The 285/75R18 has an overall diameter of 88.5 cm. The T&RA recommended rim width for a 285mm section width is 8–11 inches, with a measuring rim of 9.5 inches. This page lists 77 compatible alternatives within 3% of the original diameter. Sizes are organized by wheel diameter. Within each section, the closest match per treadwidth is shown in italics. All sizes are theoretical and there may not be an actual production tire for the size.
This is a light truck (LT) size. Most tire retailers include both passenger-metric and LT-metric tires when searching this size — for example, searching 285/75R18 will typically surface LT285/75R18 results as well. Load range and ply rating vary between metric types; verify the load index matches your vehicle's requirements before purchasing.
285/75R18 Specifications
Current Tire Pricing
Price availability updated May 2026. Actual prices may vary.
Tire Recommendations
On-Road All-Terrain
Pavement-primary with light off-road and gravel capability
Yokohama Geolandar A/T4
Treadwear: 700
Off-Road All-Terrain
Adventure-ready traction for both trails and pavement
BFGoodrich All-Terrain T/A KO3
Treadwear: None
Falken WildPeak A/T4W
Treadwear: None
Toyo Open Country A/T III
Treadwear: None
Rugged All-Terrain
Aggressive off-road capability with acceptable on-road manners
Nitto Ridge Grappler
Treadwear: None
Toyo Open Country R/T Trail
Treadwear: None
Off-Road Max Traction
Maximum off-road traction for serious rock, mud, and trail use
BFGoodrich Mud-Terrain T/A KM3
Treadwear: None
How to Use This Information
- Stay within 3%: All listed tire sizes maintain proper speedometer accuracy and vehicle dynamics
- Consider aspect ratio: Lower numbers mean shorter sidewalls (better handling, harsher ride)
- Treadwidth matters: Wider tires typically offer more grip but may reduce fuel economy
- Check clearance: Ensure your vehicle has adequate wheel well and suspension clearance
Want to look up compatibility for a different tire size? Use our tire size compatibility lookup