On this page you’ll find the full specifications for this 305/55R20 Nitto Terra Grappler G3 All Weather tire — including load/speed ratings, certifications (3PMS / studdable / run-flat / XL), UTQG (when provided by the manufacturer), and shipping details for Ontario and Quebec.
Quick Specs
Size: 305/55R20
Brand / Model: Nitto Terra Grappler G3
Season: All Weather
Certifications: 3PMSF severe snow service
Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
305/55R20 Nitto Terra Grappler G3 All Weather
3PMSF severe snow service rating indicated.
How this tire is positioned
305/55R20 Nitto Terra Grappler G3 is positioned as a all weather tire built around a 305 mm section width and 20-inch wheel fitment.
In practical terms, this size combines a 55-series sidewall of about 168 mm with a 20-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.
Feature-wise, this listing indicates 3PMS certification for severe-snow service.
About the 305/55R20 tire size
The 305/55R20 size breaks down as follows:
305 — tread width in millimetres
55 — sidewall height as a percentage of tread width (approx. 168 mm)
R20 — fits a 20-inch rim
The 305/55R20 size is commonly found on full-size trucks and large SUVs. If you’re matching an existing set, confirm the full size marking on your sidewall before ordering.
Key features — Nitto Terra Grappler G3 in 305/55R20
3PMSF severe snow service symbol indicated.
Size: 305/55R20 (fits an 20-inch wheel).
Season category: All Weather.
Quebec winter tire mandate — all-weather eligible
All-weather tires bearing the 3PMS symbol — like the 305/55R20 Nitto Terra Grappler G3 — satisfy Quebec’s mandatory winter tire requirement (December 1 to March 15) while remaining usable year-round. A practical choice for drivers in both Ontario and Quebec.
Warranty
Warranty: 88000
This warranty is provided by Nitto and applies subject to normal use and service conditions. Contact us or the manufacturer directly for claim procedures and exclusions.
Find tires for your vehicle
Select your year, make, model, and trim to see all compatible tires available for delivery across Ontario and Quebec:
Frequently asked questions — 305/55R20 Nitto Terra Grappler G3 All Weather
What does the 305/55R20 tire size mean?
The 305/55R20 size indicates a tread width of 305 mm, a sidewall ratio of 55% (approximately 168 mm tall), and a 20-inch rim diameter. This size is commonly found on full-size trucks and large SUVs.
Is the 305/55R20 Nitto Terra Grappler G3 a All Weather tire?
Yes — the 305/55R20 Nitto Terra Grappler G3 is categorized as a All Weather tire. All-weather tires carry the 3PMS symbol and meet Quebec’s mandatory winter tire requirement.
Is the 305/55R20 Nitto Terra Grappler G3 3PMS rated?
Yes — the 305/55R20 Nitto Terra Grappler G3 carries the 3PMSF (Three-Peak Mountain Snowflake) severe snow service symbol, confirming it meets recognized winter traction performance standards.
Is the 305/55R20 Nitto Terra Grappler G3 studdable?
The listing for the 305/55R20 Nitto Terra Grappler G3 does not specify studdable capability. Contact us or check the manufacturer’s documentation for confirmation.
Does the 305/55R20 Nitto Terra Grappler G3 support run-flat driving?
No — the 305/55R20 Nitto Terra Grappler G3 is not listed as run-flat.
Is the 305/55R20 Nitto Terra Grappler G3 an XL (extra load) tire?
No — the 305/55R20 Nitto Terra Grappler G3 is not listed as XL (extra load).
Can I order the 305/55R20 Nitto Terra Grappler G3 with delivery to Ontario or Quebec?
Yes — XYZTires ships the 305/55R20 Nitto Terra Grappler G3 to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).