Against 429 other V6 cars rated 2014–2016, the SRX trails their 21.8 mpg average by 2.8 mpg, about $260 a year. Averaged over the years each was sold, the most economical engine since 2004, the 3L 6-cyl (2010–2011), does 20.5 mpg and the thirstiest, the 4.6L 8-cyl (2004–2009), 16: $527 a year apart.
Every Cadillac SRX engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 3L 6-cyl | 18 / 24.5 | 2010–2011 | $1,873 | |
| 3.6L 6-cyl | 15.9 / 22.8 | 2004–2016 | $2,133 | |
| 4.6L 8-cyl | 13.3 / 19.7 | 2004–2009 | $2,400 |
What that actually costs
Against its rivals in the same model years, the Subaru Outback gets 25 mpg, the Subaru Forester 27.3 mpg and the Nissan Xterra 18 mpg, next to 19 mpg for the 2016 SRX.
| Measure | Value |
|---|---|
| Cost per mile (2016) | $0.168 |
| Fuel per year | $2,021 |
| Fuel over five years | $10,105 |
| Against other V6 cars, 2014–2016 | +$260 a year |
| EPA's own estimate | $3,892 a year |
City or highway — who is this car for
The 2016 Cadillac SRX gives up 7 mpg in town: 24 on the highway against 17 in the city, $659 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2016) | 17 mpg | $2,259 a year if you only drive in town |
| Highway | 24 mpg | $1,600 a year if you mostly commute |
| Gap | +7 mpg (41%) | Wide — this car dislikes traffic |
How the SRX changed over the years
The SRX peaked in 2010 at 21 mpg (18 city, 25 highway) and was at its thirstiest in 2008 at 16.5 — 4.5 mpg apart, or $498 a year in fuel between buying one year and the other. The 2016 car does 19. The biggest single-year change came in 2010: 17 to 21 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2016 | 17 / 24 | 1 | $2,021 | |
| 2015 | 17 / 24 | 1 | $2,021 | |
| 2014 | 17 / 24 | 1 | $2,021 | |
| 2013 | 17 / 24 | 1 | $2,021 | |
| 2012 | 17 / 24 | 1 | $2,021 | |
| 2011 | 18 / 24 | 1 | $1,920 | |
| 2010 | 18 / 25 | 1 | $1,829 | |
| 2009 | 14 / 21.5 | 2 | $2,259 | |
| 2008 | 14 / 21 | 2 | $2,327 | |
| 2007 | 14 / 21 | 2 | $2,327 | |
| 2006 | 14 / 20.5 | 2 | $2,327 | |
| 2005 | 14.5 / 20.5 | 2 | $2,327 | |
| 2004 | 14.5 / 20 | 2 | $2,327 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 19 EPA ratings of the Cadillac SRX — 3 engines across 2004–2016. 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 $3,892. Full method.
Frequently asked questions
What mpg does the 2016 Cadillac SRX get?
19 mpg combined, 17 city and 24 highway, per EPA. Across every year since 2004 the SRX has averaged 17.6 mpg.
Is the 2016 SRX more efficient than the 2015?
About the same: 19 against 19 mpg combined.
Which SRX year has the best gas mileage?
The 2010, at 21 mpg combined (18 city, 25 highway).
Does the SRX get better gas mileage than the Subaru Outback?
No: 19 mpg for the 2016 SRX against 25 for the 2017 Subaru Outback, about $485 a year more to run.
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