Alfa Romeo Giulia 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
205/60 R16
225/55 R16
225/50 R17
225/45 R18
225/45 R18
255/40 R18
225/40 R19
225/40 R19
255/35 R19
(*) Pressures suitable for all types of tyres (summer and winter)
182
Unladen/medium load
Front
(*)
2.7 (39.2 psi) 2.9 (42.2 psi)
2.2 (31.9 psi) 2.4 (34.8 psi)
(*)
2.2 (31.9 psi) 2.4 (34.8 psi)
(*)
2.2 (31.9 psi) 2.4 (34.8 psi)
2.0 (29 psi)
— 2.2 (31.9 psi)
2.4 (34.8 psi) 2.6 (37.7 psi)
2.4 (34.8 psi)
— 2.3 (33.4 psi)
Rear Front
(*)
2.7 (39.2 psi)
2.7 (39.2 psi)
(*)
2.7 (39.2 psi)
(*)
2.7 (39.2 psi)
— 2.4 (34.8 psi)
—
2.7 (39.2 psi)
— 2.7 (39.2 psi)
—
Full load
Rear
(*) (*)
2.9 (42.2 psi)
3.0 (43.5 psi)
(*) (*)
3.0 (43.5 psi)
(*) (*)
3.0 (43.5 psi)
—
2.6 (37.7 psi)
3.0 (43.5 psi)
—
2.9 (42.2 psi)