Alfa Romeo STELVIO 949 Owner's Handbook Manual page 184

COLD TYRE INFLATION PRESSURE
When the tires are warm, the inflation pressure should be + 0.3 bar (4.4 psi) in relation to the recommended figure. However, recheck
that the value is correct with the tyre cold.
If it is necessary to raise the vehicle, refer to the "Raising the vehicle" paragraph in the "In an emergency" chapter.
2.0 T4 MAir and 2.2 JTD engines
Tyres
225/65 R17
235/65 R17
235/60 R18
235/55 R19
255/45 R20
195/75 18
(Space-saver wheel)
(*) Suitable pressures for all types of tyres (summer and winter)
182
Unladen/medium load
Front
2.1 (30.5 psi) 2.3 (33.4 psi)
(*)
2.1 (30.5 psi) 2.3 (33.4 psi)
(*)
2.1 (30.5 psi) 2.3 (33.4 psi)
2.1 (30.5 psi) 2.3 (33.4 psi)
2.1 (30.5 psi) 2.3 (33.4 psi)
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Rear Front
2.3 (33.4 psi)
(*)
2.3 (33.4 psi)
(*)
2.3 (33.4 psi)
2.3 (33.4 psi)
2.3 (33.4 psi)
3.0 (43.5 psi)
Full load
Rear
2.6 (37.7 psi)
(*) (*)
2.6 (37.7 psi)
(*) (*)
2.6 (37.7 psi)
2.6 (37.7 psi)
2.6 (37.7 psi)