Staggered · 18×9.5 ET12 / 18×10 ET12
Documented on a 1998 Toyota Supra build — observed custom fitment, not a universal fit guarantee.
Wheel: Rota GTR-D
- Front
- 18×9.5 ET12 · 225/40R18
- Rear
- 18×10 ET12 · 235/40R18
1998 Toyota Supra Wheel Offset
ET37 · ET50
Quick specs
- OEM offset
- ET37 · ET50
- Wheel size
- 7x16 · 8x17 · 8x16
- Backspacing
- 4.96 in · 5.97 in
- Bolt pattern
- 5×114.3
- Center bore
- 60.1 mm
- Tire size
- 225/50R16 · 235/45R17
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 3.0 · I6, Petrol | 7x16 | 7x16 | ET37 | 4.96 in | 225/50R16 | 5x114.3 | 60.1 mm | M12 x 1.5 |
| 3.0 Turbo · I6, Petrol | 8x17 | 8x17 | ET50 | 5.97 in | 235/45R17 | 5x114.3 | 60.1 mm | M12 x 1.5 |
| 3.0 (JZA80) · I6, Petrol | 8x16 | 8x16 | ET50 | 5.97 in | 225/50R16 | 5x114.3 | 60.1 mm | M12 x 1.5 |
| 3.0 Turbo (JZA80) · I6, Petrol | 8x16 | 8x16 | ET50 | 5.97 in | 225/50R16 | 5x114.3 | 60.1 mm | M12 x 1.5 |
| 3.0 Turbo (JZA80) · I6, Petrol | 8x17 | 8x16 | ET50 | 5.97 in | 235/45R17 / 225/50R16 | 5x114.3 | 60.1 mm | M12 x 1.5 |
See how a different wheel would sit See wheel backspacing
What happens if you change the offset?
Compare your own setup
See how a different width or offset sits versus an OEM configuration for this year.
Wheels and hardware for this vehicle
More on AmazonLug hardware
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White Knight 1707SBK-20AM Black Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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MIKKUPPA M12x1.5 Lug Nuts Set of 24pcs Hex 13/16'' (21mm) Black OEM Factory Style Mag Seat Lug Nuts Replacement for Toyota Lexus Factory Wheels
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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White Knight 1707S-20AM Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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Wheel locks
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McGard 24157 Chrome Cone Seat Wheel Locks (M12 x 1.5 Thread Size) - Set of 4
Confirmed vehicle catalog match. Confirm seat style for your wheel.
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Gorilla Automotive Wheel Locks With Washer (M12x1.50)
M12 x 1.5 · lock
Matches M12 x 1.5 — confirm seat style for your wheel
Check price on Amazon
Real-World 1998 Toyota Supra Wheel Setups
Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.
Common custom wheel sizes
Among builds in our database for this model year:
- 18-inch — 1 documented build
1 documented build.
More specs for the 1998 Toyota Supra
OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.