1999 Mercury Mountaineer Wheel & Tire Sizes
Complete fitment guide for the 1999 Mercury Mountaineer: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x114.3 bolt pattern — for every trim.
Bolt Pattern
5x114.3
Centre Bore
70.5 mm
Lug nuts
1/2" - 20 UNF
Wheel Diameters
15"–22"
Factory (OEM) Tire Sizes for the 1999 Mercury Mountaineer
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
1999 Mercury Mountaineer Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 1999 Mercury Mountaineer configuration.
4.0i · Closed Off-Road Vehicle, 5d
V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15–22" |
| Wheel width | 6–7.5" |
| Wheel offset | 5–25 mm |
| Tire width | 225–255 mm |
4.0i 4WD · Closed Off-Road Vehicle, 5d
V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15–22" |
| Wheel width | 7–8" |
| Wheel offset | 5–25 mm |
| Tire width | 235–255 mm |
5.0i · Closed Off-Road Vehicle, 5d
V8 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15–22" |
| Wheel width | 6–8" |
| Wheel offset | 5–25 mm |
| Tire width | 225–255 mm |
5.0i AWD · Closed Off-Road Vehicle, 5d
V8 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15–22" |
| Wheel width | 7–8" |
| Wheel offset | 5–25 mm |
| Tire width | 235–255 mm |
1999 Mercury Mountaineer Fitment FAQ
What is the bolt pattern on a 1999 Mercury Mountaineer?
The 1999 Mercury Mountaineer uses a 5x114.3 bolt pattern (5 lug nuts on a 114.3 mm circle) with a 70.5 mm centre bore.
What size tires fit a 1999 Mercury Mountaineer?
Factory (OEM) tire sizes for the 1999 Mercury Mountaineer include 225/70R15, 235/75R15, 235/70R16, 255/70R16, 235/65R17, 255/60R17, 255/65R17, 255/60R18, 255/55R18, 265/60R18. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 1999 Mercury Mountaineer?
Depending on trim, the 1999 Mercury Mountaineer accepts wheels from 15" up to 22" in diameter with the correct width and offset — larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 1999 Mercury Mountaineer use?
The 1999 Mercury Mountaineer uses 1/2" - 20 UNF lug nuts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.