2021 Subaru WRX STI Wheel Offset
Quick specs
- Wheel size
- Multiple — see configurations
- Offset
- ET55 · ET48 · ET50 · ET43
- Backspacing
- 6.42 in · 6.39 in · 5.97 in · 6.69 in
- Bolt pattern
- 5×114.3
- Center bore
- 56.1 mm
- Thread
- M12×1.25
- Tire size
- Multiple — see configurations
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 2.5T · 2.5L, EJ25, H4, Petrol | 8.5x18 | 8.5x19 | ET55 | 6.42 in | 245/40R18 / 245/35R19 | 5x114.3 | 56.1 mm | M12 x 1.25 |
| 2.5T · 2.5L, EJ25, H4, Petrol | 9x20 | 8.5x19 | ET48 / ET55 | 6.39 in | 255/30R20 / 245/35R19 | 5x114.3 | 56.1 mm | M12 x 1.25 |
| 2.5T · 2.5L, EJ25, H4, Petrol | 8x19 | 10x19 | ET50 / ET43 | 5.97 in | 255/45R19 / 255/30R19 | 5x114.3 | 56.1 mm | M12 x 1.25 |
| 2.5T · 2.5L, EJ257, H4, Petrol | 8.5x18 | 8.5x19 | ET55 | 6.42 in | 245/40R18 / 245/35R19 | 5x114.3 | 56.1 mm | M12 x 1.25 |
| 2.5T · 2.5L, EJ257, H4, Petrol | 9x20 | 8.5x19 | ET48 / ET55 | 6.39 in | 255/30R20 / 245/35R19 | 5x114.3 | 56.1 mm | M12 x 1.25 |
Wheels and hardware
More on AmazonLug hardware
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White Knight 5306 Chrome M12x1.25 OEM Factory Style Mag Lug Nuts, 4 Pics
M12 x 1.25
Matches M12 x 1.25 thread — confirm wheel seat style
Check price on Amazon
White Knight 1706S-20AM Chrome M12 x 1.25 Bulge Acorn Lug Nut
M12 x 1.25
Matches M12 x 1.25 thread — confirm wheel seat style
Check price on Amazon
White Knight 3806XL-25AM Chrome M12x1.25 Spike Lug Nuts
M12 x 1.25
Matches M12 x 1.25 thread — confirm wheel seat style
Check price on Amazon
Wheel locks
More on AmazonCompare your own setup
See how a different width or offset sits versus an OEM configuration for this year.
More specs for the 2021 Subaru WRX STI
Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.