BAIC · Senova X55 · PSI

BAIC Senova X55 tyre PSI

Drivetrain: front-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

A BAIC Senova X55 run at sidewall-max (often 44–51 psi) is over-inflated for this SUV / crossover. The operating PSI is 32-35/32-35. TPMS typically warns near 25 psi (about 25% below target). That is already a soft tyre, not a fill target.

BAIC Senova X55 placard versus sidewall

The tyre-information placard on a BAIC Senova X55 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 BAIC Senova X55 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 (255/50R20 and others)

If your BAIC Senova X55 no longer wears the OEM diameter, start at the row nearest 255/50R20 or 225/60R18 and confirm with the tyre maker’s load table.

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

How to set the Senova X55

Park the BAIC Senova X55 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 front-wheel drive Senova X55 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	35 psi / 2.41 bar	36 psi / 2.48 bar
Motorway + luggage	36 psi / 2.48 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 Senova X55.

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

BAIC notes

No special BAIC exception: the Senova X55 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 BAIC Senova X55 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 BAIC sticker and this page disagree, the sticker wins.

Other BAIC models

Senova X35 BJ30 BJ40 Senova Zhixing Senova X25 Senova D50 BJ80 Beijing X55

Questions about this Senova X55

What is that in bar and kPa for the Senova X55?

Mid-points are about 2.31 bar (231 kPa) front and 2.31 bar (231 kPa) rear.

What tyre pressure should a BAIC Senova X55 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.

What PSI if I plus-size toward 215/70R16?

Keep load index at or above OEM. Low-profile sizes usually stay at or slightly above the placard. Use 255/50R20, 225/60R18 and 215/70R16 as a planning band.

Should I bleed pressure after a motorway run?

No. Heat raises the gauge. Set cold only. Bleeding a hot tyre leaves it low the next morning.

Is the sidewall number correct on a BAIC Senova X55?

No. Sidewall PSI is a maximum. The Senova X55 placard is the operating target, near 32-35/32-35 psi.

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