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Cooper Discoverer AT3 XLT vs General Grabber APT — Compared

Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews (comfort 40/60). Based on 0 + 1 road tests and 800 + 82 owner reviews. How we score

Discoverer AT3 XLT is ahead, 78–68

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Cooper Discoverer AT3 XLT
Tire ACooper

Discoverer AT3 XLT

All-Terrain tire

± 7

Tests – · none yet Owners 82 · 800 reviews

“New shoes this week, Cooper Discoverer At3 XLT. I’m really impressed so far.”

General Grabber APT
Tire BGeneral

Grabber APT

All-Terrain tire

± 7

Tests – · 1 test Owners 67 · 82 reviews

Best test result: #5 of 18 in 2022 Consumer Reports All Terrain Truck Tires (tested tread life (miles))

Category by category

Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.

  1. 79

    Dry

    Discoverer AT3 XLT +12
    67
    Why this score
    SourceDiscoverer AT3 XLTGrabber APT
    Professional tests (TWG score)≈ 75 (est.)≈ 67 (est.)
    Reviews found online8567

    Discoverer AT3 XLT: 60% × 75.2 (est.) + 40% × 85.4 = 79

    Grabber APT: 60% × 67.4 (est.) + 40% × 66.6 = 67

    No road tests of dry for Discoverer AT3 XLT. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).

    No road tests of dry for Grabber APT. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).

  2. 83

    Wet

    Discoverer AT3 XLT +9
    74
    Why this score
    SourceDiscoverer AT3 XLTGrabber APT
    Professional tests (TWG score)≈ 80 (est.)≈ 73 (est.)
    Reviews found online8775

    Discoverer AT3 XLT: 60% × 79.8 (est.) + 40% × 87.3 = 83

    Grabber APT: 60% × 73.2 (est.) + 40% × 75.2 = 74

    No road tests of wet for Discoverer AT3 XLT. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).

    No road tests of wet for Grabber APT. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).

  3. 71

    Snow

    Discoverer AT3 XLT +4
    67
    Why this score
    SourceDiscoverer AT3 XLTGrabber APT
    Professional tests (TWG score)≈ 71 (est.)≈ 68 (est.)
    Reviews found online7264

    Discoverer AT3 XLT: 60% × 70.9 (est.) + 40% × 71.8 = 71

    Grabber APT: 60% × 68.4 (est.) + 40% × 63.9 = 67

    No road tests of snow for Discoverer AT3 XLT. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.32).

    No road tests of snow for Grabber APT. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.32).

  4. 77

    Comfort

    Discoverer AT3 XLT +14
    63
    Why this score
    SourceDiscoverer AT3 XLTGrabber APT
    Professional tests (TWG score)≈ 71 (est.)≈ 67 (est.)
    Reviews found online8060

    Discoverer AT3 XLT: 40% × 71 (est.) + 60% × 80.2 = 77

    Grabber APT: 40% × 66.9 (est.) + 60% × 60.1 = 63

    No road tests of comfort for Discoverer AT3 XLT. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).

    No road tests of comfort for Grabber APT. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.20).

  5. 73

    Noise

    Discoverer AT3 XLT +12
    61
    Why this score
    SourceDiscoverer AT3 XLTGrabber APT
    Professional tests (TWG score)≈ 66 (est.)≈ 66 (est.)
    Reviews found online8252

    Discoverer AT3 XLT: 60% × 66.3 (est.) + 40% × 82.2 = 73

    Grabber APT: 60% × 66.3 (est.) + 40% × 52.4 = 61

    No road tests of noise for Discoverer AT3 XLT or Grabber APT. The test half is the tested tires’ average (66): owners’ noise ratings barely follow the road tests.

  6. 74

    Treadwear

    Discoverer AT3 XLT +4
    70
    Why this score
    SourceDiscoverer AT3 XLTGrabber APT
    Professional tests (TWG score) · – / 1 tests≈ 71 (est.)71
    Reviews found online7969

    Discoverer AT3 XLT: 60% × 71.1 (est.) + 40% × 79.4 = 74

    Grabber APT: 60% × 71.1 + 40% × 68.6 = 70

    No road tests of treadwear for Discoverer AT3 XLT. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).

  7. 78

    Handling (owners)

    Discoverer AT3 XLT +20
    58
    Why this score
    SourceDiscoverer AT3 XLTGrabber APT
    Reviews found online7858
Scores at a glance
CategoryCooper Discoverer AT3 XLTGeneral Grabber APT
Relative Score 78 68
Dry 79 67
Wet 83 74
Snow 71 67
Comfort 77 63
Noise 73 61
Treadwear 74 70
Handling (owners) 78 58

Higher is better. The Relative Score follows your weights below; category scores do not change.

Weight the categories that matter to you

Wet grip starts at “Important”. Treadwear starts at “Neutral” here: road tests measured it for at most one of the two tires, so it rests on owner reviews. Move the sliders and the scores update instantly.

Important
NotLessNeutralImportantMost
Important
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Neutral
NotLessNeutralImportantMost
Less important
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Less important
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Neutral
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Less important
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Recomputed
Headline score
± 7

Discoverer AT3 XLT

± 7

Grabber APT

Pros, cons & observations

Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.

