tirewheelguide
Head-to-head Updated

Bridgestone DriveGuard vs Bridgestone Alenza AS Ultra — 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 + 0 road tests and 46 + 13 owner reviews. How we score

Alenza AS Ultra leads, 65–62 Narrow edge

Check price on Amazon · Alenza AS Ultra or DriveGuard 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. 64

    Dry

    Alenza AS Ultra +2
    66
    Why this score
    SourceDriveGuardAlenza AS Ultra
    Professional tests (TWG score)≈ 66 (est.)≈ 67 (est.)
    Reviews found online6365

    DriveGuard: 60% × 65.7 (est.) + 40% × 62.5 = 64

    Alenza AS Ultra: 60% × 67 (est.) + 40% × 65.4 = 66

    No road tests of dry for DriveGuard. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.42).

    No road tests of dry for Alenza AS Ultra. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.42).

  2. 70

    Wet

    Level
    70
    Why this score
    SourceDriveGuardAlenza AS Ultra
    Professional tests (TWG score)≈ 70 (est.)≈ 70 (est.)
    Reviews found online6969

    DriveGuard: 60% × 69.9 (est.) + 40% × 69.2 = 70

    Alenza AS Ultra: 60% × 69.9 (est.) + 40% × 69.2 = 70

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

  3. 59

    Snow

    Alenza AS Ultra +11
    70
    Why this score
    SourceDriveGuardAlenza AS Ultra
    Professional tests (TWG score)≈ 64 (est.)≈ 70 (est.)
    Reviews found online5269

    DriveGuard: 60% × 63.6 (est.) + 40% × 51.6 = 59

    Alenza AS Ultra: 60% × 70.3 (est.) + 40% × 69.4 = 70

    No road tests of snow for DriveGuard. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.37).

    No road tests of snow for Alenza AS Ultra. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.37).

  4. 59

    Comfort

    Alenza AS Ultra +6
    65
    Why this score
    SourceDriveGuardAlenza AS Ultra
    Professional tests (TWG score)≈ 67 (est.)≈ 68 (est.)
    Reviews found online5563

    DriveGuard: 40% × 66.5 (est.) + 60% × 54.7 = 59

    Alenza AS Ultra: 40% × 68 (est.) + 60% × 62.9 = 65

    No road tests of comfort for DriveGuard or Alenza AS Ultra. The test half is the tested tires’ average (69): owners’ comfort ratings barely follow the road tests.

  5. 65

    Noise

    DriveGuard +2
    63
    Why this score
    SourceDriveGuardAlenza AS Ultra
    Professional tests (TWG score)≈ 67 (est.)≈ 67 (est.)
    Reviews found online6356

    DriveGuard: 60% × 66.6 (est.) + 40% × 62.6 = 65

    Alenza AS Ultra: 60% × 66.6 (est.) + 40% × 56.4 = 63

    No road tests of noise for DriveGuard or Alenza AS Ultra. The test half is the tested tires’ average (67): owners’ noise ratings barely follow the road tests.

  6. 47

    Treadwear

    Alenza AS Ultra +7
    54
    Why this score
    SourceDriveGuardAlenza AS Ultra
    Professional tests (TWG score)≈ 55 (est.)≈ 59 (est.)
    Reviews found online3546

    DriveGuard: 60% × 55.2 (est.) + 40% × 35 = 47

    Alenza AS Ultra: 60% × 59.1 (est.) + 40% × 46.2 = 54

    No road tests of treadwear for DriveGuard. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.35).

    No road tests of treadwear for Alenza AS Ultra. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.35).

  7. 61

    Handling (owners)

    Alenza AS Ultra +2
    63
    Why this score
    SourceDriveGuardAlenza AS Ultra
    Reviews found online6163
Scores at a glance
CategoryBridgestone DriveGuardBridgestone Alenza AS Ultra
Relative Score 62 65
Dry 64 66
Wet 70 70
Snow 59 70
Comfort 59 65
Noise 65 63
Treadwear 47 54
Handling (owners) 61 63

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

DriveGuard

± 7

Alenza AS Ultra

Pros, cons & observations

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

Tire A DriveGuard

Pros

  • Improved ride comfort and noise reduction compared to standard or OEM run-flat tires
  • Strong dry and wet grip with confident handling
  • Run-flat safety technology providing peace of mind against sudden punctures

Cons

  • Extremely fast tread wear, with many users reporting bald tires or legal-limit wear within 8,000 to 13,000 miles
  • Poor winter traction, performing poorly on ice and severe snow
  • Developing loud road noise, hums, or low-frequency harmonics over time as they wear
All owner themes in the DriveGuard review

Tire B Alenza AS Ultra

Pros

  • Strong traction on both wet and dry road surfaces
  • Improved ride comfort and handling compared to some factory-installed alternatives
  • Capable performance in varied weather conditions for some users

Cons

  • Reports of premature tread wear and short service life
  • Noticeable road noise compared to other premium tires
  • Inconsistent performance in severe winter conditions, particularly on ice and deep snow
All owner themes in the Alenza AS Ultra review

Specs side by side

Attribute A · Bridgestone DriveGuard B · Bridgestone Alenza AS Ultra
CategoryAll-SeasonAll Season
Vehicle typePassenger Car / CrossoverSUV and 4x4
Sizes available1446
Rim diameters15″ – 18″16″ – 22″
Tread depth9/32″10/32″
UTQG640 A A800 A A
Treadwear warranty—80,000 mi
SidewallBlackwallBlackwall
Max pressure51 psi44 psi
Sizes in common00

Which one should you actually buy?

Bridgestone DriveGuard

Bridgestone Alenza AS Ultra

Narrow edge: Bridgestone Alenza AS Ultra — better snow, treadwear and comfort. Where the Bridgestone DriveGuard is ahead, it is by less than 3 points. Bridgestone Alenza AS Ultra rests on little evidence so far (0 tests, 13 reviews), so read this result as provisional.

Pick tire B You drive through snowy winters

Bridgestone Alenza AS Ultra scores 70 vs 59 on snow.

Pick tire B You want the longest tread life

Bridgestone Alenza AS Ultra scores 54 vs 47 on treadwear.

Pick tire B You want the most comfortable ride

Bridgestone Alenza AS Ultra scores 65 vs 59 on comfort.

Tire A · Bridgestone DriveGuard
Check price on Amazon
Tire B · Bridgestone Alenza AS Ultra
Check price on Amazon

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

DriveGuard or Alenza AS Ultra?

Which is better in the wet, DriveGuard or Alenza AS Ultra?

Neither, by our numbers: 70 vs 70 on the wet score, within 3 points.

Which grips better on dry roads, DriveGuard or Alenza AS Ultra?

Neither, by our numbers: 64 vs 66 on the dry score, within 3 points.

Which is better in snow, DriveGuard or Alenza AS Ultra?

Bridgestone Alenza AS Ultra, 70 vs 59 on our snow score.

Which is quieter, DriveGuard or Alenza AS Ultra?

Neither, by our numbers: 65 vs 63 on the noise score, within 3 points.

Which is more comfortable, DriveGuard or Alenza AS Ultra?

Bridgestone Alenza AS Ultra, 65 vs 59 on our comfort score.

Which lasts longer, DriveGuard or Alenza AS Ultra?

Bridgestone Alenza AS Ultra, 54 vs 47 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