Porsche 718 Cayman Wheel & Tire Fitment Guide

Originally published | 08/06/2019 - Updated | 09/04/2026

Are you looking to get the most out of your 2017-current 718 Cayman? We offer a number of fitments from OEM+, performance street and track, to hardcore track to best fit your needs. Covering the Base, S, GTS, and GTS 4.0 trims, we have all the fitment information you need.

Grey Porsche 718 Cayman S with 19" SM-10RS Apex wheels in Satin Bronze

Porsche 718 Cayman Wheel & Tire Fitment Guide

Originally published | 08/06/2019 - Updated | 09/04/2026

Grey Porsche 718 Cayman S with 19" SM-10RS Apex wheels in Satin Bronze

Are you looking to get the most out of your 2017-current 718 Cayman? We offer a number of fitments from OEM+, performance street and track, to hardcore track to best fit your needs. Covering the Base, S, GTS, and GTS 4.0 trims, we have all the fitment information you need.



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Showing 8 / 9

OEM+ Wheel Fitment

Easy upgrades for street-driven cars

These bolt-on wheel fitments are ideal for enthusiasts enjoying their car day-to-day on the street, and they are typically paired with all-season or performance-oriented summer tires.

OEM+

Wheel Sizes

F:
18x9" ET46
R:
18x10" ET36

Tire Sizes

F:
235/45-18
R:
265/45-18

Scoring

6.4
Ease of fit9
Performance6.5
Tire Availability3

Fitment Overview

Our 18" OEM+ fitment is all about getting the most tire sidewall possible for those chasing comfort. The wheel sizes are slightly wider than stock to give you better fitment and keep the door open for future use-case changes.

Fitment Notes

  • Staggered - This fitment features wider wheels and tires on the rear of the car.

  • OEM front strut mount location will likely need to be adjusted to add negative camber

Tire Information

Recommended size
F:235/45-18
R:265/45-18
Show popular tire models
Alternative size
F:245/40-18 R:275/40-18
Show popular tire models
Available in this fitment

NaN/8

OEM+

Wheel Sizes

F:
19x9" ET50
R:
19x10.5" ET44

Tire Sizes

F:
245/40-19
R:
275/40-19

Scoring

9
Ease of fit9
Performance7
Tire Availability10

Fitment Overview

Our 19" OEM+ fitment is here to give you a small tire width increase without lowering the car with shorter tire sizes. There is a small potential for some additional front camber being required but for most people this is a bolt on solution.

Fitment Notes

  • Staggered - This fitment features wider wheels and tires on the rear of the car.

  • OEM front strut mount location will likely need to be adjusted to add negative camber

Tire Information

Recommended size
F:245/40-19
R:275/40-19
Show popular tire models
Available in this fitment

NaN/5

OEM+

Wheel Sizes

F:
20x9" ET50
R:
20x10.5" ET44

Tire Sizes

F:
235/35-20
R:
265/35-20

Scoring

7.6
Ease of fit9
Performance5.5
Tire Availability7

Fitment Overview

OEM 20" tire sizes with a GTS 4.0 rear wheel width for your 718. We upsized the front wheel to a 9" as well to offer some additional sidewall support like the rear does.

Fitment Notes

  • Staggered - This fitment features wider wheels and tires on the rear of the car.

  • OEM front strut mount location will likely need to be adjusted to add negative camber

Tire Information

Recommended size
F:235/35-20
R:265/35-20
Show popular tire models
Alternative size
F:245/35-20 R:275/35-20
Show popular tire models
Available in this fitment

Sprint line

Starting at

VS-5RS$789
VS-5RS in Anthracite finishVS-5RS in Brushed Clear finishVS-5RS in Motorsport Gold finishVS-5RS in Race Silver finishVS-5RS in Satin Black finishVS-5RS in Satin Bronze finish

Performance Street and Track Wheel Fitment

Dual-duty fitments for enhanced performance

These wheel & tire configurations are ideal for enthusiasts looking for a more dramatic improvement in performance and they are typically paired with performance-oriented summer tires or track-oriented R-compounds.

Performance Street and Track

Wheel Sizes

F:
18x9" ET46
R:
18x10.5" ET44

Tire Sizes

F:
245/40-18
R:
275/40-18

Scoring

8.2
Ease of fit9
Performance8.5
Tire Availability7

Fitment Overview

Slighty wider rear wheel to offer superior sidewall support for those more performance focused tire models. The main tire suggestion here is a bit shorter than stock but offers significantly more performance tires to choose from.

Fitment Notes

  • Staggered - This fitment features wider wheels and tires on the rear of the car.

  • OEM front strut mount location will likely need to be adjusted to add negative camber

  • 5mm Rear spacer may be required to clear strut depending on options. Read about the specifics HERE.

Tire Information

Recommended size
F:245/40-18
R:275/40-18
Show popular tire models
Alternative size
F:265/35-18 R:295/35-18
  • Front Camber Plates required

  • Rear fender rolling may be required

  • Tire setup not suggested if 5mm rear spacer is required for 18x10.5” wheel fitment.

