tirewheelguide

Toyo Proxes RA1 looks discontinued: no new owner reviews or road tests in five years and no current EU tyre label.

Head-to-head Updated

Bridgestone Turanza ER300 vs Toyo Proxes RA1 — 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 199 + 11 owner reviews. How we score

Too close to call: Turanza ER300 67, Proxes RA1 66.

Check price on Amazon · Turanza ER300 Check price on Amazon · Proxes RA1
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.

Toyo Proxes RA1
Tire BToyo

Proxes RA1

Summer Trackday and Competition tires

Provisional

Tests – · none yet Owners 65 · 11 reviews

Category by category

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

  1. 67

    Dry

    Proxes RA1 +8
    75
    Why this score
    SourceTuranza ER300Proxes RA1
    Professional tests (TWG score)≈ 68 (est.)≈ 72 (est.)
    Reviews found online6779

    Turanza ER300: 60% × 67.5 (est.) + 40% × 67.2 = 67

    Proxes RA1: 60% × 72.1 (est.) + 40% × 78.5 = 75

    No road tests of dry for Turanza ER300. 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 Proxes RA1. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.40).

  2. 69

    Wet

    Turanza ER300 +5
    64
    Why this score
    SourceTuranza ER300Proxes RA1
    Professional tests (TWG score)≈ 69 (est.)≈ 65 (est.)
    Reviews found online6961

    Turanza ER300: 60% × 69.2 (est.) + 40% × 68.7 = 69

    Proxes RA1: 60% × 65 (est.) + 40% × 61.3 = 64

    No road tests of wet for Turanza ER300. 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 Proxes RA1. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.56).

  3. 65

    Snow

    Turanza ER300 +16
    49
    Why this score
    SourceTuranza ER300Proxes RA1
    Professional tests (TWG score)≈ 67 (est.)≈ 58 (est.)
    Reviews found online6234

    Turanza ER300: 60% × 67.4 (est.) + 40% × 62.3 = 65

    Proxes RA1: 60% × 58.2 (est.) + 40% × 34.4 = 49

    No road tests of snow for Turanza ER300. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.33).

    No road tests of snow for Proxes RA1. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.33).

  4. 66

    Comfort

    Proxes RA1 +1
    67
    Why this score
    SourceTuranza ER300Proxes RA1
    Professional tests (TWG score)≈ 68 (est.)≈ 69 (est.)
    Reviews found online6366

    Turanza ER300: 60% × 68 (est.) + 40% × 62.6 = 66

    Proxes RA1: 60% × 68.5 (est.) + 40% × 65.7 = 67

    No road tests of comfort for Turanza ER300 or Proxes RA1. The test half is the tested tires’ average (69): owners’ comfort ratings barely follow the road tests.

  5. 69

    Noise

    Turanza ER300 +1
    68
    Why this score
    SourceTuranza ER300Proxes RA1
    Professional tests (TWG score)≈ 67 (est.)≈ 67 (est.)
    Reviews found online7170

    Turanza ER300: 60% × 67.3 (est.) + 40% × 70.8 = 69

    Proxes RA1: 60% × 67.3 (est.) + 40% × 70.1 = 68

    No road tests of noise for Turanza ER300 or Proxes RA1. The test half is the tested tires’ average (67): owners’ noise ratings barely follow the road tests.

  6. 66

    Treadwear

    Proxes RA1 +1
    67
    Why this score
    SourceTuranza ER300Proxes RA1
    Professional tests (TWG score)≈ 66 (est.)≈ 66 (est.)
    Reviews found online6768

    Turanza ER300: 60% × 66 (est.) + 40% × 67 = 66

    Proxes RA1: 60% × 66.2 (est.) + 40% × 67.6 = 67

    No road tests of treadwear for Turanza ER300. 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 Proxes RA1. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.31).

  7. 65

    Handling (owners)

    Proxes RA1 +8
    73
    Why this score
    SourceTuranza ER300Proxes RA1
    Reviews found online6573
Scores at a glance
CategoryBridgestone Turanza ER300Toyo Proxes RA1
Relative Score 67 66
Dry 67 75
Wet 69 64
Snow 65 49
Comfort 66 67
Noise 69 68
Treadwear 66 67
Handling (owners) 65 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 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

Turanza ER300

Proxes RA1

Pros, cons & observations

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

Tire A Turanza ER300

Pros

  • Exceptional tread life and longevity
  • Reliable dry and wet grip when relatively new
  • Stable, predictable highway handling and straight-line tracking

Cons

  • High road noise and noticeable tire roar, especially on coarser asphalt
  • Firm, sometimes harsh ride quality with stiff sidewalls
  • Deterioration of wet grip and increased ABS/TCS activation as the tread wears down
All owner themes in the Turanza ER300 review

Tire B Proxes RA1

Pros

  • Exceptional dry grip that remains consistent even as the tread wears down.
  • Superior tire life compared to many other dedicated track-focused compounds.
  • Predictable breakaway characteristics that provide driver confidence at the limit.

Cons

  • Performance can become 'greasy' if the tire is overdriven or overheated during long sessions.
  • Requires proper heat cycling and break-in procedures to achieve optimal performance.
  • Sensitive to alignment settings, which can lead to accelerated or uneven wear if not managed.
All owner themes in the Proxes RA1 review

Specs side by side

Attribute A · Bridgestone Turanza ER300 B · Toyo Proxes RA1
CategorySummerSummer Trackday and Competition tires
Vehicle typePassenger Car / CrossoverPassenger Car / Crossover
Sizes available237
Rim diameters14″ – 19″15″ – 18″
Tread depth9/32″8/32″
UTQG320 A A100 AA A
SidewallBlackwallBlack Side Wall
Max pressure—44 psi
Sizes in common00

Which one should you actually buy?

Bridgestone Turanza ER300

Toyo Proxes RA1

Too close to call: Bridgestone Turanza ER300 and Toyo Proxes RA1 are within 2 points overall. Bridgestone Turanza ER300 is stronger on snow and wet. Toyo Proxes RA1 is stronger on dry and handling. Toyo Proxes RA1 rests on little evidence so far (0 tests, 11 reviews), so read this result as provisional.

Pick tire A You drive through snowy winters

Bridgestone Turanza ER300 scores 65 vs 49 on snow.

Pick tire B You want the most grip on dry roads

Toyo Proxes RA1 scores 75 vs 67 on dry.

Pick tire B You enjoy sharp, responsive handling

Toyo Proxes RA1 scores 73 vs 65 on handling.

Pick tire A Your priority is wet-weather safety

Bridgestone Turanza ER300 scores 69 vs 64 on wet.

Tire A · Bridgestone Turanza ER300
Check price on Amazon
Tire B · Toyo Proxes RA1
Check price on Amazon

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

Turanza ER300 or Proxes RA1?

Which is better in the wet, Turanza ER300 or Proxes RA1?

Bridgestone Turanza ER300, 69 vs 64 on our wet score.

Which grips better on dry roads, Turanza ER300 or Proxes RA1?

Toyo Proxes RA1, 75 vs 67 on our dry score.

Which is better in snow, Turanza ER300 or Proxes RA1?

Bridgestone Turanza ER300, 65 vs 49 on our snow score.

Which is quieter, Turanza ER300 or Proxes RA1?

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

Which is more comfortable, Turanza ER300 or Proxes RA1?

Neither, by our numbers: 66 vs 67 on the comfort score, within 3 points.

Which lasts longer, Turanza ER300 or Proxes RA1?

Neither, by our numbers: 66 vs 67 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