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Sumitomo HTR Enhance LX looks discontinued: no new owner reviews or road tests in five years and no current EU tyre label.

Head-to-head Updated

Sumitomo HTR Enhance LX vs Toyo Celsius — 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 + 6 road tests and 9 + 152 owner reviews. How we score

HTR Enhance LX is ahead, 71–63

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Sumitomo HTR Enhance LX
Tire ASumitomo

HTR Enhance LX

All-Season tire

± 8Provisional

Tests – · none yet Owners 73 · 9 reviews

Toyo Celsius
Tire BToyo

Celsius

All Season

± 6

Tests 56 · 6 tests Owners 70 · 152 reviews

Best test result: #1 of 9 in 2022 ACE/ARBÖ/GTÜ All-Season Tire Test R17 (dry handling)

Category by category

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

  1. 73

    Dry

    HTR Enhance LX +17
    56
    Why this score
    SourceHTR Enhance LXCelsius
    Professional tests (TWG score) · – / 6 tests≈ 71 (est.)48
    Reviews found online7669

    HTR Enhance LX: 60% × 71.5 (est.) + 40% × 76.4 = 73

    Celsius: 60% × 47.6 + 40% × 68.5 = 56

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

  2. 75

    Wet

    HTR Enhance LX +14
    61
    Why this score
    SourceHTR Enhance LXCelsius
    Professional tests (TWG score) · – / 6 tests≈ 74 (est.)55
    Reviews found online7771

    HTR Enhance LX: 60% × 74.3 (est.) + 40% × 77.2 = 75

    Celsius: 60% × 55 + 40% × 71.1 = 61

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

  3. 63

    Snow

    Celsius +11
    74
    Why this score
    SourceHTR Enhance LXCelsius
    Professional tests (TWG score) · – / 4 tests≈ 67 (est.)76
    Reviews found online5872

    HTR Enhance LX: 60% × 66.6 (est.) + 40% × 58.1 = 63

    Celsius: 60% × 76 + 40% × 72.2 = 74

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

  4. 68

    Comfort

    Celsius +1
    69
    Why this score
    SourceHTR Enhance LXCelsius
    Professional tests (TWG score)≈ 69 (est.)≈ 69 (est.)
    Reviews found online6869

    HTR Enhance LX: 40% × 68.6 (est.) + 60% × 68.2 = 68

    Celsius: 40% × 68.7 (est.) + 60% × 68.6 = 69

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

  5. 72

    Noise

    HTR Enhance LX +16
    56
    Why this score
    SourceHTR Enhance LXCelsius
    Professional tests (TWG score) · – / 4 tests≈ 66 (est.)48
    Reviews found online81≈ 66 (est.)

    HTR Enhance LX: 60% × 66.3 (est.) + 40% × 80.6 = 72

    Celsius: 60% × 48.3 + 40% × 66.3 (est.) = 56

    No road tests of noise for HTR Enhance LX. The test half is the tested tires’ average (66): owners’ noise ratings barely follow the road tests.

    No owner ratings of noise for Celsius. The owner half is the owners’ average (66): owners’ noise ratings barely follow the road tests, so the tests say nothing about how owners would rate it.

  6. 70

    Treadwear

    HTR Enhance LX +1
    69
    Why this score
    SourceHTR Enhance LXCelsius
    Professional tests (TWG score)≈ 68 (est.)≈ 68 (est.)
    Reviews found online7170

    HTR Enhance LX: 60% × 68.3 (est.) + 40% × 71.4 = 70

    Celsius: 60% × 67.7 (est.) + 40% × 69.9 = 69

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

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

  7. –

    Handling (owners)

    No comparison
    63
    Why this score
    SourceHTR Enhance LXCelsius
    Reviews found online–63
  8. –

    Efficiency

    No comparison
    27
    Why this score
    SourceHTR Enhance LXCelsius
    Professional tests (TWG score) · – / 4 tests–27
Scores at a glance
CategorySumitomo HTR Enhance LXToyo Celsius
Relative Score 71 63
Dry 73 56
Wet 75 61
Snow 63 74
Comfort 68 69
Noise 72 56
Treadwear 70 69
Handling (owners) – 63
Efficiency – 27

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

Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.

Not important
NotLessNeutralImportantMost

Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.

Recomputed
Headline score
± 8

HTR Enhance LX

± 6

Celsius

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 HTR Enhance LX

Pros

  • High-quality tread and durable sidewall construction
  • Excellent performance and comfort for touring
  • Strong overall value and repurchase intent

Cons

  • Initial balancing difficulties resulting in high-speed vibrations
  • Perceived variations in build quality across different size options
All owner themes in the HTR Enhance LX review

Tire B Celsius

Pros

  • Exceptional snow and winter weather performance
  • Quiet and smooth ride quality
  • High value for money compared to premium brands

Cons

  • Some complaints regarding wet traction and hydroplaning resistance
  • Softer sidewalls can lead to a bouncy feel or slower steering response
  • Faster tread wear reported by certain users compared to competitors like Michelin
All owner themes in the Celsius review

Specs side by side

Attribute A · Sumitomo HTR Enhance LX B · Toyo Celsius
CategoryAll-Season tireAll Season
Vehicle typePassenger Car / CrossoverPassenger Car / Crossover
Sizes available—52
Rim diameters—14″ – 20″
Tread depth11/32″10 - 11/32″
UTQG600 A A440 A A
Treadwear warranty70,000 mi60,000 mi
SidewallBlackwallBlack Side Wall
Max pressure51 psi50 - 51 psi

Which one should you actually buy?

Sumitomo HTR Enhance LX

Toyo Celsius

Winner: Sumitomo HTR Enhance LX — better dry, noise and wet. Pick the Toyo Celsius if snow matters most to you. Sumitomo HTR Enhance LX rests on little evidence so far (0 tests, 9 reviews), so read this result as provisional.

Pick tire A You want the most grip on dry roads

Sumitomo HTR Enhance LX scores 73 vs 56 on dry.

Pick tire A You want a quieter cabin

Sumitomo HTR Enhance LX scores 72 vs 56 on noise.

Pick tire A Your priority is wet-weather safety

Sumitomo HTR Enhance LX scores 75 vs 61 on wet.

Pick tire B You drive through snowy winters

Toyo Celsius scores 74 vs 63 on snow.

Tire A · Sumitomo HTR Enhance LX
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Tire B · Toyo Celsius
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HTR Enhance LX or Celsius?

Which is better in the wet, HTR Enhance LX or Celsius?

Sumitomo HTR Enhance LX, 75 vs 61 on our wet score.

Which grips better on dry roads, HTR Enhance LX or Celsius?

Sumitomo HTR Enhance LX, 73 vs 56 on our dry score.

Which is better in snow, HTR Enhance LX or Celsius?

Toyo Celsius, 74 vs 63 on our snow score.

Which is quieter, HTR Enhance LX or Celsius?

Sumitomo HTR Enhance LX, 72 vs 56 on our noise score.

Which is more comfortable, HTR Enhance LX or Celsius?

Neither, by our numbers: 68 vs 69 on the comfort score, within 3 points.

Which lasts longer, HTR Enhance LX or Celsius?

Neither, by our numbers: 70 vs 69 on the treadwear score, within 3 points.

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