#1 on this list
Discoverer AT3 XLT
Cooper
The Cooper Discoverer AT3 XLT is engineered for light-truck and full-size SUV drivers who routinely haul gear, pull trailers, and transition onto rugged washboard and rocky backroads. Positioned as an extreme-duty option within the AT3 lineup, the XLT variant introduces aggressive shoulder lugs and beefed-up sidewall protection designed to withstand abrasions when navigating ruts and aired down on rocky trails. On the highway, third-party reviewers frequently commend the AT3 XLT for its surprisingly subdued road noise. Cooper's tread design incorporates whisper-groove technology that traps sound waves within the pattern, preventing the high-pitched drone common in heavy-ply all-terrain rubber. Tread stability under heavy loads remains firm, resisting squirm during hard braking or quick lane transitions on wet asphalt. Off-pavement performance is strong across gravel, packed dirt, and shale, where built-in stone ejector ledges help shed debris before it drills into the casing. While the tire handles standard overland scenarios with confidence, its tightly packed center blocks can pack with sticky mud, making it less suitable for deep, clay-heavy bogs than a dedicated mud-terrain tire. **Highlights** - Rugged traction shoulders designed to resist rock tearing and punctures - Center tread pattern engineered to minimize pavement noise - Integrated stone ejector ledges to prevent debris retention - High load ratings tailored for heavy towing and truck bed hauling - Solid wet-pavement braking and hydroplaning resistance **Watch-outs** - Heavier construction can slightly ding fuel economy - Tread voids can pack up in thick, clay-based mud
- Price
- Check current price
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
#2 on this list
Grabber A/TX
General
The General Grabber A/TX targets budget-conscious truck and SUV owners who refuse to sacrifice rugged off-road credibility for low cost. Built to deliver aggressive, classic all-terrain aesthetics alongside dependable multi-surface traction, this tire regularly punches above its price class in independent testing, earning recognition as a premier value pick for mixed-surface travel. The tire features a five-row tread block layout with staggered shoulder scoops that claw effectively through loose dirt, sand, and deeper snow. A chip- and cut-resistant compound shields the carcass from sharp shale on forest roads, while generous siping provides biting edges for wet roads and winter conditions. The rubber maintains pliability in sub-freezing temperatures, giving it dependable year-round capability. The primary trade-offs stem from its aggressive void ratio. While quiet for an aggressive tread design, road noise is slightly more pronounced on coarse asphalt compared to milder crossover-style all-terrains. The aggressive block pattern can also retain fine gravel at lower speeds before clearing out on the highway, posing a minor stone-throwing nuisance. **Highlights** - Competitive pricing delivers strong value in the all-terrain category - Staggered shoulder scoops provide lateral bite in ruts and loose sand - Heavy siping creates reliable grip across wet pavement and packed snow - Durable compound engineered to resist chipping on gravel - Pinned for optional winter studs where regulations allow **Watch-outs** - Noticeable road hum compared to more pavement-oriented all-terrains - Tends to hold onto small gravel before slinging it at speed
- Price
- Check current price
- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
Specs side by side
| Spec | Discoverer AT3 XLT | Grabber A/TX |
|---|---|---|
| Tire Category | Heavy-Duty All-Terrain (A/T) | — |
| Vehicle Fitment | Full-Size Pickups and Large SUVs | — |
| Load Range | Light Truck (LT-Metric) Specific | — |
| Sidewall Design | Aggressive Traction Shoulders | — |
| Primary Terrains | Highway, Gravel, Packed Dirt, Rock | — |
| Tread Technology | Whisper Grooves and Stone Ejectors | — |
| Tread Pattern | — | Symmetric five-row block layout |
| Winter Rating | — | Severe snow certified (3PMSF) |
| Base Price | — | Approximately $144 per tire |
| Stud Capability | — | Pinned for optional winter studs |
| Compound Type | — | Cut- and chip-resistant rubber |
| Vehicle Fit | — | Light trucks, midsize and full-size SUVs |
What our reviewers liked and didn't
Discoverer AT3 XLT
- Exceptionally quiet pavement cruising thanks to noise-dampening groove design.
- Prominent shoulder lugs provide critical sidewall protection against rock punctures.
- Integrated stone ejector ledges prevent harmful gravel drilling into the casing.
- Stout internal construction minimizes tread squirm under heavy towing loads.
- Tightly spaced center tread blocks pack easily when driving through heavy clay mud.
- Heavier LT construction noticeably increases rolling resistance and reduces fuel economy.
- Stiff multi-ply casing produces a noticeably firm ride on empty, unladen trucks.
Grabber A/TX
- Substantially lower purchase cost than flagship all-terrain rivals
- Staggered shoulder scoops provide dependable traction in ruts and sand
- Extensive siping maintains confident grip on wet and snowy roads
- Factory-pinned tread allows installation of winter studs for ice
- Audible highway hum compared to mild-mannered crossover tires
- Wide tread voids tend to trap and discharge gravel at highway speeds
- Stiffer ride quality over small bumps than passenger-rated rubber
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.