Opel MOKKA Owner's Manual page 207

Capacities
Engine oil
Engine
including Filter [l]
between MIN and MAX [l]
Fuel tank
Engine
Petrol/diesel, refilling quantity [l]
A14NET A16XER
4.5 5.1
1.0 1.0
A14NET A16XER
52 52
Technical data
A18XER A17DTS
4.5 5.4
1.0 1.0
A18XER A17DTS
53 52
205