The Saab 9-7X does 15.9 mpg combined (13.8 city, 19.3 highway), which works out to about $2,415 a year in fuel at $3.20 a gallon and 12,000 miles. Engine choice matters more than you'd think: 4.2L 6-cyl does 16 mpg while 5.3L 8-cyl does 15.8 — a difference of $30 a year. Against other V6 cars it sits below the average of 19.8 mpg.
Every Saab 9-7X engine, compared
Picking the right version of the same car 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 |
|---|---|---|---|---|
| 4.2L 6-cyl | 14 / 19.8 | 2005–2009 | $2,400 | |
| 5.3L 8-cyl | 13.6 / 18.8 | 2005–2009 | $2,430 |
What that actually costs
Miles per gallon is an abstraction; the fuel bill is not. Here it is in money, at 12,000 miles a year and $3.20 a gallon.
| Measure | Value |
|---|---|
| Cost per mile | $0.201 |
| Fuel per year | $2,415 |
| Fuel over five years | $12,075 |
| Against other V6 cars | +$476 a year |
| EPA's own estimate | $3,925 a year |
City or highway — who is this car for
The gap between city and highway figures tells you whom the car suits. 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 | 13.8 mpg | $2,783 a year if you only drive in town |
| Highway | 19.3 mpg | $1,990 a year if you mostly commute |
| Gap | +5.5 mpg (40%) | Wide — this car dislikes traffic |
How the 9-7X changed over the years
Combined figure by model year. 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 |
|---|---|---|---|---|
| 2009 | 14 / 20 | 2 | $2,400 | |
| 2008 | 13.5 / 19.5 | 2 | $2,400 | |
| 2007 | 13.5 / 19.5 | 2 | $2,400 | |
| 2006 | 14 / 19.5 | 2 | $2,400 | |
| 2005 | 14 / 18 | 2 | $2,477 |
MPG is a number. Dollars per year is the answer.
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How we count
Fuel-economy figures come from EPA fueleconomy.gov — the same laboratory numbers printed on the window sticker. We don't adjust them; real-world consumption depends on how and where you drive.
What we add is money. Yearly cost assumes 12,000 miles at $3.20 a gallon — change either and the ranking stays, only the size of the bill moves. Cost per mile is the same figure divided out, useful when comparing a commute against a weekend car.
Frequently asked questions
What mpg does the Saab 9-7X get?
15.9 mpg combined on average — 13.8 in the city and 19.3 on the highway, per EPA ratings across 2005–2009.
How much does a Saab 9-7X cost in fuel per year?
About $2,415 at 12,000 miles and $3.20 a gallon — roughly $12,075 over five years, or 0.201 dollars a mile.
Which 9-7X engine is the most economical?
The 4.2L 6-cyl at 16 mpg, against 15.8 for the 5.3L 8-cyl — a difference of about $30 a year.
Is the 9-7X good on fuel compared with similar cars?
Against other V6 cars it sits below the average of 19.8 mpg, computed across 6170 ratings.
Are these real-world figures?
No — they are EPA laboratory ratings, the same ones on the window sticker. Real consumption depends on driving style, terrain, load and weather, and is typically a little worse.