Ford Focus Owner's Handbook Manual page 193

Engine oil top up capacities
1.4L Duratec-16V, 1.6L Duratec-16V, 1.6L Duratec-16V Ti-
VCT, 1.8L Duratec-HE and 2.0L Duratec-HE
2.5L Duratec-ST and 2.5L Duratec-RS
1.6L Duratorq-TDCi
1.8L Duratorq-TDCi
2.0L Duratorq-TDCi
Maintenance
Engine
191
Capacity in litres (gallons)
0.7 (0.2)
1.3 (0.3)
1.6 (0.4)
1 (0.2)
1.8 (0.4)