
About Vauxhall Signum
Please find below some useful information about the correct tyre pressure for your Vauxhall Signum. It is important to note that this information is intended as a guide only, and the most accurate listing of the tyre pressures for your vehicle can be found on the tyre pressure placard that is attached to your vehicle.
Vauxhall Signum recommended tyre pressure can be found on a tyre placard on the side of driver’s door or door jam, on the fuel door or in the owners manual. Tyre inflation will be listed in psi (pounds per square inch), bar or kPa (kilopascals).
Vauxhall Signum Tyre Pressures
Checking regularly all tyres on your Vauxhall Signum, including your spare tyre, once a month or before a long trip is recommended.
Pressure Data
| Model / Engine | Tyre Size | Front tyre pressure | Rear tyre pressure |
| Vauxhall Signum 1.8 | 215 50 R17 91W | 29 | 32 |
| Vauxhall Signum 1.8 | 215 55 R16 93H | 29 | 32 |
| Vauxhall Signum 1.8 | 225 45 R17 91W | 29 | 32 |
| Vauxhall Signum 1.8 | 225 45 R18 91W | 29 | 32 |
| Vauxhall Signum 1.8 | 235 35 R19 91W XL | 38 | 33 |
| Vauxhall Signum 2.0 DTI | 215 50 R17 91W | 32 | 32 |
| Vauxhall Signum 2.0 DTI | 215 55 R16 93H | 32 | 32 |
| Vauxhall Signum 2.0 DTI | 225 45 R17 91W | 32 | 32 |
| Vauxhall Signum 2.0 DTI | 225 45 R18 91W | 32 | 32 |
| Vauxhall Signum 2.0 DTI | 235 35 R19 91W XL | 38 | 33 |
| Vauxhall Signum 2.0 Turbo | 215 50 R17 91W | 33 | 33 |
| Vauxhall Signum 2.0 Turbo | 215 55 R16 93V | 33 | 33 |
| Vauxhall Signum 2.0 Turbo | 225 45 R17 91W | 33 | 33 |
| Vauxhall Signum 2.0 Turbo | 225 45 R18 91W | 33 | 33 |
| Vauxhall Signum 2.0 Turbo | 235 35 R19 91W XL | 38 | 33 |
| Vauxhall Signum 2.2 | 215 50 R17 91W | 32 | 32 |
| Vauxhall Signum 2.2 | 215 55 R16 93V | 32 | 32 |
| Vauxhall Signum 2.2 | 225 45 R17 91W | 32 | 32 |
| Vauxhall Signum 2.2 | 225 45 R18 91W | 32 | 32 |
| Vauxhall Signum 2.2 | 235 35 R19 91W XL | 38 | 33 |
| Vauxhall Signum 3.0 V6 CDTI | 215 50 R17 95W XL | 39 | 35 |
| Vauxhall Signum 3.0 V6 CDTI | 215 55 R16 93V | 38 | 33 |
| Vauxhall Signum 3.0 V6 CDTI | 225 45 R17 94W XL | 41 | 36 |
| Vauxhall Signum 3.0 V6 CDTI | 225 45 R18 95W XL | 39 | 35 |
| Vauxhall Signum 3.2 V6 GTS | 215 50 R17 91W | 38 | 33 |
| Vauxhall Signum 3.2 V6 GTS | 215 55 R16 93W | 38 | 33 |
| Vauxhall Signum 3.2 V6 GTS | 225 45 R17 91W | 38 | 33 |
| Vauxhall Signum 3.2 V6 GTS | 225 45 ZR18 W | 38 | 33 |
| Vauxhall Signum 3.2 V6 GTS | 235 35 ZR19 W XL | 44 | 39 |
How to Check and Maintain the Tyre Pressure on Your Vauxhall Signum Tyre Pressure
- Cool Down: Ensure tyres are cold (driven less than 2 miles).
- Unscrew: Remove the valve cap from the tyre valve.
- Measure: Press your gauge onto the valve stem firmly.
- Compare: Match reading to the table above or your door placard.
- Adjust: Add air if low; release air if high (using the pin in the valve).
- Cap: Replace the valve cap securely.
Understanding the Importance of Proper Tyre Pressure for Your Vauxhall Signum Tyre Pressure
Maintaining the correct tyre pressure is essential for the longevity of your tyres and fuel efficiency. Under-inflated tyres can lead to overheating and premature failure, while over-inflation results in a harsh ride, reduced traction, and uneven tread wear.
Maintaining the Ideal Tyre Pressure for Your Vauxhall Signum Tyre Pressure: Dos and Don'ts
- Do check pressures when tyres are cold (driven less than 2 miles).
- Do use a reliable gauge; gas station gauges can be inaccurate.
- Don't bleed air from hot tyres; pressures naturally rise when driving.
- Don't ignore the spare tyre check.
Winter vs. Summer Tyre Pressures
In winter, for the Vauxhall Signum Tyre Pressure, consider adding 0.2 bar (3 PSI) to the standard pressures if you are using winter tyres, as cold air causes pressure to drop.
5-Point Tyre Safety Check
- Pressure: Check all 4 tyres + spare monthly.
- Condition: Look for cuts, bulges, or embedded objects.
- Tread: Legal minimum is 1.6mm; recommended replacement at 3mm.
- Valves: Ensure caps are tight to prevent dirt ingress.
- Alignment: uneven wear indicates tracking issues.
Frequently Asked Questions
What is the recommended tyre pressure for the Vauxhall Signum Tyre Pressure?
For the Vauxhall Signum Tyre Pressure, the recommended tyre pressure typically ranges between 29 PSI and 44 PSI, depending on the specific trim level and year of manufacture. Always check your door jamb placard for the exact value.
What tyre sizes fit the Vauxhall Signum Tyre Pressure?
Common tyre sizes for the Vauxhall Signum Tyre Pressure include 29. Consult your vehicle's owner's manual for the full range of approved sizes.
How often should I check my Vauxhall Signum Tyre Pressure tyre pressure?
You should check the tyre pressure on your Vauxhall Signum Tyre Pressure at least once a month and before any long journeys. Cold inflation pressure (before driving) provides the most accurate reading.
