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  • FalkenAzenis RT615K+
  • FalkenAzenis RT615K+
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Falken Azenis RT615K+The Azenis RT615K+ is a further evolution of Falken Tire's championship-winning Extreme Performance Summer tire, the Azenis RT615K. Developed for drivers of muscle cars, sports cars, street rods and performance sedans who want ultimate grip in warm, dry and wet conditions, the Azenis RT615K+ is not intended to be serviced, stored nor driven in near- or below-freezing temperatures, through snow or on ice.

Utilizing the proven internal construction and motorsports-inspired asymmetric tread pattern as its predecessor, the Azenis RT615K+ features Falken's latest Extreme Summer Performance-targeted compound. The updated compound is designed to further satisfy the increased performance expectations of competitive drivers through additional dry grip. The Massive Sport Side Shoulder Blocks deliver extreme levels of lateral traction through turns, and the solid center rib effectively puts the power to the ground by providing constant contact with the road. Inboard circumferential grooves and notched tread blocks help evacuate water from the contact patch, improving wet traction and hydroplaning resistance.

Internal construction of the Azenis RT615K+ includes a high-tension casing to help increase handling response and high-speed stability. Twin, high-tensile steel belts are reinforced by a spirally-wrapped nylon Joint-less Cap Ply to promote even wear and durability.

Extreme Performance Summer tires exposed to temperatures of 20 degrees F (-7 degrees C) or lower must be permitted to gradually return to temperatures of at least 40 degrees F (5 degrees C) for at least 24 hours before they are flexed in any manner, such as by adjusting inflation pressures, mounting them on wheels, or using them to support, roll or drive a vehicle.

Note: Flexing of the specialized rubber compounds used in Extreme Performance Summer tires during cold-weather use can result in irreversible compound cracking. While compound cracking is not a warrantable condition because it occurs as the result of improper use or storage, tires exhibiting compound cracking must be replaced.

Tire Rack Test Results Falken Azenis RT615K+

Tire Rack Road Course Test: Extreme Performance Summer Tires 2022 (11:17)

Tire Rack’s testing program has provided expert advice on tires since 1995. In 2022, we added a new element to our annual calendar – testing on a 2.1-mile road course in southwest Michigan! So, sit back and enjoy the first of many Tire Rack track tests, this time, with customer favorite, Extreme Performance Summer tires.

Read the Full Test Report

Ratings Charts & Reviews FalkenAzenis RT615K+

Tire Category: Extreme Performance Summer

Consumer Surveys

 
Best in Category
Miles Reported
Recommended
Treadwear
Falken Azenis RT615K+
Good
96%
1.3M
8.5 - Good
7.1 - Good
6.9 Hydroplaning Resistance
7.3 Wet Traction
9.1 - Excellent
9.1 Corner Stability
9.2 Dry Traction
9.1 Steering Response
N/A
N/A Light Snow Traction
N/A Deep Snow Traction
N/A Ice Traction
7.8 - Good
7.8 Ride Quality
7.7 Noise
7.2 - Good

Falken Reviews

Customers say the tire delivers exceptional dry traction and precise handling, excelling in autocross and track environments with predictable grip and responsive steering. Wet performance is manageable in light rain but requires caution in heavy downpours due to hydroplaning risks, especially as tread wears. Treadwear is praised for a 200TW tire, offering respectable longevity through multiple heat cycles, though aggressive use accelerates wear. Ideal for drivers prioritizing track-ready performance and durability over all-weather versatility.

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Customers Like:

194 reviews mention "Wet Traction"

  • 143 positive
  • 51 negative

Reviewers scoring 7s-8s praise the RT615K+ for predictable wet handling and secure grip in light rain, with some noting surprising traction during wet autocross. While heavy rain or standing water can challenge limits, many find them manageable when new, offering controlled performance ideal for summer use. Wear reduces wet efficacy, aligning with extreme performance expectations.

April 12, 2019
(Verified Purchase)
4.7 out of 5 Star Rating
4.7 out of 5

...Like many others, I was shocked at how well these tyres perform in the wet- much more confidence in these than any other...

Changed from the 615's to the Nitto 555R GTs and I'm going back as soon as I burn these Nitto's off... I've had a lot of different tyres on my car and none... none are better than the Falken's for the track and overall performance. Like many others, I was shocked at how well these tyres perform in the wet- much more confidence in these than any other . Grip is outstanding and corning is superb- no roll and very predictable going into and out of the apex...
Daily street performance is excellent- I've had guys chase me down to ask about them because of the traction and low noise when accelerating... wear is not something I worry about with any max trye- don't expect high mileage right! Really happy with these and I wished I'd never switched in the first place!

