What people think:
Snow/Ice Performance Price/Quality Dry Performance Comfort Handling Wet Performance Treadwear
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Popularity of the model 20:
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Tire Rank :: Radar Dimax R8

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Radar Dimax R8



Description

The Radar Dimax R8 is a summer ultra-high-performance (UHP) tire designed for sports cars, sedans, and performance SUVs. Its asymmetric tread pattern divides into dedicated zones: solid outer ribs and dense shoulder blocks enhance dry-cornering stability, while inner circumferential grooves and lateral sipes prioritize wet-road grip.

Features & Benefits

  • Asymmetric Tread Design: Reinforced outer ribs maximize dry-road responsiveness, while inner grooves channel water to resist hydroplaning.
  • EV-Specific Compound (EVC): Balances low rolling resistance for extended EV range with wet-traction performance.
  • Run-Flat Construction: Reinforced sidewalls enable limited mobility after a puncture (available in specific sizes).
  • High-Density Siping: Micro-grooves on inner tread blocks improve braking and cornering grip on damp surfaces.
  • Staggered Shoulder Blocks: Reduce road noise by disrupting harmonic frequencies at highway speeds.

Year Released

The Dimax R8 debuted in 2012 and has since been succeeded by the updated R8+ model.

Regions Availability

This tire is marketed in North America (USA, Canada), Europe, and East Asia.

Vehicle Compatibility / Popular Vehicle Fitments

  • BMW M3 / M4
  • Audi S4 / RS5
  • Mercedes-AMG C 63 / CLA 45
  • Tesla Model S / Model 3 Performance
  • Ford Mustang GT / Focus ST
  • Volkswagen Golf R / Arteon
  • Hyundai Genesis Coupe / Kia Stinger

Note: Always consult with a tire specialist or the vehicle’s manufacturer to ensure correct tire fitment.

Final Thoughts

The Dimax R8 suits drivers seeking aggressive summer performance with niche EV compatibility. Its asymmetric tread delivers confident dry handling and competent wet traction, though it lacks the latest advancements in compound technology seen in newer rivals like the Michelin Pilot Sport 4S. The run-flat variants and EV-focused sizes cater to specific use cases, such as high-performance EVs or drivers prioritizing puncture resilience. A viable option for budget-conscious enthusiasts or EV owners needing summer-specific traction, but consider newer models like the R8+ for updated materials and refinement.


Detailed Information

Type and Size
Tire Model
Radar / Dimax R8
Car Type
Season
Summer
Rim Diameter
17 / 18 / 19 / 20 "
Width
195 / 205 / 215 / 225 / 235 / 245 / 255 / 275 mm
Aspect Ratio
30 / 35 / 40 / 45 / 50 / 55 / 60 %
Construction
Radial
Special Features
Runflat
No
Mud and Snow
No
Extra Load
Optional
Speed and Load
Speed Index
L (max 75 mph) ... Y (max 186 mph)
Load Index (max load for a tire)
 

Radar / Dimax R8 Sizes & Specifications

Rim Model Size Index Features Price
R17 195/40 R17 81W XL 195/40 R17 81W XL
R17 195/45 R17 81W 195/45 R17 81W
R17 205/40 R17 84W XL 205/40 R17 84W XL
R17 205/45 R17 84W 205/45 R17 84W
R17 205/45 R17 88W XL 205/45 R17 88W XL
R17 205/50 R17 89W 205/50 R17 89W
R17 205/50 R17 93W XL 205/50 R17 93W XL
R17 205/50 R17 93Y XL 205/50 R17 93Y XL
R17 215/45 R17 91W XL 215/45 R17 91W XL
R17 215/50 R17 95L XL 215/50 R17 95L XL
R17 215/50 R17 95Y XL 215/50 R17 95Y XL
R17 215/55 R17 98W XL 215/55 R17 98W XL
R17 225/45 R17 91W 225/45 R17 91W
R17 225/45 R17 94W XL 225/45 R17 94W XL
R17 225/50 R17 94V 225/50 R17 94V
R17 225/50 R17 98W XL 225/50 R17 98W XL
R17 225/60 R17 99W 225/60 R17 99W
R17 235/45 R17 97W XL 235/45 R17 97W XL
R17 235/45 R17 97Y XL 235/45 R17 97Y XL
R17 235/55 R17 99V 235/55 R17 99V
R17 245/40 R17 95W XL 245/40 R17 95W XL
R17 245/40 R17 95Y XL 245/40 R17 95Y XL
R17 245/45 R17 99W XL 245/45 R17 99W XL
R18 215/35 R18 84W XL 215/35 R18 84W XL
R18 225/40 R18 88W 225/40 R18 88W
R18 225/40 R18 92W XL 225/40 R18 92W XL
R18 235/40 R18 95W XL 235/40 R18 95W XL
R18 245/40 R18 93Y 245/40 R18 93Y
R18 245/40 R18 97W XL 245/40 R18 97W XL
R18 245/45 R18 96Y 245/45 R18 96Y
R18 245/45 R18 100W XL 245/45 R18 100W XL
R19 225/35 R19 88W XL 225/35 R19 88W XL
R19 235/35 R19 91W XL 235/35 R19 91W XL
R19 245/35 R19 93W XL 245/35 R19 93W XL
R19 245/40 R19 94Y 245/40 R19 94Y
R19 245/40 R19 98L XL 245/40 R19 98L XL
R20 225/30 R20 85L XL 225/30 R20 85L XL
R20 225/35 R20 90W XL 225/35 R20 90W XL
R20 225/35 R20 90Y XL 225/35 R20 90Y XL
R20 245/30 R20 97L XL 245/30 R20 97L XL
R20 245/30 R20 97Y XL 245/30 R20 97Y XL
R20 245/35 R20 95W XL 245/35 R20 95W XL
R20 255/35 R20 97W XL 255/35 R20 97W XL
R20 255/35 R20 97Y XL 255/35 R20 97Y XL
R20 275/30 R20 97W 275/30 R20 97W

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