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Head-to-head Updated September 2026

Kumho Ecsta PS91 vs Nitto Invo — Compared (September 2026)

Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.

Tire A Kumho

Kumho Ecsta PS91

Summer Extreme Performance tires

Kumho Ecsta PS91 tread pattern
Objective (60%)
70/100
3 professional tests
User signal (40%)
70/100
56 owner reviews
Dry
82
Wet
78
Comfort
52
Noise
87
Treadwear
57
Handling
75

Prices change daily — check the retailer for your size.

VS
Tire B Nitto

Nitto Invo

Summer High Performance tires

Nitto Invo tread pattern
Objective (60%)
–/100
No test data yet
User signal (40%)
69/100
19 owner reviews
Dry
79
Wet
67
Comfort
67
Noise
–
Treadwear
65
Handling
75

Prices change daily — check the retailer for your size.

VerdictToo close to call: Kumho Ecsta PS91 and Nitto Invo are within 2 points overall. Kumho Ecsta PS91 is stronger on wet and dry. Nitto Invo is stronger on comfort and treadwear.
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Category breakdown

6 categories, side by side

Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.

Dry

Weight: Neutral
Score (0–100) Ecsta PS91 leads by 3
A — Kumho Ecsta PS91
82
B — Nitto Invo
79
Why this score
SourceEcsta PS91Invo
Professional tests (TWG score) 81 –
Tire Rack owners 87 –
Tyre Reviews owners 82 79
SimpleTire owners – 98

Wet

Weight: Important
Score (0–100) Ecsta PS91 leads by 11
A — Kumho Ecsta PS91
78
B — Nitto Invo
67
Why this score
SourceEcsta PS91Invo
Professional tests (TWG score) 80 –
Tire Rack owners 77 –
Tyre Reviews owners 73 67
SimpleTire owners – 87

Comfort

Weight: Neutral
Score (0–100) Invo leads by 15
A — Kumho Ecsta PS91
52
B — Nitto Invo
67
Why this score
SourceEcsta PS91Invo
Professional tests (TWG score) 37 –
Tire Rack owners 80 –
Tyre Reviews owners 73 67
SimpleTire owners – 98

Noise

Weight: Neutral
Score (0–100)
A — Kumho Ecsta PS91
87
B — Nitto Invo
–
Why this score
SourceEcsta PS91Invo
Professional tests (TWG score) 87 –
SimpleTire owners – 98

Treadwear

Weight: Important
Score (0–100) Invo leads by 8
A — Kumho Ecsta PS91
57
B — Nitto Invo
65
Why this score
SourceEcsta PS91Invo
Tire Rack owners 64 –
Tyre Reviews owners 55 65
SimpleTire owners – 84

Handling

Weight: Neutral
Score (0–100)
A — Kumho Ecsta PS91
75
B — Nitto Invo
75
Why this score
SourceEcsta PS91Invo
Tyre Reviews owners 75 75
DriverReviews owners 80 –

Scores at a glance

Kumho Ecsta PS91 vs Nitto Invo: scores by category (0–100)
CategoryKumho Ecsta PS91Nitto Invo
Relative Score 69 70
Dry 82 79
Wet 78 67
Comfort 52 67
Noise 87 –
Treadwear 57 65
Handling 75 75

Higher is better. The Relative Score follows your weights below; category scores do not change.

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Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.

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Recomputed
Headline score

Tire A

Tire B

Only categories both tires have data for count toward the headline score.

From owners

Pros, cons & observations

Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.

Tire A Kumho Ecsta PS91

The Kumho Ecsta PS91 is widely regarded as a high-value performance tire that offers impressive dry grip and steering feedback, often rivaling more expensive premium brands. However, user consensus is polarized regarding tread longevity, with many owners reporting premature wear, and some experiencing inconsistent performance in wet conditions or issues with sidewall durability.

Pros

  • Excellent dry weather grip and cornering stability
  • High value-for-money proposition compared to premium competitors
  • Stiff sidewalls provide sharp, responsive steering feedback
  • Quiet and comfortable ride quality for a performance-oriented tire

Cons

  • Rapid and premature tread wear, particularly on heavier or high-torque vehicles
  • Inconsistent wet weather performance and aquaplaning susceptibility
  • Reports of sidewall cracking or deformation after moderate use
  • Tendency to tramline or follow road ruts on highway surfaces

Observations

  • Owners of heavy, high-torque vehicles (e.g., BMW 5-series, performance saloons) frequently report significantly accelerated tread wear.
  • BMW and Mini owners transitioning from factory run-flat tires often praise the PS91 for improved comfort and steering feel due to its specific sidewall construction.
  • Some users noted that the tire's actual width when inflated can be narrower than the nominal size, leading to fitment or aesthetic concerns.
Tire B Nitto Invo

The Nitto Invo is a polarizing ultra-high-performance tire that receives highly inconsistent feedback regarding its longevity and noise levels. While some users praise its dry-weather grip and aesthetic appeal, a significant portion of owners report premature hardening, excessive road noise, and a notable decline in wet-weather performance as the tread wears down.

