From: http://blog.nextstepdesigns.com/?p=46  

LR3 wheel & tire specifications and options

I am frequently asked about tire and rim size options for the LR3. Here are the specifications for the stock 18″ and 19″ wheels that fit the Land Rover LR3/Discovery III. This information has been compiled from reports posted on various forums. I have not personally verified each tire/wheel size combination. I personally run the 285/60/18 Nittos and really like them. The following information does not include the 17″ wheel option for base spec models (which are not common in the USA).

Wheel specifications:
- Pattern: 5 lug
- Pitch Circle Diameter: 120mm
- Offset is 53P (approximately 165mm or 6.5″ +/-)

Tire Options:

Generally, you are limited to just under 32″ dia tires for the LR3. People have reported minor rubbing with 32″ tires, and slight rubbing with 31.5″ tires.

General size comparison numbers:
- Tire size calculator: www.miata.net/garage/tirecalc.html
265×60x18 = 30.5″
275×60x18 = 31″
285×60x18 = 31.46″
275×65x18 = 32 (probably too big)

Tire options - 18″ rims

• Nitto Terra Grappler 285/60/R18 (31.38″ x 11.54″)
• Bridgestone Dueler Revo AT’s - P265/70R18 People report rubbing with these (slightly larger than 32″ dia.) Also available at: 275/65TR18
• Pirelli Scorpion Zero - 255/60VR18
• Michelin Cross Terrain’s - 275/55/18
• BFgoodrich All Terrian - 265/65/18
• Goodyear Silent Armour Wranglers - 265/60/R18 and R19 (30.5″dia - May not be available yet in USA)
• Yokohama Geolander A/T-S - 275/60/18 or 265/60/18
• Cooper Discoverer - 285/55/18 or 265/60/18 (30.25″ and 30.4″)
• Toyo Open Country A/T 285/60/18 (31.4″ dia)
• General Grabber AT2 - 255/60/R18 (30″ dia) - May not yet be available?
• Goodyear MTR 275/60/R18 - Not available yet (in USA)
• Pirelli Ice/Snow Scorpion - 255/60/18
• Goodyear Wrangler AT/S - 275/65SR18
• Goodyear Wrangler HP -255/60/HR18 (not a good tire)
• Goodyear MTR LT275/65R18, “E” (Not yet available in the USA)
• Pathfinder AT - 285/60/18 (from America’s Tire)

Tire options - 19″ rims