Tests – · none yet Owners 68 · 13 reviews
Head-to-head
Updated
Bridgestone Alenza AS Ultra vs Falken FK452 — Compared
Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews. Based on 0 + 0 road tests and 13 + 211 owner reviews. How we score
Alenza AS Ultra leads, 69–65 Narrow edge
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Category by category
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
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70
Dry
Alenza AS Ultra +466Why this score
Source Alenza AS Ultra FK452 Professional tests (TWG score) ≈ 69 (est.) ≈ 66 (est.) Reviews found online 72 65 Alenza AS Ultra: 60% × 69.2 (est.) + 40% × 71.5 = 70
FK452: 60% × 66.5 (est.) + 40% × 64.6 = 66
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 0.40).
No road tests of dry for FK452. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.40).
-
72
Wet
Alenza AS Ultra +567Why this score
Source Alenza AS Ultra FK452 Professional tests (TWG score) ≈ 71 (est.) ≈ 68 (est.) Reviews found online 73 66 Alenza AS Ultra: 60% × 71.4 (est.) + 40% × 72.7 = 72
FK452: 60% × 67.6 (est.) + 40% × 65.9 = 67
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 0.56).
No road tests of wet for FK452. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.56).
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70
Snow
No comparison–Why this score
Source Alenza AS Ultra FK452 Professional tests (TWG score) ≈ 70 (est.) – Reviews found online 71 – Alenza AS Ultra: 60% × 70.1 (est.) + 40% × 70.6 = 70
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 0.33).
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69
Comfort
Alenza AS Ultra +366Why this score
Source Alenza AS Ultra FK452 Professional tests (TWG score) ≈ 69 (est.) ≈ 68 (est.) Reviews found online 68 62 Alenza AS Ultra: 60% × 69 (est.) + 40% × 68.3 = 69
FK452: 60% × 67.9 (est.) + 40% × 62.1 = 66
No road tests of comfort for Alenza AS Ultra or FK452. The test half is the tested tires’ average (69): owners’ comfort ratings barely follow the road tests.
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65
Noise
No comparison–Why this score
Source Alenza AS Ultra FK452 Professional tests (TWG score) ≈ 67 (est.) – Reviews found online 61 – Alenza AS Ultra: 60% × 67.3 (est.) + 40% × 61.2 = 65
No road tests of noise for Alenza AS Ultra. The test half is the tested tires’ average (67): owners’ noise ratings barely follow the road tests.
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62
Treadwear
Alenza AS Ultra +161Why this score
Source Alenza AS Ultra FK452 Professional tests (TWG score) ≈ 63 (est.) ≈ 63 (est.) Reviews found online 59 58 Alenza AS Ultra: 60% × 63.5 (est.) + 40% × 58.7 = 62
FK452: 60% × 63.3 (est.) + 40% × 58.2 = 61
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 0.31).
No road tests of treadwear for FK452. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.31).
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69
Handling (owners)
Alenza AS Ultra +564Why this score
Source Alenza AS Ultra FK452 Reviews found online 69 64
Scores at a glance
| Category | Bridgestone Alenza AS Ultra | Falken FK452 |
|---|---|---|
| Relative Score | 69 | 65 |
| Dry | 70 | 66 |
| Wet | 72 | 67 |
| Snow | 70 | – |
| Comfort | 69 | 66 |
| Noise | 65 | – |
| Treadwear | 62 | 61 |
| Handling (owners) | 69 | 64 |
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
Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.
Less important
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.
Neutral
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Recomputed
Headline score
69
/ 100
Alenza AS Ultra
65
/ 100
FK452
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 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
Tire B FK452
Pros
- Exceptional value for money compared to premium competitors
- Strong dry and wet traction for spirited driving
- Predictable and progressive breakaway characteristics
Cons
- High levels of road noise, often described as a 'hum' or 'bearing-like' sound
- Rapid and sometimes uneven tread wear
- Soft sidewalls leading to vague steering feel or 'gelatinous' handling
What real owners are saying
From Reddit, forums and review threads. Not part of our score
Tire A
Bridgestone Alenza AS Ultra
We haven't collected enough community discussion about this tire yet.
