Opel GT Owner's Manual page 179

Tyres
Restricti ons
Tyres of size 245/45 R 18 m ay only be used.
Goodyear Ea gle F1 GS-2 P 245/45
R 18 96 W a nd Bridgestone Potenza
RE050A 245/45 R 18 100 W are
recom mended for this v ehicle. These ty res
have und ergone special tests to establish
their reliability , safety and specific
suitab ility for Opel vehic les.
Not a ll tyres ava ila ble on the market
currently meet the structural requirem ents.
Seek the assistance of a workshop
concerning suitab le ty re ma kes.
Despite continuous ma rk et monitoring, we
are unab le to assess these attributes for
other tyres, ev en if they hav e been g ra nted
approva l by the relevant authorities or in
som e other form.
Further information – see pa ge 125.
Wi nt er tyres 3
Ty res of size 245/45 R 18 are permitted for
use as winter tyres.
Use only specified winter ty res released for
your vehicle. Seek the a ssistance of a
work shop.
Further inform ation – see page 129.
Technical data
Tyre c ha ins 3
Restrict ions
Tyre chains may be used on the rear wheels
only.
We recommend the use of Opel-tested
fine-mesh ty re c hains that add no more
than 11 mm to the tyre tread a nd the
inboard sides (including chain lock).
Further information – see page 129.
Wheels
Wheel bolt tightening torque: 140 Nm.
179