Jeep · Grand Cherokee · PSI

Jeep Grand Cherokee tyre PSI

Drivetrain: four-wheel drive
Body: SUV / crossover
PSI F / R: 32-35 / 32-35
Bar F / R: 2.2-2.4 / 2.2-2.4

psi

34 / 34

Catalogue mid-points, front / rear · 2.2-2.4 / 2.2-2.4 bar

32-35 psi F · 32-35 psi R · 2.2-2.4 / 2.2-2.4 bar · 231/231 kPa

If a Grand Cherokee owner asks “what PSI?”, start at 34 at the steering axle and 34 at the rear, then confirm the placard. A 10 °C overnight drop takes roughly 1 psi (0.07 bar) off a closed Jeep tyre. Keep side-to-side spread inside about 2 psi so the four-wheel drive hardware is not working on a radius mismatch.

Jeep Grand Cherokee placard versus sidewall

The tyre-information placard on a Jeep Grand Cherokee sits on the driver’s door pillar (sometimes the fuel-filler flap). Catalogue figures here are a general band: 32-35 / 32-35 psi.

PSI, bar and kPa

PSI-led conversions for the Jeep Grand Cherokee band (32-35 / 32-35).

PSI	Bar	kPa
30	2.07	207
32	2.21	221
33	2.28	228
33.5	2.31	231
35	2.41	241
36	2.48	248
38	2.62	262
40	2.76	276
44	3.03	303
50	3.45	345
60	4.14	414

Estimated pressure by tyre size (245/60R18 and others)

245/60R18 is the first planning size here. 235/65R17 is usually the plus-size or LT step. Keep load index at or above original equipment.

Tyre size	Front PSI	Rear PSI	Front bar	Rear bar	Front kPa	Rear kPa	Note
245/60R18	36	37	2.48	2.55	248	255	Heavier CUV
235/60R18	36	36	2.48	2.48	248	248	Plus-size 18-inch
235/65R17	35	36	2.41	2.48	241	248	Mid-size SUV
255/50R20	37	37	2.55	2.55	255	255	20-inch plus-size
225/65R17	35	35	2.41	2.41	241	241	Very common 17-inch
225/60R18	35	35	2.41	2.41	241	241	Highway CUV
245/55R19	36	36	2.48	2.48	248	248	Low-profile 19-inch
215/70R16	34	34	2.34	2.34	234	234	Compact crossover

How to set the Grand Cherokee

Park the Jeep Grand Cherokee for at least three hours (cold tyres).
Use a calibrated gauge, not the only meter on a forecourt hose.
Set the placard for that axle — about 32-35 psi / 2.2-2.4 bar front and 32-35 psi / 2.2-2.4 bar rear on this catalogue row.
Recheck all four. A 2 psi miss on a four-wheel drive Grand Cherokee is enough to feel a pull.
Refit valve caps and reset TPMS if the handbook asks for a relearn.

Load notes

Load moves the rear of a SUV / crossover first. If the factory placard already has a “laden” column, use that instead of these sketches.

Condition	Front (est.)	Rear (est.)
Driver only	34 psi / 2.34 bar	34 psi / 2.34 bar
Full occupancy	34 psi / 2.34 bar	35 psi / 2.41 bar
Motorway + luggage	35 psi / 2.41 bar	37 psi / 2.55 bar

Temperature drift

Roughly 1 psi per 5–6 °C. The table uses 34 psi as a 20 °C baseline for this Grand Cherokee.

Ambient	Gauge (front mid)	Bar	kPa	Note
−5 °C (hard frost)	31 psi	2.14 bar	214 kPa	Gauge reads low; do not overfill once warm
0 °C	32 psi	2.21 bar	221 kPa	Gauge reads low; do not overfill once warm
8 °C (UK winter morning)	33 psi	2.28 bar	228 kPa	Gauge reads low; do not overfill once warm
20 °C (set cold here)	34 psi	2.34 bar	234 kPa	Baseline
30 °C	36 psi	2.48 bar	248 kPa	Do not bleed a hot tyre
38 °C (heatwave tarmac)	37 psi	2.55 bar	255 kPa	Do not bleed a hot tyre

Jeep notes

No special Jeep exception: the Grand Cherokee uses the door-pillar placard. Size estimates on this page only help if you have left the original load index behind.

Spare and inflator kit

A matching full-size spare on the Jeep Grand Cherokee usually follows the higher axle (often the rear, near 32-35 psi). A space-saver is commonly 60 psi / 4.1 bar — read that tyre’s own sidewall. An inflator kit is not a spare; check the sealant date.

If the Jeep sticker and this page disagree, the sticker wins.

Other Jeep models

Wrangler CJ-7 Liberty CJ-3 CJ-5 Willys Renegade Cherokee

Questions about this Grand Cherokee

What PSI if I plus-size toward 235/65R17?

Keep load index at or above OEM. Low-profile sizes usually stay at or slightly above the placard. Use 245/60R18, 235/60R18 and 235/65R17 as a planning band.

What tyre pressure should a Jeep Grand Cherokee use?

Catalogue reference is 32-35 psi front and 32-35 psi rear (2.2-2.4 / 2.2-2.4 bar), cold. Confirm on the door-pillar placard.

Is the sidewall number correct on a Jeep Grand Cherokee?

No. Sidewall PSI is a maximum. The Grand Cherokee placard is the operating target, near 32-35/32-35 psi.

Front versus rear on the Jeep Grand Cherokee?

This row is 32-35 F / 32-35 R. Even when they match, a laden rear can justify a higher number if the sticker prints one.

When does TPMS warn on a Jeep Grand Cherokee?

Direct TPMS typically flags about 25% below placard — near 25 psi on this row. Fill to the sticker, not to the lamp.

Handbook: placard · bar vs PSI · front vs rear · cold inflation