Tire B
Positive
Falken FK452
Community opinion on the Falken FK452 is generally favorable, with many drivers praising its balance of solid wet and dry grip, low road noise, and accessible pricing. While regarded as a dependable daily performance tire that also stretches well, notable drawbacks cited by owners include fast tread wear on sports cars, tendency to flat-spot when sitting, and degradation in grip and road noise as the tread gets low.
g42.bimmerpost.com
“for the price, theyre pretty decent. theyre not the stickiest tires available, but theyre alright and imo, theyre pretty predictable when nearing their limits.”
rx8club.com
“Dude, I had pretty much the same choice as you... same rims, same vendors, same car Many reviews mentioned that T1Rs have softer sidewall than FK452, thus preferring the steering feel of Falken when you push it in the curves. As for daily driver it probably doesn't make a difference. Also, are you planning to have a different set for the winter? If not, you'll need all seasons. 1010tires . com have plenty of real-world user reviews on those tires. Also, search Google, there were some interesting reviews on BMW & Audi forums.”
avforums.com
·2012-03-02
“I also have Falken FK452 on my MKII Focus Diesel, in 225/40/18. They're really quite excellent tyres in both wet and dry to be quite honest. Seeing as the Focus isn't really that "sporting", I was quite happy to get 29'000 miles out of the set I last had at the front, which was a lot more than the 14'000 or so I got out of the Goodyear Eagle F1 (but the F1 was sticky as anything!). Only issue: they're not as cheap as they once were. People are getting wise to their performance for the rather sensible price, and I've seen them creep up around £25 a corner for me in the last two years.”
Top themes
#wet and dry grip#value and price#treadwear and longevity#tire stretch fitment#road noise and NVH#sidewall stiffness
Based on 47 community posts
Specs side by side
| Attribute | A · Bridgestone Alenza AS Ultra | B · Falken FK452 |
|---|---|---|
| Category | All Season | Summer |
| Vehicle type | SUV and 4x4 | Passenger Car / Crossover |
| Sizes available | 46 | — |
| Rim diameters | 16″ – 22″ | — |
| Tread depth | 10/32″ | — |
| UTQG | 800 A A | — |
| Treadwear warranty | 80,000 mi | — |
| Sidewall | Blackwall | — |
| Max pressure | 44 psi | — |
Which one should you actually buy?
69
/ 100
Bridgestone Alenza AS Ultra
65
/ 100
Falken FK452
Narrow edge: Bridgestone Alenza AS Ultra — better wet, dry and comfort. It leads or ties in every category we score. Bridgestone Alenza AS Ultra rests on little evidence so far (0 tests, 13 reviews), so read this result as provisional.
Pick tire A
Your priority is wet-weather safety
Bridgestone Alenza AS Ultra scores 72 vs 67 on wet.
Pick tire A
You want the most grip on dry roads
Bridgestone Alenza AS Ultra scores 70 vs 66 on dry.
Pick tire A
You want the most comfortable ride
Bridgestone Alenza AS Ultra scores 69 vs 66 on comfort.
Tire A · Bridgestone Alenza AS Ultra
Tire B · Falken FK452
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Alenza AS Ultra or FK452?
Which is better in the wet, Alenza AS Ultra or FK452?
Bridgestone Alenza AS Ultra, 72 vs 67 on our wet score.
Which grips better on dry roads, Alenza AS Ultra or FK452?
Bridgestone Alenza AS Ultra, 70 vs 66 on our dry score.
Which is more comfortable, Alenza AS Ultra or FK452?
Bridgestone Alenza AS Ultra, 69 vs 66 on our comfort score.
Which lasts longer, Alenza AS Ultra or FK452?
Neither, by our numbers: 62 vs 61 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