2021 Volkswagen ID.4 GTX
The 2021 Volkswagen ID.4 GTX tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Detailed tire and wheel breakdown for the 2021 Volkswagen ID.4
Tire geometry â 235/45R21
The 235/45R21 fitted to the 2021 Volkswagen ID.4 has a section width of 235mm and an aspect ratio of 45%, mounted on a 21-inch rim. That gives a sidewall height of 105.8mm (4.16") and an overall outside diameter of 744.9mm (29.33"). At highway speed this tire completes roughly 427 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2021 Volkswagen ID.4 while keeping the speedometer accurate, target a 245/38R22 (plus-one). For a softer ride or winter setup, a 225/53R20 (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 2021 Volkswagen ID.4 uses a 5x112 bolt pattern with a 57.1mm hub bore. Safe rim width range for the OEM tire is 8.0J â 9.0J, and offsets in the ET35 â ET45 window will clear suspension and fender without rubbing on most setups.
Staggered setup notes
The 2021 Volkswagen ID.4 ships staggered: 235/45R21 up front and 255/40R21 on the rear. That is a 255mm vs 235mm width difference â do not rotate front-to-rear, and replace tires in axle pairs to keep ABS and traction control balanced.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2021 Volkswagen ID.4 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) |
|---|---|---|---|
| GTX | 235/45R21 Rear: 255/40R21 | 21" x 8.5 | ET40 |
Frequently Asked Questions
What tire size does the 2021 Volkswagen ID.4 GTX use?
The 2021 Volkswagen ID.4 GTX uses 235/45R21 tires as standard equipment.
What is the bolt pattern of the 2021 Volkswagen ID.4 GTX?
The 2021 Volkswagen ID.4 GTX has a 5x112 bolt pattern with a center bore of 57.1mm.
What is the wheel offset of the 2021 Volkswagen ID.4 GTX?
The 2021 Volkswagen ID.4 GTX has a wheel offset of ETET40.