Summer tire Updated October 2026

Radar Dimax R8 plus review

Relative score 60% tests + 40% owners

Owners 58 · 1,973 reviews analysed Road tests 56 · 3 tests

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The Radar Dimax R8 plus is widely praised as an exceptional value alternative to premium brand tires, offering comparable everyday performance, low noise, and solid wet and dry grip at a fraction of the cost. While the vast majority of daily drivers and commuters are thoroughly impressed by their comfort and affordability, a subset of performance-oriented drivers note issues with high-speed stability, soft sidewalls, and accelerated tread wear.

Radar Dimax R8 plus

Two scoring systems, side by side

Owner scores come from reviews found online; road-test scores come from instrumented tests. Where they disagree, it is usually a discipline owners rarely push to the limit.

How scores work
Relative score
0–100. Blends road tests (60%) and owner reviews (40%) category by category, the same way on every TireWheelGuide page. With only one of the two, the missing half is estimated from it, so the score stays closer to average. It needs at least one road test or five owner reviews.
Road tests
0–100 per score, from published tests, newer tests counting more. Each result is compared with every other tire in the same test, so a win against a strong field counts for more. The average tested tire gets 70, the best 100; with only one or two tests a tire stays nearer 70. The discipline rows show % of the best tire in that test.
Owner reviews
0–100 from the owner reviews we found online, adjusted for how generously each site rates and scaled like the road tests: the average tested tire gets 70. With only a few reviews a tire stays near the average.

By owner reviews

58/100

From 1,973 owner reviews analysed, scaled like the road tests: the average tested tire gets 70.

Would buy again 60%
Dry
Overall dry
54.7
Corner stability
58.1
Dry traction
61.7
Steering response
56.5
Wet
Overall wet
62.3
Wet traction
62.2
Snow & ice
Overall snow & ice
51
Comfort
Overall comfort
55.9
Noise
Overall noise
64
Treadwear
Overall treadwear
62
Handling
Overall handling
53.9

Own these tires? Write a review →

By road tests

56/100

Scaled across every tested tire: the average gets 70, the best 100.

Dry
39.3
Wet
72.4

Radar Dimax R8 plus specs & sizes

Prices vary by size, so each one links out separately.

Specifications
Tread depth10.1/32″
UTQG320 A A
SidewallBlackwall
SizeRetailer
215/40 R17 Amazon
215/55 R17 Amazon
225/45 R17 Amazon
225/50 R17 Amazon
225/55 R17 Amazon
235/55 R17 Amazon
205/40 R18 Amazon
215/40 R18 Amazon
215/45 R18 Amazon
225/35 R18 Amazon
225/40 R18 Amazon
225/45 R18 Amazon
225/50 R18 Amazon
235/40 R18 Amazon
235/45 R18 Amazon
235/50 R18 Amazon

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What owners like and dislike

Themes extracted from 1,973 owner reviews found online.

The Radar Dimax R8 plus is widely praised as an exceptional value alternative to premium brand tires, offering comparable everyday performance, low noise, and solid wet and dry grip at a fraction of the cost. While the vast majority of daily drivers and commuters are thoroughly impressed by their comfort and affordability, a subset of performance-oriented drivers note issues with high-speed stability, soft sidewalls, and accelerated tread wear.

Pros

  • Significantly lower price point compared to premium OEM brands like Pirelli, Michelin, and Bridgestone
  • Low road noise and smooth, comfortable ride quality
  • Reliable and confident wet-weather traction and braking
  • Attractive styling and aggressive tread design with built-in rim protectors

Cons

  • Floaty, vague, or unstable handling feel at higher highway speeds (>60-80 mph)
  • Softer sidewalls can induce steering wander or make the car feel 'loose' during lane changes
  • Faster or uneven tread wear reported by some users under regular commuting or spirited driving
  • Occasional traction control activation or reduced grip when pushed to performance limits

Worth knowing

  • Owners of heavier SUVs and performance crossovers (such as the Audi SQ5, BMW X5, and RSQ3) frequently noted that these tires provide a remarkably cost-effective alternative for hard-to-find or expensive large-diameter sizes (e.g., 21-inch rims).
  • Drivers replacing stiff factory run-flat tires (commonly on BMW models like the Z4 or 140i) observed a more comfortable, compliant ride over bumps, though some experienced a loss of high-speed precision and stability.
  • Drivers of high-powered sports cars and hot hatches noted that while the tires handle everyday commuting nicely, they can feel unpredictable or lack extreme lateral grip when pushed hard on twisty roads or during aggressive launches.

Reviews from our readers

Drivers who have these tires on their car, in their own words. We check every review before it goes live.

No reviews from our readers yet

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3 published test appearances

Placement within each field. Open a test for the discipline-by-discipline result.

2026 Summer Braking Super tire Test - How do 52 tires Perform in Wet and Dry Braking? · 245/45 R19

31st of 50
Best: Wet Braking · 23rd Weakest: Dry Braking · 38th
DisciplinePlacementField position
Wet Braking23rd of 50
Dry Braking38th of 50

Source: Auto Bild

2025 Summer tire Test Shootout · 225/40 R18

31st of 52
Best: Wet Braking · 22nd Weakest: Dry Braking · 51st
DisciplinePlacementField position
Wet Braking22nd of 52
Dry Braking51st of 52

Source: Auto Bild

2023 Summer tire Market Overview · 225/45 R18

36th of 48
Best: Wet Braking · 33rd Weakest: Dry Braking · 34th
DisciplinePlacementField position
Wet Braking33rd of 48
Dry Braking34th of 48

Source: Auto Bild

Other tires to consider

Ranked by our Relative score, weighed against how many reviews and tests stand behind it.

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