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Tyre Pressure and Technical Data
349
Tyres, rims, tracks
Tyres
Wheel
Rim offset
Track
front/rear
front/rear
front
rear
Summer tyres
255/55 R 18 109 Y XL
1)
8 J x 18
57 mm
1647 mm
1662 mm
275/45 R 19 108 Y XL
9 J x 19
60 mm
1641 mm
1656 mm
275/40 R 20 106 Y XL
9 J x 20
60 mm
1641 mm
1656 mm
275/40 R 20 106 Y XL
9 J x 20/10 J x 20
60 mm/55 mm
1641 mm
1666 mm
295/35 R 21 107 Y XL
10 J x 21
50 mm
1661 mm
1676 mm
295/35 R 21 107 Y XL
10 J x 21
50 mm/45 mm
1661 mm
1686 mm
Winter tyres
255/55 R 18 109 V XL
1)
8 J x 18
57 mm
1647 mm
1662 mm
255/50 R 19 107 V XL
2)
9 J x 19
60 mm
1641 mm
1656 mm
All-Season
255/55 R 18 109 V XL
1)
8 J x 18
57 mm
1647 mm
1662 mm
275/45 R 19 108 V XL
2)
9 J x 19
60 mm
1641 mm
1656 mm
Collapsible spare wheel
195/75 18
6.5 J x 18
53 mm
The load capacity coefficient (e.g.“106”) and maximum speed code letter (e.g.“T”) for permitted top speed are minimum requirements.
When fitting new tyres or changing tyres: Please observe the chapter “
TYRES AND WHEELS”
on Page 285.
Tyre and rim sizes
The authorisation of tyre and rim sizes is granted on the basis of extensive testing.
Your Porsche partner will be pleased to advise you about the current approval status.
By fitting tyres which have been approved by Porsche, you can be sure that you have the best possible tyres for your Porsche.
The 20 inch and 21 inch tyre sizes are designed for on-road use.
1)2)
Snow chains and clearance
Clearance for tyres marked with
1),2)
only when snow chains, part No. 955.044.600.08, are fitted.
Tyres marked with
2)
: fit snow chains on rear axle only
Optimal handling characteristics can be achieved only when snow chains are fitted on all four wheels of the vehicle.
It is also possible to fit snow chains on only one axle (preferably the rear axle). Maximum speed 50 km/h (30 mph). Use only Porsche-
approved fine-link cross-type or edge chains.
Please observe the chapter “
SNOW CHAINS”
on Page 288.