UK · EU reference Tyre Pressure

225/65R17 · SUV / crossover · Bar

Recommended bar for 225/65R17

Size
225/65R17
Class
SUV / crossover
Planning PSI
34
Planning bar
2.34

bar

2.34

34 psi · 234 kPa · not a second factory sticker

225/65R17 · 34 psi · 2.34 bar · 234 kPa — estimates. Placard wins.

European stickers print bar. 225/65R17 often sits near 2.34 bar on a SUV / crossover (34 psi / 234 kPa). 2.34 bar is not “34 divided by ten”. The default compact-SUV 17-inch. These rows are estimates interpolated for the size, not OEM for a named VIN.

Bar, PSI and kPa

Use the table, then set a cold gauge. 234 kPa is 100 × 2.34 bar on this size.

BarPSIkPa
2.0730207
2.1431214
2.2132221
2.2833228
2.3434234
2.4135241
2.4836248
2.5537255
2.6238262
2.6939269
2.7640276
2.8341283
2.9042290
2.9643296
3.0344303
3.1045310
3.1746317

Estimated 225/65R17 pressure by load

Load moves the rear first on a SUV / crossover. If the factory placard already has a laden column, use that — not this sketch for 225/65R17.

ConditionFront (est.)Rear (est.)
Driver only / unladen34 psi / 2.34 bar / 234 kPa36 psi / 2.48 bar / 248 kPa
Typical occupancy34 psi / 2.34 bar / 234 kPa37 psi / 2.55 bar / 255 kPa
Motorway + luggage (sketch)35 psi / 2.41 bar / 241 kPa38 psi / 2.62 bar / 262 kPa

Placard versus sidewall

If a forum says “all 225/65R17 run 34 psi”, ignore it. A Qashqai and a Golf can share a size and not share a sticker.

What 225/65R17 means

225/65R17 means a 225 millimetre section width, a sidewall that is 65 percent of that width, on a 17-inch rim. The R is radial construction.

The default compact-SUV 17-inch. Rim diameter 17 in; section 225 mm. Estimates on this page assume a typical load index for the SUV / crossover class.

Cars often seen on 225/65R17

These catalogue models are often seen on 225/65R17 or a close OEM neighbour. Open the vehicle chart for axle-specific PSI and bar.

Nissan QashqaiFord KugaHyundai TucsonKia SportageToyota RAV4Mazda CX-5

How to set 225/65R17

  1. Park so the 225/65R17 tyres are cold (three hours, or less than about a mile).
  2. Read the door-pillar placard for that car — not the 225/65R17 sidewall maximum.
  3. If the sticker is missing, 34 psi / 2.34 bar is only a SUV / crossover planning figure for this size.
  4. Set all four with a calibrated gauge. A 3 psi miss on one corner shows up as a wander.
  5. Refit valve caps and reset TPMS if the handbook asks for a relearn.

Temperature drift

Roughly 1 psi per 5–6 °C. The table uses 34 psi as a 20 °C baseline for 225/65R17.

AmbientGaugeBarkPaNote
−5 °C (hard frost)31 psi2.14 bar214 kPaGauge reads low; do not overfill once warm
0 °C32 psi2.21 bar221 kPaGauge reads low; do not overfill once warm
8 °C (UK winter morning)33 psi2.28 bar228 kPaGauge reads low; do not overfill once warm
20 °C (set cold here)34 psi2.34 bar234 kPaBaseline for this size sketch
30 °C36 psi2.48 bar248 kPaDo not bleed a hot 225/65R17
38 °C (heatwave tarmac)37 psi2.55 bar255 kPaDo not bleed a hot 225/65R17

Keep 225/65R17 on the printed band for that car; 34 psi is a size sketch, not a second VIN label.

Questions about 225/65R17

Is the sidewall number correct for 225/65R17?

No. Sidewall PSI or kPa is a maximum for the carcass. Operating pressure is the door-pillar placard.

What is 225/65R17 in bar?

34 psi is 2.34 bar. Add a tenth of a bar if the placard’s laden column is higher, which is common on vans that wear this size.

Is 225/65R17 the same as a plus-size swap?

Only if that is the size you fitted. Overall diameter should stay close to OEM. Pressure still follows the car, with load index at or above original.

What is 225/65R17 in kPa?

234 kPa is the planning midpoint (100 kPa = 1 bar). 241 kPa is one PSI higher.

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.

Handbook: placard · bar vs PSI · cold inflation · all sizes