Best Trailer Tires for Boat Trailers and Utility Trailers in 2026
Five ST-rated trailer tires built for the heat and load demands of towing, priced from budget-friendly to heavy-duty for boat, cargo, and utility trailers.
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Trailer tires are a completely different product from the tires on the tow vehicle, built with stiffer sidewalls and different rubber compounds to resist the sway and heat buildup that comes from towing rather than driving under power. This guide covers five ST-rated (Special Trailer) tires from about $65 to $160 per tire, aimed at owners of boat trailers, utility trailers, and small cargo trailers who want to avoid the blowouts that cheap trailer tires are notorious for.
The single biggest mistake trailer owners make is fitting passenger car (P-rated) or light truck (LT-rated) tires instead of proper ST-rated tires. Passenger tires aren’t built to handle a trailer’s static, unpowered load pattern and tend to overheat and fail well before their tread wears out, which is why ST-rated tires exist as a distinct category. Load range also matters more here than tread pattern, since most trailer tire failures come from running a tire at or near its maximum load rating rather than from wear.
Age matters as much as tread depth for trailer tires, since boat and utility trailers often sit unused for long stretches between trips, letting the rubber dry-rot even while tread looks nearly new. Checking the DOT date code stamped on the sidewall is worth doing at purchase and again every couple of years, since most manufacturers recommend replacement around five to seven years regardless of remaining tread.
1. Carlisle Radial Trail HD — best all-around boat trailer tire
Carlisle’s Radial Trail HD is one of the most widely recommended ST-rated radials for boat and utility trailers, built with a reinforced sidewall designed for the sustained heat of highway towing. Street price runs $100-$140 per tire.
- Why it’s a good buy: the radial construction runs noticeably cooler at highway speeds than bias-ply alternatives, reducing the heat-related failures that are the most common cause of trailer tire blowouts, and Carlisle’s widespread availability makes replacement easy while traveling
- Where to buy: Amazon, Walmart
2. Goodyear Endurance — best for heavier boat and cargo trailers
Goodyear’s Endurance ST tire is built specifically for the load demands of heavier trailers, with a reinforced casing designed to resist the sidewall flexing that leads to premature failure under high static loads. Street price runs $140-$180 per tire.
- Why it’s a good buy: the reinforced casing handles the higher load ranges needed for larger boats and heavier cargo trailers with more margin than budget alternatives, and Goodyear’s trailer-specific tread compound resists the flat-spotting that happens when a loaded trailer sits parked for weeks
- Where to buy: Amazon, Walmart
3. Kenda Loadstar K550 — best budget option for light utility trailers
Kenda’s Loadstar K550 is a bias-ply trailer tire that covers the basics reliably for smaller, lighter-duty trailers where the extra cost of a radial isn’t necessary. Street price runs $65-$90 per tire.
- Why it’s a good buy: the price makes it easy to replace all tires on a trailer at once rather than mixing old and new tires, which is important for trailer tires since mismatched tread and pressure between tires increases sway risk
- Where to buy: Amazon, Walmart
4. Maxxis M8008 ST Radial — best heat resistance for long highway tows
Maxxis’s M8008 uses a heat-resistant compound and reinforced construction aimed squarely at owners who regularly tow long highway distances, where sustained heat buildup is the primary cause of tire failure. Street price runs $120-$160 per tire.
- Why it’s a good buy: the heat-resistant compound holds up noticeably better than budget tires on multi-hour interstate tows, and its reinforced sidewall construction reduces the sway that heavier boats can induce at highway speeds
- Where to buy: Amazon, Walmart
5. Trailer King ST Radial — best value radial upgrade
Trailer King’s ST Radial line offers the smoother, cooler-running benefits of radial construction at a price closer to bias-ply tires, making it a practical upgrade for owners moving up from older bias-ply trailer tires. Street price runs $90-$120 per tire.
- Why it’s a good buy: it delivers most of the heat and wear benefits of premium radial trailer tires without the price premium of the top-tier brands, making a full four- or five-tire replacement more affordable
- Where to buy: Amazon, Walmart
How to get the best price
- Set a price-tracking alert and buy a full matched set rather than one tire at a time. Mismatched tread and age between trailer tires increases sway and blowout risk, so buying in sets often makes more sense than spot-replacing.
- Buy in early spring before boating and camping season drives up demand. Trailer tire prices tend to firm up once peak towing season begins in late spring.
- Check the DOT date code before buying, even on new-looking tires. Trailer tires that sat in a warehouse for several years before sale offer far less useful life than the tread suggests.
- Watch for bundle pricing on tire-plus-wheel spare kits. Many retailers discount a matching spare more than buying the tire and wheel separately.
The takeaway: the Carlisle Radial Trail HD is the strongest all-around pick for typical boat and utility trailers, while the Goodyear Endurance is worth the upgrade for heavier loads. Budget-conscious owners of light trailers should consider the Kenda Loadstar K550, long-distance towers should prioritize the heat resistance of the Maxxis M8008, and anyone upgrading from bias-ply tires on a budget should look at the Trailer King ST Radial.