Radar Dimax AS-8 255/55R18
Radar Dimax AS-8 255/55R18 XL 109W Grand Touring All-Season Tire DSC0389
π‘ Is the Radar Dimax AS-8 255/55R18 a Good Tire?
The Radar Dimax AS-8 255/55R18 is an all-season grand touring tire designed for mid-size crossovers and SUVs. It delivers balanced dry and wet performance with predictable handling thanks to its directional tread pattern and silica-enhanced compound. Ride comfort is above average with low road noise, making it well-suited for highway commuting. Tread life is competitive for its category, offering solid value for moderate-climate driving. Rated Excellent by TireRack based on 40 consumer surveys, it provides reliable year-round performance but is not winter-rated for severe snow conditions. Currently priced from $132.99, it is available through major online tire retailers.
Check availability & current price βAbout This Tire
The Radar Dimax AS-8 255/55R18 is a grand touring all-season tire, designed for drivers of performance sedans, sporty coupes, crossovers, and SUVs who prioritize fuel efficiency and ride comfort in everyday driving. Its asymmetric tread design and silica-enriched compound focus on providing balanced traction across wet and dry conditions while maintaining long treadwear.
The tire features circumferential grooves and independent tread blocks for hydroplaning resistance, while a continuous center rib promotes highway stability and quiet operation. Lateral sipes distributed across the tread enhance grip in wet and light snow conditions, and the rounder shoulder design provides progressive cornering response. Driver feedback points to strong wet and dry performance, with comfortable ride quality and reliable treadwear standing out in daily use.
Compared to performance-oriented tires, it emphasizes comfort, stability, and long-term usability. Overall, it's a solid choice for crossovers, SUVs, and sedans used primarily for highway commuting and daily driving in varied weather conditions.
π Compare 255/55R18 Tires
β Currently viewing: Radar Dimax AS-8 255/55R18
These tires share the same size (255/55R18) and are sorted by price for easier comparison.
| Tire | Price | Rating | Best For | Season |
|---|---|---|---|---|
β
Radar Dimax AS-8 255/55R18 π£οΈ Comfort-focused touring | $132.99 | β Excellent (40 reviews) | Daily highway commuting and city driving | π€οΈ All Season |
βοΈ Summer performance | $148.21 | β Good (74 reviews) | Crossover and SUV owners in warm climates | βοΈ Summer |
βοΈ Dedicated winter tire | $210.22 | β N/A | Winter driving in snow and ice conditions | βοΈ Winter |
π€οΈ All-season versatility | $219.7 | β Good (293 reviews) | Performance SUV and crossover daily driving | π€οΈ All Season |
π£οΈ Comfort-focused touring | $230.99 | β Excellent (219 reviews) | Daily highway commuting and city driving | π€οΈ All Season |
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TirePath Editorial Review
"After analyzing survey data, this grand touring tire excels at comfort and treadwear for crossover drivers who prioritize daily commuting value. Performance enthusiasts may find the handling less engaging than premium alternatives."




