What is the recommended tire pressure for a 2018 Acura MDX?

The 2018 Acura MDX uses 35 PSI cold on the front axle and 35 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 2018 Acura MDX use?

The standard (base trim) tire size for the 2018 Acura MDX is 245/55R19. 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 2018 Acura MDX tire pressure to bar?

35 PSI = 2.4 bar (front) and 35 PSI = 2.4 bar (rear). In kPa: 241 kPa front and 241 kPa rear. Multiply PSI × 0.0689 to convert to bar.

Why are the front and rear tire pressures the same on the 2018 Acura MDX?

The 2018 Acura MDX uses equal pressure front and rear (35 PSI). The vehicle's weight distribution and symmetric tire sizing mean both axles carry similar loads per tire.

What happens if the 2018 Acura MDX tires are underinflated?

Running 5+ PSI low on the Acura MDX 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.

2018 Acura MDX Tire Pressure

OEM cold pressure spec — verified for the 2014–2021 generation

Recommended cold pressure (PSI)

Front

2.4 bar · 241 kPa

Rear

2.4 bar · 241 kPa

Tire size

245/55R19

Curb weight

1,995 kg

Front axle load

56%

Customize for your load & driving style

Pre-filled with Acura MDX specs. Adjust weight or style below.

Recommended COLD pressure

24.7 / 22 PSI

Front (cold): 24.7 PSI(1.71 bar)
Rear (cold): 22 PSI(1.52 bar)
Front (hot est.): 27.2 PSI
Rear (hot est.): 24.2 PSI

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

Other Acura MDX years

2021 MDX 2020 MDX 2019 MDX 2017 MDX 2016 MDX 2015 MDX All years →

FAQ — 2018 Acura MDX

What is the recommended tire pressure for a 2018 Acura MDX?: The 2018 Acura MDX uses 35 PSI cold on the front axle and 35 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 2018 Acura MDX use?: The standard (base trim) tire size for the 2018 Acura MDX is 245/55R19. 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 2018 Acura MDX tire pressure to bar?: 35 PSI = 2.4 bar (front) and 35 PSI = 2.4 bar (rear). In kPa: 241 kPa front and 241 kPa rear. Multiply PSI × 0.0689 to convert to bar.
Why are the front and rear tire pressures the same on the 2018 Acura MDX?: The 2018 Acura MDX uses equal pressure front and rear (35 PSI). The vehicle's weight distribution and symmetric tire sizing mean both axles carry similar loads per tire.
What happens if the 2018 Acura MDX tires are underinflated?: Running 5+ PSI low on the Acura MDX 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.