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An 18×8.5 wheel does not determine vehicle clearance, bolt pattern, offset, brake clearance, load requirement or the correct tire size. The examples below use 225/40R18 because several current models approve it on rim-width ranges that include 8.5 inches. That does not make 225/40R18 correct for every 18×8.5 wheel or vehicle. Start with the door placard and vehicle fitment, then confirm manufacturer rim range, load index, speed rating, overall diameter and clearance at full steering and suspension travel.
| # | Product | Price | Where to buy |
|---|---|---|---|
| 1 | Michelin Pilot Sport 4S 225/40ZR18 92Y XL | $230–$300 | Amazon · eBay |
| 2 | Continental ExtremeContact Sport 02 225/40ZR18 92Y XL | $190–$260 | Amazon · eBay |
| 3 | Bridgestone Potenza Sport 225/40R18 92Y XL | $200–$270 | Amazon · eBay |
| 4 | Bridgestone Potenza RE980AS+ 225/40R18 92W XL | $155–$180 | Amazon · eBay |
| 5 | Vredestein Hypertrac All Season 225/40R18 92Y XL | $160–$190 | Amazon |
| 6 | Cooper Cobra Instinct 225/40ZR18 92Y XL | $165–$200 | Amazon · eBay |
| 7 | Falken Azenis FK460 A/S 225/40R18 92W XL | $140–$190 | Amazon |
| 8 | Pirelli P Zero All Season Plus 3 225/40R18 92W XL | $160–$210 | Amazon |
| 9 | Firestone Firehawk Indy 500 225/40R18 92W XL | $140–$190 | Amazon · eBay |
The picks, in detail
Michelin Pilot Sport 4S 225/40ZR18 92Y XL
A max-performance summer option whose approved 225/40ZR18 rim range includes an 8.5-inch wheel, conditional on vehicle fitment.
- 225/40ZR18
- 92Y XL
- summer
- 7.5–9-inch rim range
- 8.5 inch included
- Y rating
- summer only
- placard required
Continental ExtremeContact Sport 02 225/40ZR18 92Y XL
A 225/40ZR18 summer tire with 8.5 inches inside its approved rim range; use only after vehicle clearance confirmation.
- 225/40ZR18
- 92Y XL
- summer
- 7.5–9-inch rim range
- 8.5 inch compatible range
- Y rating
- not winter use
- vehicle-dependent
Bridgestone Potenza Sport 225/40R18 92Y XL
Tire Rack specifies a 7.5–9-inch rim width range, including 8.5 inches, for this 92Y XL summer tire.
- 225/40R18
- 92Y XL
- summer
- 7.5–9-inch rim range
- published rim range
- high speed rating
- summer only
- not a universal wheel fit
Bridgestone Potenza RE980AS+ 225/40R18 92W XL
An all-season 225/40R18 example for an 8.5-inch wheel when placard, clearance and 92W XL specification match the vehicle.
- 225/40R18
- 92W XL
- all-season
- 8.5-inch compatible range
- all-season class
- current price $159.35
- not severe-snow rated
- W not Y
Vredestein Hypertrac All Season 225/40R18 92Y XL
A current 92Y XL all-season choice listed at $164.77 in the representative 225/40R18 size for compatible 8.5-inch applications.
- 225/40R18
- 92Y XL
- all-season
- 8.5-inch compatible range
- Y rating
- current retail listing
- not severe-snow rated
- fitment conditional
Cooper Cobra Instinct 225/40ZR18 92Y XL
A 92Y XL ultra-high-performance all-season in the representative width, only after confirming its manufacturer rim-width chart includes the exact wheel.
- 225/40ZR18
- 92Y XL
- all-season
- 8.5-inch application
- all-season category
- Y rating
- confirm rim chart
- vehicle fitment needed
Falken Azenis FK460 A/S 225/40R18 92W XL
A UHP all-season 225/40R18 choice for an 8.5-inch wheel only where the approved range and vehicle placard agree.
- 225/40R18
- 92W XL
- all-season
- 8.5-inch application
- all-season use
- XL load
- confirm rim range
- W rating
Pirelli P Zero All Season Plus 3 225/40R18 92W XL
A current all-season model in a representative 18-inch size; clearance and required load rating remain vehicle-specific.
- 225/40R18
- 92W XL
- all-season
- 8.5-inch application
- all-season category
- XL construction
- not a universal answer
- check rim chart
Firestone Firehawk Indy 500 225/40R18 92W XL
A summer performance example in 225/40R18 for compatible 8.5-inch wheels, not a clearance guarantee for any vehicle.
- 225/40R18
- 92W XL
- summer
- 8.5-inch application
- common performance size
- XL load
- summer only
- check vehicle clearance
Buying tips
- Use the vehicle placard before wheel-width advice.
- Confirm tire maker rim range includes 8.5 inches, then check offset, brake clearance and suspension clearance.
- Replace tires in axle pairs and keep overall diameter suitable for ABS, AWD and speedometer systems.
As an Amazon Associate and eBay Partner, toptenpick.com earns from qualifying purchases. Prices and availability are subject to change.