Roadian AT PRO RA8
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Specifications
| Size | LT305/55R20 E Roadian AT Pro RA8 (3PMSF Rated) |
|---|---|
| Width | 305 mm |
| Aspect ratio | 55 |
| Rim diameter | R20 |
| Load index | 121/118 |
| Speed rating | S |
| Ply rating | 10 |
| Treadwear warranty | 40,000 miles |
|---|---|
| Tread depth | 16/32" |
| Weight | 63.77 lbs |
| Max pressure | 80 psi |
| Severe snow (3PMSF) | Yes |
| Run-flat | No |
About the Nexen Roadian AT PRO RA8
All-Weather All-Terrain Passenger Light Truck/SUV tire. Original Equipment Fitment on RAM Vehicles. Three-Peak Mountain Snowflake Winter tire Certification is not Available on Original Equipment and Flotation tire sizes.
Features
* Dual block design* Micro grooves* Staggered center rib and increased block strength* Wide shoulder block design and enhanced block stiffness* M+S Rated* Carries the Three-Peak Mountain Snowflake (3PMSF) symbol (The 3PMSF is not available on OEM or Flotation sizes)* 50,000 Miles/80,000 km Treadwear Mileage Warranty (P-Metric Only)* 40,000 Miles/60,000 km Treadwear Mileage Warranty (LT-Metric Only)* Road Hazard Replacement Warranty (First 3/32 or 2 Years)* 36-Month Roadside Assistance
Benefits
* Prevents gravel from being caught and damage caused from external impact* Enhances driving performance and traction on wet or snow covered roads * Provide greater biting for off-road use* Increase stability and durability, even on tough roads* Meets the required performance criteria for Use in Severe Snow Conditions
Understanding the LT305/55R20 E size
In the size code 305/55R20, 305 is the section width in millimetres (about 12"). 55 is the aspect ratio — the sidewall height is 55% of the width, or roughly 167.8 mm. R20 means radial construction on a 20-inch wheel, giving an approximate overall diameter of 33.2".
The load index 121 means each tire supports up to 3,197 lbs — about 12,788 lbs across a full set of four. The speed symbol S certifies the tire to 112 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
What the Nexen Roadian AT PRO RA8 is built for
It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it passed a standardised severe-snow traction test.
Price and value
At $288.00 per tire, a full set of four costs $1152.00. That is about 17% below the average price of the 62 tires we stock in this size. Backed by a 40,000-mile treadwear warranty, that works out to roughly $28.80 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 305/55R20 mean?
305 is the section width in millimetres, 55 is the aspect ratio (sidewall height as a percentage of width, about 167.8 mm), and R20 indicates radial construction for a 20-inch wheel. Overall diameter is approximately 33.2 inches.
What are the load and speed ratings of the Nexen Roadian AT PRO RA8 LT305/55R20 E?
Its load index of 121 allows up to 3,197 lbs per tire. Its speed rating of S is certified to 112 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Nexen Roadian AT PRO RA8 LT305/55R20 E tires cost?
A single tire is $288.00 and a set of four is $1152.00, covered by a 40,000-mile treadwear warranty.
Is the Nexen Roadian AT PRO RA8 rated for snow?
Yes. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it met a standardised severe snow traction test.
Does the Roadian AT PRO RA8 come in other sizes?
Yes — we stock 58 additional Roadian AT PRO RA8 sizes besides LT305/55R20 E. Fit only a size approved for your vehicle.