Against 446 other V6 cars rated 2003–2005, the Park Avenue beats their 18.9 mpg average by 2.1 mpg, about $203 a year.
Every Buick Park Avenue engine, compared
The Buick Park Avenue 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 |
|---|---|---|---|---|
| 3.8L 6-cyl | 17 / 26 | 1991–2005 | $1,901 |
What that actually costs
Against its rivals in the same model years, the Hyundai Sonata gets 22 mpg, the Chevrolet Impala 21.3 mpg and the Cadillac Deville 19 mpg, next to 21 mpg for the 2005 Park Avenue.
| Measure | Value |
|---|---|
| Cost per mile (2005) | $0.152 |
| Fuel per year | $1,829 |
| Fuel over five years | $9,145 |
| Against other V6 cars, 2003–2005 | −$203 a year |
| EPA's own estimate | $3,077 a year |
City or highway — who is this car for
The 2005 Buick Park Avenue gives up 9 mpg in town: 27 on the highway against 18 in the city, $711 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2005) | 18 mpg | $2,133 a year if you only drive in town |
| Highway | 27 mpg | $1,422 a year if you mostly commute |
| Gap | +9 mpg (50%) | Wide — this car dislikes traffic |
How the Park Avenue changed over the years
The Park Avenue peaked in 2005 at 21 mpg (18 city, 27 highway) and was at its thirstiest in 1992 at 19 — 2 mpg apart, or $192 a year in fuel between buying one year and the other.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2005 | 18 / 27 | 1 | $1,829 | |
| 2004 | 18 / 27 | 1 | $1,829 | |
| 2003 | 17 / 27 | 1 | $1,829 | |
| 2002 | 17 / 27 | 1 | $1,829 | |
| 2001 | 17 / 27 | 1 | $1,920 | |
| 2000 | 17 / 27 | 1 | $1,920 | |
| 1999 | 17 / 25 | 1 | $1,920 | |
| 1998 | 17 / 26 | 1 | $1,920 | |
| 1997 | 17 / 26 | 1 | $1,920 | |
| 1996 | 17 / 27 | 1 | $1,829 | |
| 1995 | 17 / 26 | 1 | $1,920 | |
| 1994 | 17 / 25 | 1 | $1,920 | |
| 1993 | 17 / 25 | 1 | $1,920 | |
| 1992 | 16 / 24 | 1 | $2,021 | |
| 1991 | 16 / 24 | 1 | $2,021 |
MPG is a number. Dollars per year is the answer.
- Fuel profile built from your actual mileage and local prices
- Fuel tracker: what you really spend, month by month
- Insurance and fuel folded into 5-year cost to own
- Compare any two cars on total cost, not sticker price
- No ads, no tracking — and much more
How we count
This page rests on 15 EPA ratings of the Buick Park Avenue — 1 engine across 1991–2005. 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 $3,077. Full method.
Frequently asked questions
What mpg does the 2005 Buick Park Avenue get?
21 mpg combined, 18 city and 27 highway, per EPA. Across every year since 1991 the Park Avenue has averaged 20.2 mpg.
Is the 2005 Park Avenue more efficient than the 2004?
About the same: 21 against 21 mpg combined.
Which Park Avenue year has the best gas mileage?
The 2005, at 21 mpg combined (18 city, 27 highway), which is also the latest model year we hold.
Does the Park Avenue get better gas mileage than the Hyundai Sonata?
No: 21 mpg for the 2005 Park Avenue against 22 for the 2006 Hyundai Sonata, about $84 a year more to run.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.