What is the recommended tire pressure for a 2017 Kia Sportage?

The 2017 Kia Sportage uses 33 PSI cold on the front axle and 33 PSI cold on the rear axle. These are the OEM specifications. Always measure tire pressure when the tires are cold — before driving or after sitting for at least 3 hours.

What tire size does the 2017 Kia Sportage use?

The standard (base trim) tire size for the 2017 Kia Sportage is 235/55R18. Higher trim levels and optional packages may use a different size — check the sticker inside your driver's door for the exact specification for your vehicle.

How do I convert the 2017 Kia Sportage tire pressure to bar?

33 PSI = 2.3 bar (front) and 33 PSI = 2.3 bar (rear). In kPa: 228 kPa front and 228 kPa rear. Multiply PSI × 0.0689 to convert to bar.

Why are the front and rear tire pressures the same on the 2017 Kia Sportage?

The 2017 Kia Sportage uses equal pressure front and rear (33 PSI). The vehicle's weight distribution and symmetric tire sizing mean both axles carry similar loads per tire.

What happens if the 2017 Kia Sportage tires are underinflated?

Running 5+ PSI low on the Kia Sportage causes uneven shoulder wear, increased rolling resistance (worse fuel economy), higher tire operating temperature, and reduced wet braking performance. In extreme cases, chronic underinflation can cause sidewall failure. Check pressure monthly and always after a large temperature swing.

What do the numbers in 235/55R18 mean on the 2017 Kia Sportage?

On the 2017 Kia Sportage, 235/55R18 breaks down as: 235 = section width in millimetres (9.25"), 55 = aspect ratio (the sidewall is 55% of the width, so 129.3 mm / 5.09" tall), R = radial construction, and 18 = the wheel diameter in inches.

What is the overall diameter of the 2017 Kia Sportage tires?

The 235/55R18 tire on the 2017 Kia Sportage has an overall diameter of about 28.18" (716 mm) and a rolling circumference of roughly 88.52", giving about 716 revolutions per mile. Fitting a tire with a different diameter will throw off your speedometer and odometer.

2017 Kia Sportage Tire Pressure

OEM cold pressure spec — verified for the 2017–2022 generation.

Recommended cold pressure

Front

33PSI

228 kPa

Rear

33PSI

228 kPa

Tire size

235/55R18

Curb weight

1,590 kg

Front axle

58%

2017 Kia Sportage tire size: 235/55R18

The factory (base-trim) tire size for the 2017 Kia Sportage is 235/55R18. Here is what that size measures out to in the real world — useful when comparing replacement tires or checking whether a different size will fit.

Section width

235 mm

9.25"

Aspect ratio

55%

129.3 mm sidewall

Wheel diameter

18"

rim

Overall diameter: 28.18"; 716 mm
Sidewall height: 5.09"; 129.3 mm
Circumference: 88.52"; rolling
Revs / mile: 716; approx.

Staying within ±3% of the 28.18" overall diameter keeps your speedometer accurate. A larger diameter reads slower than your true speed; a smaller one reads faster.

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Recommended COLD pressure

23.3 / 22 PSI

Front (cold): 23.3 PSI(1.61 bar)
Rear (cold): 22 PSI(1.52 bar)
Front (hot est.): 25.7 PSI
Rear (hot est.): 24.2 PSI

Street setting: balanced for comfort, wear, and fuel economy. Always measure cold.

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FAQ

2017 Kia Sportage

What is the recommended tire pressure for a 2017 Kia Sportage?: The 2017 Kia Sportage uses 33 PSI cold on the front axle and 33 PSI cold on the rear axle. These are the OEM specifications. Always measure tire pressure when the tires are cold — before driving or after sitting for at least 3 hours.
What tire size does the 2017 Kia Sportage use?: The standard (base trim) tire size for the 2017 Kia Sportage is 235/55R18. Higher trim levels and optional packages may use a different size — check the sticker inside your driver's door for the exact specification for your vehicle.
How do I convert the 2017 Kia Sportage tire pressure to bar?: 33 PSI = 2.3 bar (front) and 33 PSI = 2.3 bar (rear). In kPa: 228 kPa front and 228 kPa rear. Multiply PSI × 0.0689 to convert to bar.
Why are the front and rear tire pressures the same on the 2017 Kia Sportage?: The 2017 Kia Sportage uses equal pressure front and rear (33 PSI). The vehicle's weight distribution and symmetric tire sizing mean both axles carry similar loads per tire.
What happens if the 2017 Kia Sportage tires are underinflated?: Running 5+ PSI low on the Kia Sportage causes uneven shoulder wear, increased rolling resistance (worse fuel economy), higher tire operating temperature, and reduced wet braking performance. In extreme cases, chronic underinflation can cause sidewall failure. Check pressure monthly and always after a large temperature swing.
What do the numbers in 235/55R18 mean on the 2017 Kia Sportage?: On the 2017 Kia Sportage, 235/55R18 breaks down as: 235 = section width in millimetres (9.25"), 55 = aspect ratio (the sidewall is 55% of the width, so 129.3 mm / 5.09" tall), R = radial construction, and 18 = the wheel diameter in inches.
What is the overall diameter of the 2017 Kia Sportage tires?: The 235/55R18 tire on the 2017 Kia Sportage has an overall diameter of about 28.18" (716 mm) and a rolling circumference of roughly 88.52", giving about 716 revolutions per mile. Fitting a tire with a different diameter will throw off your speedometer and odometer.