Kumho Ecsta PS91 vs PS71
Kumho is a South Korean tire manufacturer that has been developing high-quality tires for various vehicle categories for over 60 years. The Kumho Ecsta PS91 was launched in 2019 as the successor to the Kumho Ecsta PS71, which has been established on the market since 2015. Choosing the right high-performance tire is crucial for driving safety, driving comfort and driving dynamics in a sporty driving style. This comparative article analyzes the characteristic features of both Kumho models to provide a sound basis for decision-making.
255/35 ZR18 94Y XL
Сurrently out of stock
255/35 ZR18 94Y XL
Сurrently out of stock
Advantages: Kumho Ecsta PS91 or Kumho Ecsta PS71
Kumho Ecsta PS91 Advantages
- Asymmetric tread pattern for optimized power transmission in various driving conditions
- Silica-reinforced rubber compound for improved grip on wet roads
- Stiffened shoulder blocks for precise steering response at high speeds
- Optimized sipe technology for even pressure distribution
- Reduced rolling noise due to computer-optimized tread design
Kumho Ecsta PS71 Advantages
- Proven symmetrical tread design for balanced driving characteristics
- High quality silica compound technology for good wet grip
- Stiff center rib for direct steering feel and directional stability
- Large tread blocks for effective power transmission on dry roads
- Cost-efficient solution for sporty driving style
Disadvantages: Kumho Ecsta PS71 vs Kumho Ecsta PS91
Kumho Ecsta PS91 disadvantages
- Higher purchase costs compared to established models
- Limited availability in specific tire dimensions
- Shorter market presence with less long-term experience
Kumho Ecsta PS71 Disadvantages
- Older tread design without latest technology developments
- Higher rolling noise at high speeds
- Lower mileage with intensive sporty use
- Less optimized wet grip compared to more modern designs
Comparison table of technical specifications PS71 or Kumho Ecsta PS91
| Feature |
Kumho Ecsta PS91 |
Kumho Ecsta PS71 |
| Tire type |
Summer tire UHP |
Summer tire UHP |
| Width (mm) |
205-295 |
195-275 |
| Height (%) |
30-55 |
35-60 |
| Type of construction |
Radial |
Radial |
| inch |
17-20 |
16-19 |
| Load index |
84-107 |
82-103 |
| Speed index |
W-Y |
V-Y |
| Rim protection |
Available |
Available |
| Runflat tire |
No |
No |
| Reinforced / XL |
Available |
Available |
| C tire |
No |
No |
| Fuel efficiency (EU label) |
C-E |
D-F |
| Wet grip (EU label) |
A-B |
B-C |
| Noise class / noise level |
2/71-73 dB |
2/72-74 dB |
Similarities: Kumho Ecsta PS91 vs PS71
- High performance summer tire: Specially designed for sporty driving at high speeds and dynamic driving situations
- Silica technology: Modern silica-reinforced rubber compound for improved grip in different weather conditions
- Asymmetric tread optimization: Different tread design between the inside and outside for optimum performance when cornering and driving straight ahead
- Reinforced sidewall: Robust construction for increased stability under high loads and sporty driving style
- Optimized contact patch: Even pressure distribution for improved traction and even wear
- Temperature resistance: Heat-resistant rubber compound for consistent performance under intensive use
- Precision steering: Design features for direct response and precise vehicle control
- Aquaplaning resistance: tread design with effective water drainage for safety in wet conditions
Differences: Kumho Ecsta PS91 vs Ecsta PS71
| Feature |
Kumho Ecsta PS91 |
Kumho Ecsta PS71 |
| Tread pattern |
Asymmetric design with optimized sipes |
Symmetrical design with large tread blocks |
| Rubber Compound |
Advanced silica compound technology |
Proven silica compound formulation |
| Main strength |
Balanced wet and dry performance |
Focus on dry grip and tracking stability |
| Running performance |
Improved wear resistance |
Standard wear characteristics |
| Rolling resistance |
Optimized rolling resistance |
Higher rolling resistance |
| Wet grip |
Improved wet grip with more advanced technology |
Good wet grip with proven technology |
| Dry grip |
High dry grip with precise control |
Very good dry grip with direct feedback |
| Special features |
Computer-optimized noise reduction |
Cost-efficient proven technology |
Conclusion
The Kumho Ecsta PS91 vs Kumho Ecsta PS71 comparison shows clear technological advancements between the generations. The PS91 offers more modern technologies with improved wet grip, reduced rolling resistance and optimized noise levels, while the Kumho Ecsta PS71 is a proven model with focused dry performance and more cost-efficient positioning. Drivers who value the latest technology and balanced all-round performance will benefit from the PS91, while price-conscious enthusiasts with a focus on dry grip will be well served by the Kumho Ecsta PS71. Both models meet the requirements of a sporty driving style, but differ in terms of technology level and specialization.
Frequently asked questions (FAQ)
Which tire offers the better mileage?
The Kumho Ecsta PS91 tends to offer higher mileage due to its more modern rubber compound and optimized tread design. Typical values are 25,000-30,000 km under normal driving conditions, while the Kumho Ecsta PS71 achieves around 20,000-25,000 km.
Are both tires suitable for trackdays?
Both models are suitable for occasional track use. The Kumho Ecsta PS71 offers more direct feedback in dry conditions, while the Kumho Ecsta PS91 has advantages in longer sessions due to its more advanced heat resistance.
What is the difference in wet handling?
The Kumho Ecsta PS91 achieves better wet grip due to advanced silica technology and optimized siping. EU label ratings show A-B for Kumho Ecsta PS91 versus B-C for PS71 in wet grip.
Which tire is cheaper to buy?
The Kumho Ecsta PS71 is positioned as a cheaper alternative with a 15-20% lower purchase cost. The Kumho Ecsta PS91 justifies the extra price with more advanced technologies and improved overall performance.
Are there differences in the availability of different dimensions?
The Kumho Ecsta PS91 covers modern dimensions from 17-20 inches, while the Kumho Ecsta PS71 also offers smaller 16-inch sizes. The PS91 range is more comprehensive for current sports cars.
How does the wear behave during sporty driving?
During intensive use, the Kumho Ecsta PS91 shows more even wear due to optimized pressure distribution. The Kumho Ecsta PS71 tends to wear more heavily on the shoulder blocks during aggressive driving.
Which tire is better suited for all-season use?
Both are pure summer tires without winter suitability. The Kumho Ecsta PS91 offers better wet grip for extended use in cooler weather, but is limited to summer use.
23 September 2025 (updated) 
