Porsche 911 2018 Tire Pressures: Find Correct Tire Pressures by Trim & Size
Looking for the right tire pressures for your 2018 Porsche 911? We've put together a comprehensive list of tire pressures for every trim and tire size to ensure you're driving with optimal performance and safety.
Porsche 911 2018 Tire Pressures By Trim
Porsche 911 models manufactured in 2018 came in various trims, each equipped with specific tire sizes. Check out the recommended tire pressures below. We've also listed optional tires for your convenience. For additional details, refer to your vehicle owner's manual!
Carrera Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
FRONT
235/40ZR19 (Y)
34.0
-
REAR
295/35ZR19 (Y)
-
43.0
REAR
305/30ZR20 (Y)
-
44.0
FRONT
245/35ZR20 (Y)
34.0
-
Carrera 4 Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
REAR
295/35ZR19 (Y)
-
43.0
FRONT
235/40ZR19 (Y)
34.0
-
FRONT
245/35ZR20 (Y)
34.0
-
REAR
305/30ZR20 (Y)
-
44.0
Carrera 4 GTS Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
REAR
305/30ZR20 (Y)
-
44.0
FRONT
245/35ZR20 (Y)
34.0
-
Carrera 4S Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
REAR
305/30ZR20 (Y)
-
44.0
FRONT
245/35ZR20 (Y)
34.0
-
Carrera GTS Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
REAR
305/30ZR20 (Y)
-
44.0
FRONT
245/35ZR20 (Y)
34.0
-
Carrera S Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
FRONT
245/35ZR20 (Y)
34.0
-
REAR
305/30ZR20 (Y)
-
44.0
Carrera T Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
REAR
305/30ZR20 (Y)
-
44.0
FRONT
245/35ZR20 (Y)
34.0
-
GT2 RS Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
FRONT
265/35ZR20 (Y)
29.0
-
REAR
325/30ZR21 (Y)
-
33.0
GT3 Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
FRONT
245/35ZR20 (Y)
29.0
-
REAR
305/30ZR20 (Y)
-
33.0
REAR
305/30ZR20 (Y)
-
33.0
FRONT
245/35ZR20 (Y)
29.0
-
Targa 4 Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
REAR
295/35ZR19 (Y)
-
43.0
FRONT
235/40ZR19 (Y)
34.0
-
FRONT
245/35ZR20 (Y)
34.0
-
REAR
305/30ZR20 (Y)
-
44.0
Targa 4 GTS Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
REAR
305/30ZR20 (Y)
-
44.0
FRONT
245/35ZR20 (Y)
34.0
-
Targa 4S Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
FRONT
245/35ZR20 (Y)
34.0
-
REAR
305/30ZR20 (Y)
-
44.0
Turbo Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
FRONT
245/35ZR20 (Y)
37.0
-
REAR
305/30ZR20 (Y)
-
47.0
REAR
305/30ZR20 (Y)
-
47.0
FRONT
245/35ZR20 (Y)
37.0
-
Turbo S Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
REAR
305/30ZR20 (Y)
-
47.0
FRONT
245/35ZR20 (Y)
37.0
-
FRONT
245/35ZR20 (Y)
37.0
-
REAR
305/30ZR20 (Y)
-
47.0
Turbo S Exclusive Series Trim:
Front or Rear
Tire
Front (psi)*
Rear (psi)*
FRONT
245/35ZR20 (Y)
37.0
-
REAR
305/30ZR20 (Y)
-
47.0
Tire Pressures by Size for Porsche 911 2018
Here, you'll find detailed information on tire pressures organized by tire size. It's essential to ensure your vehicle's tires are properly inflated for top performance and safety on the road. Don't want to pay for air for your tires? Use our search tool to find a free air pump near you.
Tire
Front (psi)*
Rear (psi)*
325/30ZR21 (Y)
-
33.0
265/35ZR20 (Y)
29.0
-
305/30ZR20 (Y)
-
33.0
245/35ZR20 (Y)
29.0
-
295/35ZR19 (Y)
-
43.0
235/40ZR19 (Y)
34.0
-
* This information is gathered from third-party sources and is provided solely for informational purposes. It is presented on an "as is" basis. FreeAirNear.me does not guarantee or make any assurances regarding the accuracy or reliability of this information. Always refer to your vehicle's owner's manual for additional guidance.
When you take a quick look at a tire sidewall, the sequence of numbers and letters might seem mysterious, but they actually communicate crucial details about the tire's specifications. Let's break down the sample tire size 235/40ZR19 (Y) to uncover its significance.
Width: 235
The first number, 235, denotes the width of the tire in millimeters. In this case, the tire's width spans 235 millimeters from one sidewall to the other.
Profile: 40
Following the width is the aspect ratio, represented by the number 40. This figure indicates the height of the tire's sidewall as a percentage of its width. In our example, the sidewall height is 40% of the tire's width.
Rim Size: 19
The next number, 19, specifies the diameter of the wheel rim in inches that the tire is designed to fit. Therefore, this tire is intended for a 19-inch diameter rim.
Speed Index: (Y)
Finally, the letter (Y) indicates the tire's speed rating, signifying its capability to endure speeds of over 186 miles per hour or 300 kilometers per hour, following industry standards.
Below, you will find a table with commonly used speed ratings: