Cooper LT285/65R18 E Discoverer S/T Maxx
Tire Benefits
- To further reinforce tire strength in the sidewall and tread for incredible durability on tough terrain
- Provides low tread pattern noise and even wear
- Help reduce stone retention and resist cutting and chipping
- Help discharge debris and resist stone retention
Tire Features
- Armor Tek3® construction provides a specially configured 3rd ply
- Hybrid 4-5 rib design
- Uniquely angled grooved walls coupled with specially engineered rubber compound
- Strategically placed stone ejector ribs
- M+S Rated
- 45-Day Test Drive
Built with everyday drivability in mind, the Cooper LT285/65R18 E Discoverer S/T Maxx offers a strong balance of grip, ride comfort, and long-term wear. It's a popular choice for LT drivers who want reliable performance across changing road conditions.
Quick Specs (Varies by Size)
- Size: (285 width / 65 aspect ratio / 18 rim)
- Type: 4-SEASON for LT
- Load: 125/122 (up to 3640 lbs per tire)
- Speed Rating: Q
- Sidewall: BSW
What the Size Means
Tire size plays a major role in how your vehicle rides, handles, and carries weight. The designation refers to the tire's width, sidewall profile, and wheel diameter (18 inches). Matching your current size helps preserve ride quality and handling characteristics, while size changes may affect clearance, gearing, and load capacity.
Real-World Performance
Drivers often choose the Cooper LT285/65R18 E Discoverer S/T Maxx for its balanced road manners. Whether commuting, running errands, or heading out on longer trips, this tire is designed to maintain steady grip and a controlled ride feel across a wide range of conditions.
Light Truck (LT) Tire Considerations
As a Light Truck (LT) tire, this Cooper LT285/65R18 E Discoverer S/T Maxx is built with a stronger internal construction to handle higher loads and tougher use. LT tires are commonly used on pickup trucks, vans, and SUVs that tow, haul, or carry heavier cargo. The rating indicates reinforced sidewalls designed to support higher inflation pressures and added durability.
Fitment Guidance
The easiest way to confirm that is correct is to look at the tires currently on your vehicle and read the size directly from the sidewall. Also make sure the load index (125/122) and speed rating (Q) meet or exceed what you're running now. If you're unsure, we're happy to help you confirm fitment before ordering.
Care Tips to Maximize Tire Life
- Maintain proper air pressure: Check monthly to support even wear and handling.
- Rotate tires regularly: Helps extend tread life and improve consistency.
- Balance on installation: Reduces vibration and uneven wear.
- Address alignment issues early: Misalignment can shorten tire life quickly.
Why Buy This Tire From TireSet.ca
We make it easy to get the Cooper LT285/65R18 E Discoverer S/T Maxx with Free Shipping and knowledgeable support if you need it. Flexible payment options are also available to help you get the tires you need without delay.
FAQ
Is the Cooper LT285/65R18 E Discoverer S/T Maxx right for my vehicle?
Fitment depends on size, load requirements, and clearance. Confirm , 125/122, and Q against your current tires to ensure compatibility.
Will this tire work year-round?
Many 4-SEASON tires are suitable for year-round driving, but severe winter conditions may call for a dedicated winter tire or a 3PMSF-rated option.
Need help choosing?
Call or text us at 416-847-7343 and we'll help you confirm fitment and select the best tire for how and where you drive.

