tirewheelguide
Head-to-head Updated

General Grabber Arctic LT vs Cooper Discoverer MS — Compared

Relative Score (0–100): 60% professional tests, 40% owner reviews.

Discoverer MS leads, 73–71 Narrow edge

Check price on Amazon · Discoverer MS or Grabber Arctic LT on Amazon
Add your size for an exact match
/R

Both Amazon links then search this exact size.

TireWheelGuide may earn a commission from purchases made through these links.

Category by category

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

  1. 71

    Dry

    Discoverer MS +2
    73
    Why this score
    SourceGrabber Arctic LTDiscoverer MS
    Reviews found online7276
  2. 75

    Wet

    Discoverer MS +1
    76
    Why this score
    SourceGrabber Arctic LTDiscoverer MS
    Reviews found online7779
  3. 71

    Snow

    Discoverer MS +6
    77
    Why this score
    SourceGrabber Arctic LTDiscoverer MS
    Reviews found online7282
  4. 69

    Comfort

    Grabber Arctic LT +1
    68
    Why this score
    SourceGrabber Arctic LTDiscoverer MS
    Reviews found online7067
  5. 66

    Noise

    No comparison
    –
    Why this score
    SourceGrabber Arctic LTDiscoverer MS
    Reviews found online66–
  6. 67

    Treadwear

    Discoverer MS +1
    68
    Why this score
    SourceGrabber Arctic LTDiscoverer MS
    Reviews found online6969
  7. 71

    Handling

    Discoverer MS +2
    73
    Why this score
    SourceGrabber Arctic LTDiscoverer MS
    Reviews found online7173
Scores at a glance
CategoryGeneral Grabber Arctic LTCooper Discoverer MS
Relative Score 71 73
Dry 71 73
Wet 75 76
Snow 71 77
Comfort 69 68
Noise 66 –
Treadwear 67 68
Handling 71 73

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

Weight the categories that matter to you

Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.

Important
NoneLessNeutralMoreMost
Important
NoneLessNeutralMoreMost
Important
NoneLessNeutralMoreMost
Less important
NoneLessNeutralMoreMost
Less important
NoneLessNeutralMoreMost

Neither tire has a score here yet, so this weight changes nothing.

Important
NoneLessNeutralMoreMost
Neutral
NoneLessNeutralMoreMost
Recomputed
Headline score

Grabber Arctic LT

Discoverer MS

Only categories both tires have data for count toward the headline score.

Pros, cons & observations

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

Tire A Grabber Arctic LT

Not enough owner reviews yet to extract themes.

Tire B Discoverer MS

Pros

  • Exceptional traction in severe winter conditions including deep snow, ice, and slush
  • Strong off-road capabilities and mud performance unusual for a dedicated winter tire
  • Impressive tread life and overall longevity compared to competitors

Cons

  • Can develop significant road noise as the tires age
  • Potential for rough ride quality and vibrations if alignment or wear issues occur
  • Not quite equal to dedicated studded tires in extreme hardcore ice conditions without studs
All owner themes in the Discoverer MS review

Specs side by side

Attribute A · General Grabber Arctic LT B · Cooper Discoverer MS
Category—Winter
Vehicle typeSUV and 4x4—
Sizes available6—
Rim diameters16″ – 18″—
Tread depth16/32″—
SidewallBlackwall—
Max pressure80 psi—

Which one should you actually buy?

General Grabber Arctic LT

Cooper Discoverer MS

Winner: Cooper Discoverer MS — better snow. It leads or ties in every category we score.

Pick tire B You drive through snowy winters

Cooper Discoverer MS scores 77 vs 71 on snow.

Tire A · General Grabber Arctic LT
Check price on Amazon
Tire B · Cooper Discoverer MS
Check price on Amazon

TireWheelGuide may earn a commission from purchases made through these links.

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.

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

73

Narrow edge

Discoverer MS

Amazon