Vehicle: 2010 Ford Mustang GT Convertible
Miles Driven on Tires: 9,500
Driving Conditions: Combined Highway/City
Location: SCARBOROUGH, ON
Driving Style: Spirited

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December 07, 2022
(Verified Purchase)
4.3 out of 5 Star Rating
4.3 out of 5

This tire has great summer/wet performance, with confident and predictable handeling...

This tire has great summer/wet performance, with confident and predictable handeling. Tire rack has also won me over with their road hazard coverage. It saved me $200 for a new tire due to a screw in the side wall. And placing the claim was painless.

Vehicle: 2002 Chevrolet Camaro Z28
Miles Driven on Tires: 1,500
Driving Conditions: Combined Highway/City
Location: LELAND, NC
Driving Style: Spirited

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283 reviews mention "Dry Traction"

  • 278 positive
  • 5 negative

Customers praise the Falken Azenis RT615K+ for outstanding dry traction, with many scoring 9-10. Reviewers highlight exceptional grip, precise cornering, and predictable handling, making them ideal for autocross, track days, and spirited driving. The tires heat up quickly, offering consistent performance, though some note accelerated wear typical of extreme performance summer tires.

February 15, 2024
(Verified Purchase)
4.3 out of 5 Star Rating
4.3 out of 5

Very responsive tire with great feedback. Grip was excellent.

Very responsive tire with great feedback. Grip was excellent.

Vehicle: 2007 Mazda MX-5 Miata Sport
Miles Driven on Tires: 400
Driving Conditions: Track/Autocross
Location: SPRINGFIELD, MO
Driving Style: Spirited

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April 30, 2017
(Verified Purchase)
3.7 out of 5 Star Rating
3.7 out of 5

...In the dry the grip is great!...

I race CAM-T in SCCA solo.
I ran my fist event in a down poor of rain! I finished first due to these tires!
In the dry the grip is great!
Since I showed up with these tires others are now showing up with them as well!
For the price best 200 tread wear tire, out there!

Vehicle: 1965 Ford Mustang 5-Lug
Miles Driven on Tires: 300
Driving Conditions: Track/Autocross
Location: ELK GROVE, CA
Driving Style: Spirited

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May 10, 2022
(Verified Purchase)
4.1 out of 5 Star Rating
4.1 out of 5

...good balance between traction and wear.

using the tire for track driving exclusively. good balance between traction and wear.

Vehicle: 2001 Volkswagen Beetle Sport
Miles Driven on Tires: 500
Driving Conditions: Track/Autocross
Location: NEWBURGH, NY
Driving Style: Spirited

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237 reviews mention "Treadwear"

  • 166 positive
  • 71 negative

The Falken Azenis RT615K+ receives strong praise for treadwear, with many users scoring 9s-10s commending its durability through multiple track days, autocross events, and heat cycles. Reviewers highlight consistent grip and predictable wear even under aggressive use, noting it outperforms expectations for a 200TW tire. Enthusiasts appreciate its balance of longevity and extreme dry performance, solidifying its role as a reliable choice for high-performance summer driving.

December 02, 2023
(Verified Purchase)
5 out of 5 Star Rating
5 out of 5

So far so good. It is better (November December time frame) for a 200 treadwear tire than expected.

So far so good. It is better (November December time frame) for a 200 treadwear tire than expected.

Vehicle: 2015 Ford Focus ST
Miles Driven on Tires: 500
Driving Conditions: Combined Highway/City
Location: STERLING, VA
Driving Style: Easy Going

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December 24, 2019
(Verified Purchase)
3.9 out of 5 Star Rating
3.9 out of 5

This set replaced a prior set which went 30k before it hit the wear bars...

This set replaced a prior set which went 30k before it hit the wear bars. This is a follow up of a review in October 2019 on the prior set. Overall pleased with choice. Had local shop mount and balance and no tire needed more than 1.25 oz , which I take as a sign of a good tech and a quality tire to start with. No surprise, about the same experience as the prior set so far. Only difference seems to be a slight "singing" when at light load, low slip angle cornering. Not a complaint, just an observation. Just one heavy rain experience so far at full tread depth and secure in feel and response. Only one experience below 50 degrees on this set and they do let you know they are "cold". With the words "14 inch" and " performance tire" becoming an oxymoron, this is the ideal tire for an NA Miata where folks want to run the OE wheels.

Vehicle: 1997 Volkswagen Golf GTi
Miles Driven on Tires: 3,000
Driving Conditions: Combined Highway/City
Location: PALM HARBOR, FL
Driving Style: Average

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Consumer Reviews

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