Toyota · Proace City · Front
Front axle PSI and bar on the Toyota Proace City
- Drivetrain
- front-wheel drive
- Body
- light commercial
- PSI F / R
- 35-45 / 45-65
- Bar F / R
- 2.4-3.1 / 3.1-4.5
psi front
40
2.76 bar · 276 kPa at the steering axle
35-45 psi F · 45-65 psi R · 2.4-3.1 / 3.1-4.5 bar · 276/379 kPa
The front axle of a Toyota Proace City steers and, on front-wheel drive cars, often pulls as well. Catalogue front pressure is 35-45 psi / 2.4-3.1 bar. Size estimates on this page include 255/65R17, LT245/75R16 and LT265/70R17 — interpolated from the catalogue midpoint, not a second factory sticker.
Toyota Proace City placard versus sidewall
Sidewall PSI is a carcass maximum. Recommended operating pressure for this Proace City is the pillar sticker, near 40/55 psi.
Estimated pressure by tyre size (255/65R17 and others)
If your Toyota Proace City no longer wears the OEM diameter, start at the row nearest 255/65R17 or LT245/75R16 and confirm with the tyre maker’s load table.
| Tyre size | Front PSI | Rear PSI | Front bar | Rear bar | Front kPa | Rear kPa | Note |
|---|---|---|---|---|---|---|---|
| 255/65R17 | 43 | — | 2.96 | — | 296 | — | Highway 17-inch |
| LT245/75R16 | 48 | — | 3.31 | — | 331 | — | LT-metric, higher load |
| LT265/70R17 | 48 | — | 3.31 | — | 331 | — | LT 17-inch |
| 245/70R16 | 42 | — | 2.9 | — | 290 | — | Common 16-inch all-terrain |
| 265/70R17 | 43 | — | 2.96 | — | 296 | — | Typical 17-inch load tyre |
| 285/70R17 | 44 | — | 3.03 | — | 303 | — | Wide all-terrain |
| 275/65R18 | 43 | — | 2.96 | — | 296 | — | Plus-size 18-inch |
| 235/75R15 | 41 | — | 2.83 | — | 283 | — | Older compact truck |
Pressure against load
Load moves the rear of a light commercial first. If the factory placard already has a “laden” column, use that instead of these sketches.
| Condition | Front (est.) | Rear (est.) |
|---|---|---|
| Driver only | 40 psi / 2.76 bar | 55 psi / 3.79 bar |
| Full occupancy | 41 psi / 2.83 bar | 57 psi / 3.93 bar |
| Motorway + luggage | 42 psi / 2.9 bar | 59 psi / 4.07 bar |
Steering feel on the Proace City lives on this axle. Do not drop front pressure to “soften” a plus-size LT265/70R17; you will roll the sidewall in a roundabout.
How to set the Proace City
- Measure before the school run, not after the M25.
- Write LF / RF / RR / RL. Do not keep Proace City numbers in your head.
- Add air in short bursts toward 40 psi (2.76 bar) front and 55 psi rear.
- If one corner is 4 psi down, hunt for a nail before you blame the weather.
- Log date, ambient temperature and the four readings.
PSI, bar and kPa
PSI-led conversions for the Toyota Proace City band (35-45 / 45-65).
| PSI | Bar | kPa |
|---|---|---|
| 35 | 2.41 | 241 |
| 36 | 2.48 | 248 |
| 38 | 2.62 | 262 |
| 40 | 2.76 | 276 |
| 44 | 3.03 | 303 |
| 45 | 3.10 | 310 |
| 50 | 3.45 | 345 |
| 55 | 3.79 | 379 |
| 60 | 4.14 | 414 |
| 65 | 4.48 | 448 |
Temperature drift
Roughly 1 psi per 5–6 °C. The table uses 40 psi as a 20 °C baseline for this Proace City.
| Ambient | Gauge (front mid) | Bar | kPa | Note |
|---|---|---|---|---|
| −5 °C (hard frost) | 37 psi | 2.55 bar | 255 kPa | Gauge reads low; do not overfill once warm |
| 0 °C | 38 psi | 2.62 bar | 262 kPa | Gauge reads low; do not overfill once warm |
| 8 °C (UK winter morning) | 39 psi | 2.69 bar | 269 kPa | Gauge reads low; do not overfill once warm |
| 20 °C (set cold here) | 40 psi | 2.76 bar | 276 kPa | Baseline |
| 30 °C | 42 psi | 2.9 bar | 290 kPa | Do not bleed a hot tyre |
| 38 °C (heatwave tarmac) | 43 psi | 2.96 bar | 296 kPa | Do not bleed a hot tyre |
Toyota notes
Toyota trucks print front and rear separately more often than cars. A roof box on a RAV4 is a load condition, not a forum “add 5 psi” rule.
Spare and inflator kit
A matching full-size spare on the Toyota Proace City usually follows the higher axle (often the rear, near 45-65 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 Toyota sticker and this page disagree, the sticker wins.
Other Toyota models
Questions about this Proace City
What is that in bar and kPa for the Proace City?
Mid-points are about 2.76 bar (276 kPa) front and 3.79 bar (379 kPa) rear.
Is the sidewall number correct on a Toyota Proace City?
No. Sidewall PSI is a maximum. The Proace City placard is the operating target, near 35-45/45-65 psi.
What PSI if I plus-size toward LT265/70R17?
Keep load index at or above OEM. Low-profile sizes usually stay at or slightly above the placard. Use 255/65R17, LT245/75R16 and LT265/70R17 as a planning band.
When does TPMS warn on a Toyota Proace City?
Direct TPMS typically flags about 25% below placard — near 30 psi on this row. Fill to the sticker, not to the lamp.
What tyre pressure should a Toyota Proace City use?
Catalogue reference is 35-45 psi front and 45-65 psi rear (2.4-3.1 / 3.1-4.5 bar), cold. Confirm on the door-pillar placard.
Handbook: placard · bar vs PSI · front vs rear · cold inflation