2012 Mercedes-Benz SLS AMG Roadster Long-Term Road Test


2012 Mercedes-Benz SLS AMG Roadster: MPG Update for May

June 4, 2013

2012 Mercedes-Benz SLS AMG Roadster

This month, unfortunately, our 2012 Mercedes-Benz SLS AMG Roadster has been out of action for a couple of weeks. The convertible top has malfunctioned once again and the car spent the better part of the last half of the month at the dealership. It's back for now, but still broken. More on that in a forthcoming post.

Still, May is the month when we broke the AMG's previous record for best-fill MPG. It was after a stint of only 126 miles, but after filling up following that stretch the Roadster returned an impressive 24.7 miles per gallon. It goes to show how well even a monster like this can behave if its driver shows a bit of restraint. Make that a lot of restraint.

Worst Fill MPG: 9.6
Best Fill MPG: 24.7
Average Lifetime MPG: 14.8
EPA MPG Rating (City/Highway/Combined): 14/20/16
Best Range: 378.6 miles
Current Odometer: 24,747

Karl Funke, Associate Vehicle Coordinator @ 24,747 miles

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