84
/ 100
Objective (60%)
90/100
3 professional tests
User signal (40%)
90/100
450 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Bridgestone Potenza RE 71RS vs Kumho V70a — 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.
VS
75
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
81/100
21 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Bridgestone Potenza RE 71RS — better treadwear, handling and wet. Pick the Kumho V70a if dry matters most to you.
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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
Score (0–100)
V70a leads by 6
Why this score
| Source | Potenza RE 71RS | V70a |
|---|---|---|
| Professional tests (TWG score) | 92 | – |
| Tire Rack owners | 95 | – |
| Tyre Reviews owners | 95 | 99 |
| SimpleTire owners | 100 | – |
Wet
Score (0–100)
Potenza RE 71RS leads by 10
Why this score
| Source | Potenza RE 71RS | V70a |
|---|---|---|
| Professional tests (TWG score) | 100 | – |
| Tire Rack owners | 70 | – |
| Tyre Reviews owners | 75 | 78 |
| SimpleTire owners | 100 | – |
Comfort
Score (0–100)
Potenza RE 71RS leads by 5
Why this score
| Source | Potenza RE 71RS | V70a |
|---|---|---|
| Tire Rack owners | 75 | – |
| Tyre Reviews owners | 61 | 70 |
| SimpleTire owners | 70 | – |
Noise
Score (0–100)
Why this score
| Source | Potenza RE 71RS | V70a |
|---|---|---|
| SimpleTire owners | 70 | – |
Treadwear
Score (0–100)
Potenza RE 71RS leads by 16
Why this score
| Source | Potenza RE 71RS | V70a |
|---|---|---|
| Tire Rack owners | 71 | – |
| Tyre Reviews owners | 67 | 55 |
| SimpleTire owners | 70 | – |
Handling
Score (0–100)
Potenza RE 71RS leads by 11
Why this score
| Source | Potenza RE 71RS | V70a |
|---|---|---|
| Tyre Reviews owners | 97 | 86 |
Scores at a glance
| Category | Bridgestone Potenza RE 71RS | Kumho V70a |
|---|---|---|
| Relative Score | 84 | 75 |
| Dry | 93 | 99 |
| Wet | 88 | 78 |
| Comfort | 75 | 70 |
| Noise | 70 | – |
| Treadwear | 71 | 55 |
| Handling | 97 | 86 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Recomputed
Headline score
84
/ 100
Tire A
75
/ 100
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.
The Bridgestone Potenza RE-71RS is widely regarded as a benchmark in the 'super 200tw' category, offering exceptional dry grip, sharp steering response, and predictable handling for autocross and track enthusiasts. While it is street-legal and surprisingly refined in terms of noise and comfort for its class, it is primarily a performance-focused tire that prioritizes lap times over longevity.
Pros
- Outstanding dry grip and rapid warm-up characteristics.
- Highly predictable and communicative at the limit, allowing for easy recovery.
- Improved on-road refinement, noise levels, and comfort compared to its predecessor.
- Strong performance in wet conditions for a high-performance summer tire.
- Consistent performance across a wide range of ambient temperatures.
Cons
- Rapid tread wear, especially when used aggressively on track or heavy vehicles.
- Tendency to become 'greasy' or lose peak grip during extended track sessions.
- Stiff sidewalls can make mounting the tires onto rims difficult.
- High susceptibility to picking up road debris and gravel.
- Performance drop-off in standing water or heavy rain despite decent wet-weather capability.
Observations
- Lightweight vehicles like the Mazda Miata benefit significantly from the tire's quick warm-up and predictable handling.
- Heavier vehicles or those with high horsepower may experience accelerated tread wear and heat-soak issues during long track sessions.
- Users noted that proper tire pressure management is critical, with many finding that lower cold pressures are necessary to prevent the tire from becoming greasy.
The Kumho V70a is highly regarded as a competitive, high-performance track tire that offers exceptional dry grip and surprising versatility in damp conditions. While users consistently praise its rapid warm-up time and stability, they note that its aggressive nature leads to rapid tread wear, making it better suited for dedicated track use than high-mileage street driving.
Pros
- Exceptional dry grip and track performance
- Rapid warm-up time compared to competitors
- Strong stability and stiff sidewall construction
- Surprisingly capable in damp or light wet conditions
- High value-to-performance ratio
Cons
- Rapid tread wear rate
- Difficult to mount due to stiff sidewalls
- Limited longevity for daily driving
- Performance drops significantly in standing water
Observations
- Front-wheel drive users noted that tire temperature is critical for rear-end grip in wet conditions.
- High-performance vehicles like the M3 CSL and GT3 benefit from the tire's quick heat-cycling compared to standard track-day alternatives.
