2006 Mercury Grand Marquis

Full-Size Sedan Regular
Mercury Grand Marquis 2006
18MPG Combined
2 Trims
Updated February 27, 2026

The 2006 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.

2006 Mercury Grand Marquis Specifications

SpecValue
Combined MPG18 combined MPG
City MPG15
Highway MPG23
Body StyleFull-Size Sedan
Fuel TypeRegular
DriveRWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto15/23/184.6L 8cylAutomatic 4-spd
Auto15/23/184.6L 8cylAutomatic 4-spd

Annual Fuel Cost

Based on EPA estimates, the 2006 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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