Vauxhall ASTRA Owner's Manual page 350

Installation dimensions of
trailer towing equipment
with detachable coupling ball
bar, Estate, Van
All dimensions refer to factory-fitted
towing equipment.
Dimension mm
A 84.0
570.0
B
515.0
C
93.5
D
173.0
E
307.6
F
158.0
G
292.6
H
9
Warning
Only use towing equipment approved for
your vehicle. We recommend entrusting
fitting of towing equipment at a later
date to a workshop.
Technical data 349