Community buzz
What real owners are saying
From Reddit, forums and review threads. Not part of our score
Tire A
Positive
Bridgestone Potenza RE 71RS
The community regards the Bridgestone Potenza RE-71RS as an exceptionally sticky and high-performing extreme performance tire, often sought after for track use and spirited driving. Users frequently discuss clearance sales, sizing and fitment nuances (noting they tend to run wide), and their limited tread life given their 200-treadwear rating. Overall, users are very enthusiastic about their grip and handling capabilities.
r/ElantraN
·5 upvotes ·2025-09-06
“Track tire fitment Just got some new Bridgestone Potenza RE-71rs in 245/40r18. I did my research on this subreddit and it seems like that will fit without rubbing/camber bolts. Does anyone know if the RE-71rs’ run wide cause they measure a full inch wider than the stock PS4s’, I’m just wondering now if I’ll need camber bolts. I’d prefer not, just want to throw them on and go. For reference they are being mounted onto a 18x8.5 +45 Enkei TS-V wheel. If anyone could offer insight cause I just can’t understand how they would fit but maybe I’m just over thinking it. Stock suspension by the way. I searched the sub and didn’t see anything with exact matching specs, only bigger and different tires. Tl;dr Will 245/40r18 Bridgestone Potenza RE-71rs’ fit on an 18x8.5 +45 wheel without clearance issues/adding other modifications (camber bolts) on our car? Thanks for any help! Read more”
r/CarTrackDays
·2 upvotes ·2025-02-17
“Need heat cycle advice I recently got a screaming deal on some Bridgestone Potenza RE-71RS for my daily driver. It usually doesn't see track time but I figured it would be fun to try it out for the cost. The tires were cheap because they had a 2021 production date. In the past to heat cycle a tire, I've just driven on the highway a couple of hours and let the tire sit for 24 hours. The hurdle is, It's winter and too cold to really make an impact. To add to that, I doubt I will have clean enough roads for that tire. My track does have winter lapping when it is clean and dry, but it still may be cold. Any suggestions on how to get a heat cycle on these tires in cold temperatures? Read more”
r/MechanicAdvice
·1 upvote ·2021-08-02
“Mileage-expectancy of Bridgestone Potenza RE-71Rs? (200-rated, I think?) Forgive me I'm getting the terminology wrong, but I just bought a super dynamite NA Miata that has had a TON of incredible suspension work (mostly Flyin' Miata stuff) and the stickiest tires I have ever experienced by FAR: Potenza RE-71Rs. (Forget full measurements but they're on 15 x 7.5" inch wheels, 6UL's by 949 Racing.) And I think their life is pretty much over. I love them but I don't want to track the car; I want to drive it two hours into the country every other weekend. I want to drive through the mountains with great . . . spiritedness . . . but I don't need track-focused tires. I'd much rather have something slightly less grippy in exchange for longer tread life. The previous owner (who I've stayed in touch with) recommenced I get "300-rated" tires instead of "200-rated" tires. I don't really know what that means or how many miles I can expect from such a tire. I'm contemplating getting the Continental Extreme Contacts, but I just don't know enough about tires to know what they're like or how much ACTUAL mileage I can get----I also dont' understand 200 vs. 300 tires. Please help?”
Top themes
#exceptional grip performance#track and autocross use#tire sizing and fitment#treadwear and mileage#closeout and clearance sales#cold and wet limitations
Based on 8 community posts
Tire B
Kumho V70a
We haven't collected enough community discussion about this tire yet.
Specifications
Specs side by side
| Attribute | A · Bridgestone Potenza RE 71RS | B · Kumho V70a |
|---|---|---|
| Category | Summer Trackday and Competition tires | Summer Trackday and Competition tires |
| Vehicle type | — | Passenger Car / Crossover |
| Sizes available | 10 | — |
| Rim diameters | 15″ – 19″ | — |
| Tread depth | 7/32″ | — |
| UTQG | 200 A A | — |
| Sidewall | Blackwall | — |
| Max pressure | 51 psi | — |
Final verdict
Which one should you actually buy?
84
/ 100
Bridgestone
75
/ 100
Kumho
Winner: Bridgestone Potenza RE 71RS — better treadwear, handling and wet. Pick the Kumho V70a if dry matters most to you.
Pick tire A
You want the longest tread life
Bridgestone Potenza RE 71RS scores 71 vs 55 on treadwear.
Pick tire A
You enjoy sharp, responsive handling
Bridgestone Potenza RE 71RS scores 97 vs 86 on handling.
Pick tire A
Your priority is wet-weather safety
Bridgestone Potenza RE 71RS scores 88 vs 78 on wet.
Pick tire B
You want the most grip on dry roads
Kumho V70a scores 99 vs 93 on dry.
Tire A · Bridgestone Potenza RE 71RS
Tire B · Kumho V70a
More comparisons
Also compared with
Bridgestone Potenza RE 71RS also compared with
Kumho V70a also compared with
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.