🔘Tire Size
Mercury Grand Marquis Tire Size
Find the correct tire size for your Mercury Grand Marquis. Covers all model years and trim levels with pressure specs and recommended brands.
Quick Answer
The Mercury Grand Marquis tire size varies by trim level and model year. Common sizes include 205/55R16, 215/55R17, and 225/45R18 — see the full year-by-year breakdown below.
2006-2011
2006-2011Common Tire Sizes205/55R16 or 215/60R16
Tire Pressure (Front/Rear)32 - 36 PSI (check door jamb sticker)
Bolt Pattern5x100 or 5x114.3 (varies by model)
Speed RatingH (130 mph)
Notes
- →Always match all four tires for size, speed rating, and load index
- →Tire pressure specs are on the driver door jamb sticker, NOT the tire sidewall
- →Winter tires should be the same size or one size narrower than stock
- →TPMS sensors must be reprogrammed when swapping wheel sets
2000-2005
2000-2005Common Tire Sizes205/55R16 or 215/60R16
Tire Pressure (Front/Rear)32 - 36 PSI (check door jamb sticker)
Bolt Pattern5x100 or 5x114.3 (varies by model)
Speed RatingH (130 mph)
Notes
- →Always match all four tires for size, speed rating, and load index
- →Tire pressure specs are on the driver door jamb sticker, NOT the tire sidewall
- →Winter tires should be the same size or one size narrower than stock
- →Check if your model has TPMS — sensors need relearning after tire rotation
1994-1999
1994-1999Common Tire Sizes205/55R16 or 215/60R16
Tire Pressure (Front/Rear)32 - 36 PSI (check door jamb sticker)
Bolt Pattern5x100 or 5x114.3 (varies by model)
Speed RatingH (130 mph)
Notes
- →Always match all four tires for size, speed rating, and load index
- →Tire pressure specs are on the driver door jamb sticker, NOT the tire sidewall
- →Winter tires should be the same size or one size narrower than stock
- →Check if your model has TPMS — sensors need relearning after tire rotation
1988-1993
1988-1993Common Tire Sizes205/55R16 or 215/60R16
Tire Pressure (Front/Rear)32 - 36 PSI (check door jamb sticker)
Bolt Pattern5x100 or 5x114.3 (varies by model)
Speed RatingH (130 mph)
Notes
- →Always match all four tires for size, speed rating, and load index
- →Tire pressure specs are on the driver door jamb sticker, NOT the tire sidewall
- →Winter tires should be the same size or one size narrower than stock
- →Check if your model has TPMS — sensors need relearning after tire rotation
1983-1987
1983-1987Common Tire Sizes205/55R16 or 215/60R16
Tire Pressure (Front/Rear)32 - 36 PSI (check door jamb sticker)
Bolt Pattern5x100 or 5x114.3 (varies by model)
Speed RatingH (130 mph)
Notes
- →Always match all four tires for size, speed rating, and load index
- →Tire pressure specs are on the driver door jamb sticker, NOT the tire sidewall
- →Winter tires should be the same size or one size narrower than stock
- →Check if your model has TPMS — sensors need relearning after tire rotation
Frequently Asked Questions
- What size tires does a Mercury Grand Marquis use?
- The Mercury Grand Marquis tire size varies by trim level and model year. Base trims typically use smaller wheels (16") while higher trims use 17" or 18" wheels. Check the breakdown below for your specific year and trim.
- What is the correct tire pressure for a Mercury Grand Marquis?
- Recommended tire pressure for the Mercury Grand Marquis is typically 32-36 PSI. The exact specification is on the sticker inside the driver's door jamb. Do NOT use the "max pressure" number on the tire sidewall.
- Can I put bigger tires on my Mercury Grand Marquis?
- You can typically go one size up in width (e.g., 215 to 225) without issues. Going up in diameter (e.g., 16" to 17") requires matching wheels and may affect speedometer accuracy. Extreme upsizing can cause rubbing and void warranty.
- How often should I rotate Mercury Grand Marquis tires?
- Rotate your Mercury Grand Marquis tires every 5,000-7,500 miles for even wear. Front-wheel drive vehicles wear front tires faster, so regular rotation is especially important.