileage than the Buick Century?
No: 19 mpg for the 2005 XG350 against 21 for the 2005 Buick Century, about $192 a year more to run.
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