Toyo Open Country A/T III LT275/65R20
A well-reviewed all-terrain tire for Silverado Trail Boss shoppers who want a balanced road/trail tire with strong survey depth and official warranty support.
Quick answer
Toyo Open Country A/T III LT275/65R20 (LT275/65R20-OCAT3) is here because it has real fitment notes, official resources, 1 checked seller, pricing from $1,740.00, and 3 price and stock checks. Read the short take below, then confirm specs, stock, price history, and install requirements before choosing a seller.
Our take
Our take: Toyo Open Country A/T III LT275/65R20 belongs on this shelf because it gives Silverado 1500 LT Trail Boss 4x4 Crew Cab shoppers another real all-terrain choice instead of forcing every owner toward the same tire. Toyo positions the A/T III around off-road traction, wet and dry braking, a quiet ride, snow capability, and broad size coverage, making it a reliable comparison point against flashier hybrid tires. The official product and warranty resources explain why customers shop it, while the retail size page keeps the recommendation grounded in the same measurable fitment checks as the other LT275/65R20 tires. a balanced all-terrain with mature survey depth and a less extreme road feel than louder hybrid-style tires It can cost more than lower-priced value tires, so the buyer should weigh survey confidence against current stock and set price. Use it for comparison and fitment planning, then verify load range, wheel width, offset, stock, and the final seller page before ordering.
How it compares
This lands in the middle of the wheel & tire clearance shelf, where checked prices run $1,507.96 to $1,803.96 and this product has 1 checked seller for this product. A cheaper tire or wheel is reasonable when the specs line up, the seller is trusted, and the owner values total installed cost over extra sidewall, tread, finish, or warranty advantages. The expensive option is worth considering when it buys stronger construction, better wet/snow behavior, a more trusted fitment path, or a wheel configuration with clearer load and offset documentation. Compare it against Nitto Recon Grappler A/T LT275/65R20 on price and BFGoodrich All-Terrain T/A KO3 LT275/65R20 on features before deciding.
Toyo Open Country A/T III LT275/65R20 is best for shoppers who want a balanced all-terrain with mature survey depth and a less extreme road feel than louder hybrid-style tires
Confirm exact size, load range, rim-width range, and service description before comparing seller prices.
Keep the Silverado 1500 LT Trail Boss 4x4 Crew Cab wheel offset and clearance limits visible because tire diameter alone does not prove the package fits.
Based on our read of: Toyo Open Country A/T III LT275/65R20 official product page, Toyo tire warranty, Toyo Open Country A/T III LT275/65R20 retail specs.
Specs first, photos when cleared
We do not fill product pages with unrelated stock photos. Use the official resources and seller listings below to confirm the exact SKU; approved manufacturer or partner-feed photos will appear here when available.
Compatibility by model year
Year range is only the first pass. The final answer still depends on model, trim, body style, drive, suspension package, and current seller fitment data.
2019-2026 Chevrolet Silverado 1500 fourth-generation trucks when LT275/65R20 specs stay inside the route limits
This tire size is useful only when the full wheel-and-tire setup is checked. The LT275/65R20 size has to stay inside the Silverado 1500 LT Trail Boss 4x4 Crew Cab route's 34.2 inch tire-diameter limit and must be paired with the right load, rim width, and wheel offset.
Verified trim route
LT Trail Boss 4x4 Crew Cab
Trim/body rules
The checked route is a 2024 Silverado 1500 LT Trail Boss 4x4 Crew Cab with factory-lift planning. Lower LT/RST trims, ZR2, heavy towing setups, aftermarket lifts, brake packages, and GMC Sierra equivalents need their own seller and clearance checks before inheriting this answer.
Why this year range
The 2019 Silverado/Sierra generation introduced a new light-duty truck platform, and the 2027 Silverado update creates a future boundary. This shelf stays on 2019-2026 fourth-generation Silverado 1500 Trail Boss-style clearance rather than applying one year range to every GM 1500 truck.
Source freshness note
The Toyo page explains the tire family, while live retail size specs decide whether the exact selected tire remains inside the current Silverado 1500 LT Trail Boss 4x4 Crew Cab clearance range.
Included
- 2019-2026 Chevrolet Silverado 1500 fourth-generation trucks planning where the tire specs agree
- Positive-offset wheel packages inside the checked +18 to +32 mm route window
Excluded
- Wrong load range or service description
- Wheel widths outside the tire spec
- Aggressive offsets, lifts, or trimming plans without their own route
Check before buying
- Load range and service description
- Rim width and tire diameter
- Wheel offset and full-lock clearance
Sources used for this range
Toyo Open Country A/T III LT275/65R20 official product page
Official product page anchors the tire family and manufacturer positioning used for this product page.
Toyo Open Country A/T III LT275/65R20 retail specs
Retail tire page provides the exact seller/spec context used for the tracked offer and fitment snapshot.
2019 GM 1500 generation boundary
Generation-boundary material keeps this vehicle route separate from prior-generation tire reports and year-only compatibility shortcuts.
Specs to verify
Size
LT275/65R20
Tire family
Open Country A/T III all-terrain tire
Fitment basis
Checked LT tire package with 34 inch-class diameter, load range, warranty, rim-width, and spare clearance
Review context
Tire Rack survey context shows an excellent 8.6-style score and broad review-topic depth in the reviewed snapshot
Manufacturer documents and videos
Seller offers
Tire Rack
$1,740.00
4.3 (475 reviews on Tire Rack survey snapshot)
Checked Jun 2026
Low $1,740.00
Good Trail Boss tire option when load range E, 34.1 inch diameter, rim-width range, and final wheel offset all check out.
2024 Chevrolet Silverado 1500 LT Trail Boss 4x4 Crew CabPrice and stock history
Apr 22, 2026
$1,780.00
May 22, 2026
$1,760.00
Jun 22, 2026
$1,740.00
Stock note
Seed snapshot keeps Toyo as limited because exact LT275/65R20 availability can swing by warehouse and installer market.
Deal note
Strong survey depth and Toyo documentation make it a serious comparison tire even when it is not the lowest price.
Media and documents
No stock photos are substituted. Images appear only when a manufacturer, retailer, or approved partner feed allows display; specs, manuals, seller prices, and stock checks are ready now.
Open Toyo docsWhy this product is here
We keep this product published because it has official documentation, useful install media, seller offers, and price/stock history that a buyer can check before ordering.
Before checkout
Confirm the seller fitment selector, current stock, shipping, return terms, and any programming, alignment, trimming, or installer requirements.