Pros

  • Strong dry-weather traction and cornering stability
  • Attractive, aggressive tread pattern design
  • Competitive price point compared to premium rivals
  • Good initial comfort levels when new

Cons

  • Significant increase in road noise and 'whine' as the tire ages
  • Substantial decline in wet-weather grip and safety over time
  • Tendency to pick up and retain small road debris in the tread grooves
  • Inconsistent tread life with reports of premature hardening and structural issues

Observations

  • Users on FWD platforms like the Mazda3 noted rapid front-tire wear, suggesting a need for frequent rotation.
  • High-horsepower vehicles (e.g., Chrysler SRT8, Holden Commodore) report difficulty maintaining traction under heavy acceleration.
  • Drivers on rougher road surfaces report higher instances of sidewall damage and structural failure compared to those on well-maintained highways.
Community buzz

What real owners are saying

From Reddit, forums and review threads. Not part of our score

Tire A

Kumho Ecsta PS91

Mixed

Community opinion on the Kumho Ecsta PS91 is generally mixed, praising them as a budget-friendly, good-looking max performance summer tire that rivals premium brands in daily driving comfort and appearance. However, multiple users note concerns regarding rapid tread wear, poor heat capacity under track conditions, and susceptibility to degrading under hard abuse compared to dedicated 200 treadwear or extreme performance tires.

r/e46 ·222 upvotes ·2025-03-27

“Follow up on new wheels/tires for ZHP Well new wheels and tires are on aswell as aligned. I love the tire and fitment setup but really do not like the gunmetal grey color especially on imola. I will feel it out for a while but probably eventually powder coat to OEM silver. Wheels specs are 18 x 8.5 x ET50 with 255/35/18 Kuhmo Ecsta PS91 all around. -2.5 camber in the front and -2.8 in the rear.”

r/E90 ·180 upvotes ·2025-09-17

“New meaty tires set up installed, now I can order spacers Went up tire sizes and they definitely fill the gap a bit. First time running sticky kumhos on anytime so excited to see how they turn out.Specs are Kumho Ecsta Ps91 235/40/18 up front and 265/40/18 in the rear. Read more”

r/e46 ·39 upvotes ·2025-03-26

“New wheels and tires for my ZHP My old wheels were super beat up and tires were showing wire so I figured I’d upgrade both. Was able to get these freshly powder coated squared set (18/8.5/et 50). Im excited to feel the Kuhmo Ecsta PS91 as they are a budget friendly performance tire. 255/35/18 tires all around”

r/G37 ·30 upvotes ·2026-03-21

“275/40 Square Can Fit on a Sedan Shout out to TireRack for having great information on actual tire size. Ecsta PS91 265/40 and ExtremeContact 275/40 has a tread width and section width difference of 0.1” and 0.2” respectively. Tires fit just about perfect. No rubbing so far, and don’t expect it to rub bc of the relatively minimal width change Really goes to show that tire brand matters for fitment Read more”

Top themes
#budget friendly performance#ride quality and comfort#tread wear longevity#track and heat performance#tire mixing risks#fitment and appearance

Based on 16 community posts

Tire B

Nitto Invo

We haven't collected enough community discussion about this tire yet.

Specifications

Specs side by side

Attribute A · Kumho Ecsta PS91 B · Nitto Invo
CategorySummer Extreme Performance tiresSummer High Performance tires
Vehicle typePassenger Car / CrossoverPassenger Car / Crossover
Sizes available—39
Rim diameters—17″ – 22″
Tread depth—10.3/32″
UTQG—220 A A
Sidewall—Blackwall
Max pressure—50 psi
Final verdict

Which one should you actually buy?

Kumho

Nitto

Too close to call: Kumho Ecsta PS91 and Nitto Invo are within 2 points overall. Kumho Ecsta PS91 is stronger on wet and dry. Nitto Invo is stronger on comfort and treadwear.

Pick tire B You want the most comfortable ride

Nitto Invo scores 67 vs 52 on comfort.

Pick tire A Your priority is wet-weather safety

Kumho Ecsta PS91 scores 78 vs 67 on wet.

Pick tire B You want the longest tread life

Nitto Invo scores 65 vs 57 on treadwear.

Pick tire A You want the most grip on dry roads

Kumho Ecsta PS91 scores 82 vs 79 on dry.

Tire A · Kumho Ecsta PS91
Tire B · Nitto Invo

How do we compare tires?

Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.

Community buzz from Reddit and forums is shown for context only — it never changes the score.