2014 BAIC BJ40 Plus 4WD
The 2014 BAIC BJ40 Plus 4WD tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Detailed tire and wheel breakdown for the 2014 BAIC BJ40
Tire geometry â 245/70R17
The 245/70R17 fitted to the 2014 BAIC BJ40 has a section width of 245mm and an aspect ratio of 70%, mounted on a 17-inch rim. That gives a sidewall height of 171.5mm (6.75") and an overall outside diameter of 774.8mm (30.50"). At highway speed this tire completes roughly 411 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2014 BAIC BJ40 while keeping the speedometer accurate, target a 255/62R18 (plus-one). For a softer ride or winter setup, a 235/78R16 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 2014 BAIC BJ40 uses a 6x139.7 bolt pattern with a 100.1mm hub bore. Safe rim width range for the OEM tire is 7.0J â 8.0J, and offsets in the ET30 â ET40 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2014 BAIC BJ40 is printed on the driver-side door jamb sticker â always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
Fitment Specifications
| Engine & Trim | Tire Size | Rim Size | Offset (ET) |
|---|---|---|---|
| Plus 4WD | 245/70R17 | 17" x 7.5 | ET35 |
Frequently Asked Questions
What tire size does the 2014 BAIC BJ40 Plus 4WD use?
The 2014 BAIC BJ40 Plus 4WD uses 245/70R17 tires as standard equipment.
What is the bolt pattern of the 2014 BAIC BJ40 Plus 4WD?
The 2014 BAIC BJ40 Plus 4WD has a 6x139.7 bolt pattern with a center bore of 100.1mm.
What is the wheel offset of the 2014 BAIC BJ40 Plus 4WD?
The 2014 BAIC BJ40 Plus 4WD has a wheel offset of ETET35.