Opel Automobile Owner's Manual page 156

156 Technical data
Tyre pressures
Tyre
195/65 R16 C
195/75 R16 C
205/65 R16 C
215/65 R16 C
The spare wheel should be set to the highest applicable pressure shown in the table.
16)
Tyre pressure with full load
Front
[kPa/bar] (psi)
340/3.4 (49)
380/3.8 (55)
380/3.8 (55)
310/3.1 (45)
16)
Rear
[kPa/bar] (psi)
370/3.7 (54)
420/4.2 (61)
420/4.2 (61)
340/3.4 (49)