Radar Dimax AS-8 255/55R18

Radar Dimax AS-8 255/55R18 XL 109W Grand Touring All-Season Tire DSC0389

🌀️ All SeasonπŸ’° $132.99πŸ“ 255/55R18πŸš— Passenger Car

πŸ’‘ 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 β†’

About 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.

πŸ“Š 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.

TirePriceRatingBest ForSeason
β˜…Radar Dimax AS-8 255/55R18
πŸ›£οΈ Comfort-focused touring
$132.99⭐ Excellent (40 reviews)Daily highway commuting and city driving🌀️ All Season
β˜€οΈ Summer performance
$148.21⭐ Good (74 reviews)Crossover and SUV owners in warm climatesβ˜€οΈ Summer
❄️ Dedicated winter tire
$210.22⭐ N/AWinter driving in snow and ice conditions❄️ Winter
🌀️ All-season versatility
$219.7⭐ Good (293 reviews)Performance SUV and crossover daily driving🌀️ All Season
πŸ›£οΈ Comfort-focused touring
$230.99⭐ Excellent (219 reviews)Daily highway commuting and city driving🌀️ All Season
β˜… CURRENT
Radar Dimax AS-8 255/55R18
πŸ›£οΈ Comfort-focused touring
Price
$132.99
Rating
⭐ ⭐ Excellent (40 reviews)
Best For
Daily highway commuting and city driving
Season
🌀️ All Season
Bridgestone Alenza 001 255/55R18
β˜€οΈ Summer performance
Price
$148.21
Rating
⭐ ⭐ Good (74 reviews)
Best For
Crossover and SUV owners in warm climates
Season
β˜€οΈ Summer
Vredestein Wintrac Pro+ 255/55R18
❄️ Dedicated winter tire
Price
$210.22
Rating
⭐ ⭐ N/A
Best For
Winter driving in snow and ice conditions
Season
❄️ Winter
Toyo Proxes ST III 255/55R18
🌀️ All-season versatility
Price
$219.7
Rating
⭐ ⭐ Good (293 reviews)
Best For
Performance SUV and crossover daily driving
Season
🌀️ All Season
BFGoodrich Advantage Control 255/55R18
πŸ›£οΈ Comfort-focused touring
Price
$230.99
Rating
⭐ ⭐ Excellent (219 reviews)
Best For
Daily highway commuting and city driving
Season
🌀️ All Season

β˜… Currently viewing this tire. Sorted by price (low to high).

✨

Key Features

🌧️
Wet Weather Traction
Circumferential grooves and independent tread blocks enhance hydroplaning resistance and wet grip performance.
πŸ›£οΈ
Highway Stability
Continuous center rib design promotes stable tracking and reduces road noise for comfortable highway driving.
βš–οΈ
Asymmetric Design
Asymmetric tread pattern with even footprint distribution optimizes contact patch for balanced wear and handling.
❄️
Light Snow Capability
Wide distribution of lateral sipes across the tread provides grip in wet, slushy, and light winter conditions.
β›½
Fuel Efficient
Silica-enriched compound reduces rolling resistance to help improve fuel economy during daily driving.

🎯 Best For

βœ“ Daily highway commuting and city drivingβœ“ Crossover and SUV owners seeking comfortβœ“ Year-round driving in moderate climatesβœ“ Drivers prioritizing treadwear and value
πŸ“‹

Specifications

πŸ“
Size
255/55R18
βš–οΈ
Load Index
109
🏎️
Speed Rating
W
πŸ“

TirePath Editorial Review

4.5
β˜…β˜…β˜…β˜…β˜…β˜…β˜…β˜…β˜…β˜…TirePath Rating

"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."

By TirePath Editorial TeamFeb 17, 2026
⭐

TireRack Ratings

Overall Rating⭐ Excellent
Survey Ratings40 reviews
CategoryGrand Touring All-Season

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πŸ“ Popular Tire Sizes

Radar Dimax AS-8 255/55R18 XL 109W Grand Touring All-Season Tire DSC0389
Size255/55R18
Season🌀️ All Season
VehiclePassenger Car