What is the recommended tire pressure for a 2021 Kia Soul?

The 2021 Kia Soul 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 2021 Kia Soul use?

The standard (base trim) tire size for the 2021 Kia Soul is 215/55R17. 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 2021 Kia Soul 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 2021 Kia Soul?

The 2021 Kia Soul 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 2021 Kia Soul tires are underinflated?

Running 5+ PSI low on the Kia Soul 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 215/55R17 mean on the 2021 Kia Soul?

On the 2021 Kia Soul, 215/55R17 breaks down as: 215 = section width in millimetres (8.46"), 55 = aspect ratio (the sidewall is 55% of the width, so 118.3 mm / 4.66" tall), R = radial construction, and 17 = the wheel diameter in inches.

What is the overall diameter of the 2021 Kia Soul tires?

The 215/55R17 tire on the 2021 Kia Soul has an overall diameter of about 26.31" (668 mm) and a rolling circumference of roughly 82.66", giving about 767 revolutions per mile. Fitting a tire with a different diameter will throw off your speedometer and odometer.

2021 Kia Soul Tire Pressure

OEM cold pressure spec — verified for the 2020–2024 generation.

Recommended cold pressure

Front

33PSI

228 kPa

Rear

33PSI

228 kPa

Tire size

215/55R17

Curb weight

1,385 kg

Front axle

60%

2021 Kia Soul tire size: 215/55R17

The factory (base-trim) tire size for the 2021 Kia Soul is 215/55R17. 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

215 mm

8.46"

Aspect ratio

55%

118.3 mm sidewall

Wheel diameter

17"

rim

Overall diameter: 26.31"; 668 mm
Sidewall height: 4.66"; 118.3 mm
Circumference: 82.66"; rolling
Revs / mile: 767; approx.

Staying within ±3% of the 26.31" overall diameter keeps your speedometer accurate. A larger diameter reads slower than your true speed; a smaller one reads faster.

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Pre-filled with Kia Soul specs. Adjust weight or style below.

Recommended COLD pressure

26.9 / 22 PSI

Front (cold): 26.9 PSI(1.85 bar)
Rear (cold): 22 PSI(1.52 bar)
Front (hot est.): 29.6 PSI
Rear (hot est.): 24.2 PSI

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

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Other Kia Soul years

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FAQ

2021 Kia Soul

What is the recommended tire pressure for a 2021 Kia Soul?: The 2021 Kia Soul 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 2021 Kia Soul use?: The standard (base trim) tire size for the 2021 Kia Soul is 215/55R17. 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 2021 Kia Soul 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 2021 Kia Soul?: The 2021 Kia Soul 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 2021 Kia Soul tires are underinflated?: Running 5+ PSI low on the Kia Soul 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 215/55R17 mean on the 2021 Kia Soul?: On the 2021 Kia Soul, 215/55R17 breaks down as: 215 = section width in millimetres (8.46"), 55 = aspect ratio (the sidewall is 55% of the width, so 118.3 mm / 4.66" tall), R = radial construction, and 17 = the wheel diameter in inches.
What is the overall diameter of the 2021 Kia Soul tires?: The 215/55R17 tire on the 2021 Kia Soul has an overall diameter of about 26.31" (668 mm) and a rolling circumference of roughly 82.66", giving about 767 revolutions per mile. Fitting a tire with a different diameter will throw off your speedometer and odometer.