2008 Mercury Grand Marquis

Full-Size Sedan Flex Fuel
Mercury Grand Marquis 2008
18MPG Combined
1 Trim
← 2007 2008 2009 →
Updated February 27, 2026

The 2008 Mercury Grand Marquis Full-Size Sedan provides 18 combined MPG. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2008 Mercury Grand Marquis Specifications

SpecValue
Combined MPG18 combined MPG
City MPG15
Highway MPG23
Body StyleFull-Size Sedan
Fuel TypeFlex Fuel
DriveRWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2008 Mercury Grand Marquis costs approximately $2,450 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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