Opel Automobile Owner's Manual page 151

Model Wheelbase
Van Long
Kerb weight and gross vehicle weight increase on models fitted with bad road equipment package - refer to VIN plate.
11)
Roof Payload Class
Standard 1200
High 1200
Technical data
Engine Kerb weight
F4R 1660
F9Q 1676
M9R 1724
G9U 1772
F4R 1745
F9Q 1761
M9R 1810
G9U 1860
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11)