Tire A Discoverer AT3 XLT

Pros

  • Significantly lower road noise than comparable aggressive all-terrain tires
  • Excellent wet weather, snow, and slush traction
  • Sturdy sidewalls and stable performance when towing heavy loads

Cons

  • Some users report difficulty with balancing, leading to vibrations or a rough ride
  • Tread life occasionally falls short of expectations for certain drivers
  • Can struggle or get gummed up in deep mud
All owner themes in the Discoverer AT3 XLT review

Tire B Grabber APT

Pros

  • Excellent traction in wet, snowy, and light off-road conditions
  • Quiet and comfortable ride quality for an all-terrain tire
  • Attractive, rugged aesthetic that enhances vehicle appearance

Cons

  • Difficulty in achieving proper wheel balance, leading to vibrations
  • Inconsistent tread life reports, with some users experiencing premature wear
  • Tendency to pick up and retain gravel in tread grooves
All owner themes in the Grabber APT review

What real owners are saying

From Reddit, forums and review threads. Not part of our score

Tire A

Cooper Discoverer AT3 XLT

Positive

Community members report high satisfaction with the Cooper Discoverer AT3 XLT, highlighting its quiet ride, long tread life, and strong winter performance. Several owners praise its smooth ride quality and durability under towing conditions compared to rival all-terrain tires. Discussion also commonly centers around sizing, fitment, and snow ratings.

r/ram_trucks ·27 upvotes ·2024-07-11

“Cooper Discoverer AT3 XLT Picked up a set of Discoverer AT3 XLT from simple tire. With the 4th of July discounts all 4 were under 1k before taxes. I had the AT3 4S on a previous ram and they held up so I’m expecting good things here.”
r/Trucks ·3 upvotes ·2021-03-26

“Are my Discoverer AT3 XLT snow rated? Going snowboarding and roads require snow tires or chains /cables. I was looking at the sidewall of my Cooper Discoverer XLT and saw there is a small M+S next to the tire size. Is it stupid to assume these are snow rated? I'm not trying to get a ticket for not having chains if I need them, which most places seem to be sold out locally.”
cumminsforum.com ·2024-08-31

“I figure any tire review is good, even if late. I'm nearing the end of use for Cooper Discoverer AT3 XLT in LT275/70R18E 125S on OE 18x8" chrome clad wheels. They have been fantastic tires , great in the snow, quiet, never felt like they were giving up any traction except for the fourth (last) winter, but they never felt dangerous. They wore dead flat across the tread, kept the fronts at 65# and rears at 75#, rotated about every 5k miles, used Thuren alignment specs. They made 50k miles (the warranty in 2020) no problem. I have no problem getting them again or recommending them, but I like trying something different. If the different tires I chose this time don't work out (45 days), I'll just get these Coopers again.”
Top themes
#low road noise#tread longevity and wear#snow and winter traction#tire sizing and fitment#ride quality and comfort#towing performance

Based on 13 community posts

Tire B

General Grabber APT

We haven't collected enough community discussion about this tire yet.

Specs side by side

Attribute A · Cooper Discoverer AT3 XLT B · General Grabber APT
CategoryAll-Terrain tireAll-Terrain tire
Vehicle typeSUV and 4x4SUV and 4x4
Sizes available425
Rim diameters16″ – 20″16″ – 22″
Tread depth16 - 18/32″12 - 16/32″
UTQG—360 - 740 A - AA A - B
Treadwear warranty60,000 mi60,000 mi
SidewallBlack Side Wall - Raised White LetteringBlack Side Wall - Raised Outline White Lettering
Max pressure35 - 80 psi44 - 90 psi
Sizes in common22

Which one should you actually buy?

Cooper Discoverer AT3 XLT

General Grabber APT

Winner: Cooper Discoverer AT3 XLT — better handling, comfort and dry. It leads or ties in every category we score.

Pick tire A You enjoy sharp, responsive handling

Cooper Discoverer AT3 XLT scores 78 vs 58 on handling.

Pick tire A You want the most comfortable ride

Cooper Discoverer AT3 XLT scores 77 vs 63 on comfort.

Pick tire A You want the most grip on dry roads

Cooper Discoverer AT3 XLT scores 79 vs 67 on dry.

Pick tire A You want a quieter cabin

Cooper Discoverer AT3 XLT scores 73 vs 61 on noise.

Tire A · Cooper Discoverer AT3 XLT
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Tire B · General Grabber APT
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Discoverer AT3 XLT or Grabber APT?

Which is better in the wet, Discoverer AT3 XLT or Grabber APT?

Cooper Discoverer AT3 XLT, 83 vs 74 on our wet score.

Which grips better on dry roads, Discoverer AT3 XLT or Grabber APT?

Cooper Discoverer AT3 XLT, 79 vs 67 on our dry score.

Which is better in snow, Discoverer AT3 XLT or Grabber APT?

Cooper Discoverer AT3 XLT, 71 vs 67 on our snow score.

Which is quieter, Discoverer AT3 XLT or Grabber APT?

Cooper Discoverer AT3 XLT, 73 vs 61 on our noise score.

Which is more comfortable, Discoverer AT3 XLT or Grabber APT?

Cooper Discoverer AT3 XLT, 77 vs 63 on our comfort score.

Which lasts longer, Discoverer AT3 XLT or Grabber APT?

Cooper Discoverer AT3 XLT, 74 vs 70 on our treadwear score.

How do we compare tires?

Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements), each result compared with every other tire in the same test and newer tests counting more. 40% comes from owner reviews found online, adjusted for how generously each site rates. Both use one scale: the average tested tire gets 70, the best 100. When a tire has only one of the two, the missing half is estimated from the other and the score stays closer to average; with no road test and fewer than five owner reviews it gets no score yet.

Handling is the exception: road tests measure it inside the dry and wet scores, so its own row comes from owner ratings only and starts as less important.

Community buzz from Reddit and forums is shown for context only — it never changes the score. Full methodology