Show popular tire models
Available in this fitment

NaN/5

Performance Street and Track
Popular

Wheel Sizes

F:
19x9" ET50
R:
19x10.5" ET44

Tire Sizes

F:
255/35-19
R:
285/35-19

Scoring

7.7
Ease of fit9
Performance8
Tire Availability6

Fitment Overview

Our most popular fitment for this chassis offers the widest tires that do not require aftermarket parts. The recommended tire size is just slightly shorter than the OEM, minimizing the ride height change but giving great performance in return.

Fitment Notes

  • Staggered - This fitment features wider wheels and tires on the rear of the car.

  • OEM front strut mount location will likely need to be adjusted to add negative camber

Tire Information

Recommended size
F:255/35-19
R:285/35-19
Show popular tire models
Alternative size
F:245/35-19 R:275/35-19
Show popular tire models
Available in this fitment

NaN/5

Performance Street and Track

Wheel Sizes

F:
20x9" ET50
R:
20x11" ET50

Tire Sizes

F:
245/35-20
R:
295/30-20

Scoring

9.1
Ease of fit9
Performance8.5
Tire Availability10

Fitment Overview

Offering GT4 tire widths for your car. Some fitment checking is required to ensure clearance for the 11" rear wheel, but the payoff is the widest OEM tire available for this chassis and its available tire models.

Fitment Notes

  • Staggered - This fitment features wider wheels and tires on the rear of the car.

  • OEM front strut mount location will likely need to be adjusted to add negative camber

  • The ability to run the 20x11” ET50 rear wheel is limited by which rear shock your car is equipped with. Read about the specifics HERE.

Tire Information

Recommended size
F:245/35-20
R:295/30-20
Show popular tire models
Available in this fitment

NaN/2

Hardcore Track Wheel Fitment

Track focused fitments that require significant modifications

These wheel and tire configurations are best suited for hardcore track junkies and club racers competing for a spot on the podium.

Hardcore Track

Wheel Sizes

F:
18x9" ET46
R:
18x10.5" ET44

Tire Sizes

F:
245/40-18
R:
275/40-18

Scoring

8.4
Ease of fit8
Performance9
Tire Availability7

Fitment Overview

Our track first 18" fitment, perfect for those who trailer their track or race cars wanting to run anything from Extreme performance summer to proper slick tires. A fitment where the mods to make the fitment may need are likely already done.

Fitment Notes

  • Staggered - This fitment features wider wheels and tires on the rear of the car.

  • OEM front strut mount location will likely need to be adjusted to add negative camber

  • 5mm Rear spacer may be required to clear strut depending on options. Read about the specifics HERE.

Tire Information

Recommended size
F:245/40-18
R:275/40-18
Show popular tire models
Alternative size
F:265/35-18 R:295/35-18
  • Front Camber Plates required

  • Rear fender rolling may be required

  • Tire setup not suggested if 5mm rear spacer is required for 18x10.5” wheel fitment.

Show popular tire models
F:240/650-18 R:280/660-18
  • Front Camber Plates required

  • Rear Camber Plates may be required

Show popular tire models
Available in this fitment

NaN/5

Hardcore Track

Wheel Sizes

F:
19x9" ET50
R:
19x10.5" ET44

Tire Sizes

F:
255/35-19
R:
285/35-19

Scoring

8.1
Ease of fit9
Performance9.5
Tire Availability4

Fitment Overview

The wider 19" tire fitment with the popular performance street and track wheel sizes for those moving into a more dedicated use case. potential modification are required for the go to tire fitment, but they are something you will likely adding already once you have progressed to a hardcore track setup.

Fitment Notes

  • Staggered - This fitment features wider wheels and tires on the rear of the car.

  • OEM front strut mount location will likely need to be adjusted to add negative camber

Tire Information

Recommended size
F:255/35-19
R:285/35-19
Show popular tire models
Alternative size
F:245/35-19 R:275/35-19
  • Shorter overall tire heights

Show popular tire models
Available in this fitment

NaN/5

Hardcore Track

Wheel Sizes

F:
19x9" ET50/ET48
R:
19x11" ET48

Tire Sizes

F:
265/35-19
R:
295/35-19

Scoring

7.5
Ease of fit7
Performance10
Tire Availability1

Fitment Overview

The widest rear wheel we offer for the 718 platform. It is not a bolt on solution but the required mods are generally already on dedicated track cars. Offers the most sidewall support for the wider track tires commonly used here.

Fitment Notes

  • Toe Links Required - Aftermarket (Porsche Motorsport or Tarett Motorsport-Style) rear toe links required.

  • Camber Plates - This fitment requires aftermarket adjustable camber plates.

  • Dual offset - These wheels are available in multiple offsets. They are close enough to interchange, but wheel fitment may be slightly affected by substitution.

  • Staggered - This fitment features wider wheels and tires on the rear of the car.

  • Not for select OEM rear shocks, Read about the specifics HERE.

Tire Information

Recommended size
F:265/35-19
R:295/35-19
  • Rear Camber plates may be required

Show popular tire models
Alternative size
F:255/650-19 R:295/680-19
  • Front Camber Plates required

  • Rear Camber Plates required

Show popular tire models
Available in this fitment

NaN/4

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