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Mercury Grand Marquis Reliability

You won't find Mercury Grand Marquis reliability information like this anywhere else. Actual repair frequencies, not just vague dots. So you can tell how much the Mercury Grand Marquis truly differs from competing car models in reliability.

These stats are promptly updated four times a year, to much more closely track Mercury Grand Marquis reliability as the cars age. Others tell you how reliable the Mercury Grand Marquis was a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the Mercury Grand Marquis has been recently.

Mercury Grand Marquis Reliability:
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See reliability results for all Sedans.

See only powertrain and chassis results

Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2004 Mercury Grand Marquis   17 Grand Marquiss, 8.1 months of data per Grand Marquis, average 103300 miles

* Small sample size.
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or 17 Grand Marquiss, 8.1 months of data per Grand Marquis, average 103300 miles

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2003 Mercury Grand Marquis   23 Grand Marquiss, 8.9 months of data per Grand Marquis, average 100400 miles

* Small sample size.
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or 23 Grand Marquiss, 8.9 months of data per Grand Marquis, average 100400 miles

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2001 Mercury Grand Marquis   10 Grand Marquiss, 7.6 months of data per Grand Marquis, average 114800 miles

* Very small sample size.
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or 10 Grand Marquiss, 7.6 months of data per Grand Marquis, average 114800 miles

* Very small sample size.
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2000 Mercury Grand Marquis   11 Grand Marquiss, 10.6 months of data per Grand Marquis, average 167300 miles

* Very small sample size.
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or 11 Grand Marquiss, 10.6 months of data per Grand Marquis, average 167300 miles

* Very small sample size.
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1999 Mercury Grand Marquis   11 Grand Marquiss, 8.9 months of data per Grand Marquis, average 107900 miles

* Very small sample size.
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or 11 Grand Marquiss, 8.9 months of data per Grand Marquis, average 107900 miles

* Very small sample size.
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What People Are Saying about Reliability and the Mercury Grand Marquis

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What Our Members Are Saying about the Reliability and Durability of the Mercury Grand Marquis

Mercury Grand Marquis Reliability and Durability: Pros
YearBody/PowertrainComment
2008 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
Checked and they have a very good reliabity and durability. That makes a lot of comfort
2005 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
I put over 90000 miles on mine, with zero issues.
2004 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
Ford's 4.6 liter V8 and 4r70W transmission are bulletproof and reliable. The body-on-frame design is built to withstand taxi and police use. Plus, the whole car is designed and marketed to previous generations that value durability, quality and reliability -- rather than younger generations that value Bluetooth and touchscreens.
2003 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
A daughter had 9 year older Grand Marquis with no problems. Aged Panther platform has all the bugs worked out.