2012 Jeep Grand Cherokee Long Term Road Test


2012 Jeep Grand Cherokee SRT8: Colorado Road Trip Fuel Economy

January 8, 2013

2012 Jeep Grand Cherokee SRT8

I went into my road trip in the 2012 Jeep Grand Cherokee expecting cruising range to be a limitation. Obviously, if I looked more closely at the Jeep's fuel log beforehand, I would have known better. It has plenty of range — not because it gets great gas mileage, but because it has a 24.6-gallon fuel tank.

Range was not an issue at all during the nearly 2,400-mile trip. Our longest tank was 372 miles, and then, I picked up an easy 380-mile tank after returning home to California. We didn't push the range limit at all, usually filling up before the low fuel light illuminated.

Over 2,335 miles, our 2012 Grand Cherokee SRT8 averaged 16.3 mpg while consuming 143.525 gallons of 91 octane fuel. Its best tanks were 364 and 372 miles long, as it averaged 17.3 mpg in both cases. Its worst reading was 13.3 mpg over a short 127.3 mile run between Denver and Frisco, Colorado.

I've included a snapshot of the fuel log after the jump. Note that I recorded the average mpg displayed on the Jeep's trip computer for each tank (I reset it at each fuel stop). I've also included a snippet from our Excel file for the Grand Cherokee SRT8's mpg where you can see what the actual average mpg was for each tank.

I checked the oil halfway through the trip and again at the end. Both times the oil level registered exactly where it should be on the dipstick so I didn't need to add any. Also, the placement of the dipstick is just excellent, especially for a longitudinally mounted engine. It's right near the front of the compartment, and thanks to a nice long tube, the dipstick protrudes like a weed so it's easy to grab.

2012 Jeep Grand Cherokee SRT8

2012 Jeep Grand Cherokee SRT8

2012 Jeep Grand Cherokee SRT8

Erin Riches, Senior Editor @ 18,094 miles

Read the previous installments from the Grand Cherokee SRT8's Colorado road trip: 2012 Jeep Grand Cherokee SRT8: We Finally Drove It In Snow
2012 Jeep Grand Cherokee SRT8: Climbing Vail Pass
2012 Jeep Grand Cherokee SRT8 Long-Term Test: The Ride to Colorado

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Edmunds Insurance Estimator

The Edmunds TCO® estimated monthly insurance payment for a 2012 Jeep Grand Cherokee in VA is:

$144 per month*
* Explanation
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