Avalanche TT 275/70R18
Hercules Avalanche TT 275/70R18; UTQG, warranty, prices, and OEM vehicle fitments.
NHTSA-reported issues for hercules avalanche TT 275/70R18
Top issue category: Tires (General)
Most reported: Tires (General) (30) · Tread / Belt (25) · Sidewall (10) · TPMS (1) · Valve (1)
What owners described
Sidewall failure appears in 28% of these reports; about 1.9× as often as across all tire complaints. Percentages are shares of the 46 reports covering every model year of the Hercules that include a written account; a single report can describe more than one problem, so they do not total 100%.
| Reported problem | This subject | All tire complaints | Relative |
|---|---|---|---|
| Sidewall failure | 28% | 15% | 1.9× |
| Blowout or sudden deflation | 13% | 20% | 0.6× |
| Loss of control, rollover or collision | 13% | 8% | 1.6× |
| Cracking or dry rot | 11% | 9% | 1.2× |
| Premature or uneven wear | 11% | 1% | 8.4× |
| Tread or belt separation | 9% | 13% | 0.6× |
Mileage at failure
22 of these reports state an odometer reading. The middle report is at 24,721 miles, with 8 in 10 falling between 3,800 and 173,414 miles.
In owners' own words
Verbatim excerpts from complaints filed with NHTSA about Hercules. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.
DEFECTIVE TIRES - AFTER 2 FLAT TIRES IT WAS DISCOVERED THAT ALL 4 HAD THE SAME DEFECT - BUBBLING AND SEPARATION INSIDE THE TIRE SHOULDER, AFTER APPX 17K MILES WITH PROPER INSTALLATION AND TIRE PRESSURE. WAS OFFERED THE SAME TIRES AT A REDUCED COST. DECLINED AND PURCHASED A DIFFERENT BRAND.
DEFECTIVE TIRES - AFTER 2 FLAT TIRES IT WAS DISCOVERED THAT ALL 4 HAD THE SAME DEFECT - BUBBLING AND SEPARATION INSIDE THE TIRE SHOULDER, AFTER APPX 17K MILES WITH PROPER INSTALLATION AND TIRE PRESSURE. WAS OFFERED THE SAME TIRES AT A REDUCED COST. DECLINED AND PURCHASED A DIFFERENT BRAND.
AFTER HAVING HAD MY TIRES ROTATED & BALANCED TWICE,I WAS TOLD BY THE MECHANIC THAT IT IS POSSIBLE THAT THE TIRE BELTS ARE POSSIBLY STARTING TO SEPARATE. WHILE DRIVING ON THE INTERSTATE AT HIGHWAY SPEEDS THE TIRES VIBRATE THE ARMREST AND THE REAR VIEW MIRROR... AT TIMES VERY VIOLENTLY.
AFTER HAVING HAD MY TIRES ROTATED & BALANCED TWICE,I WAS TOLD BY THE MECHANIC THAT IT IS POSSIBLE THAT THE TIRE BELTS ARE POSSIBLY STARTING TO SEPARATE. WHILE DRIVING ON THE INTERSTATE AT HIGHWAY SPEEDS THE TIRES VIBRATE THE ARMREST AND THE REAR VIEW MIRROR... AT TIMES VERY VIOLENTLY.
Complaints are voluntarily submitted to the NHTSA Office of Defects Investigation and are not verified by NHTSA; they represent owner-reported problems, not proven defects. Counts can be useful as a relative quality signal across comparable tires or vehicles.
Specs
| Brand | Hercules |
|---|---|
| Model | Avalanche TT 275/70R18 |
| Season | N/A |
| Type | N/A |
| UTQG treadwear | N/A |
| UTQG traction | N/A |
| UTQG temperature | N/A |
| Mileage warranty | N/A |
| Noise (dB) | N/A |
| Introduced | N/A |
Live prices
Live prices for this tire are being verified. Use the shop links below to compare across our online retailer partners.
Available sizes (0)
Size data being verified.
Hercules avalanche TT 275/70R18: what the numbers tell you
Manufacturer treadwear data for the Avalanche TT 275/70R18 is not publicly listed. This is common for OEM-only or track-day tires that don't carry a US treadwear warranty. No mileage warranty is published for this tire, which is typical for performance summer and track-day rubber where the manufacturer doesn't make wear-life claims.
Cabin noise data for this tire is not published by the manufacturer. As a general tire built for the passenger segment, the Avalanche TT 275/70R18 is positioned against direct rivals within the same category. Comparing it to a tire in a different category (e.g. summer vs all-season) makes the spec sheet misleading because the design targets are not the same.
The Hercules Avalanche TT 275/70R18 has been part of Hercules's catalog since its introduction, and remains a current-production model.
For an apples-to-apples comparison against direct rivals, see the comparison pages linked from this tire's brand index.
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Last verified 2026-09-02.