Vauxhall ASTRA Owner's Manual page 346

Installation dimensions
of trailer towing equipment
with detachable coupling ball
bar, Astra TwinTop
All measurements refer to Vauxhall-
approved towing equipment.
Dimension mm
A 68.8
570.0
B
515.0
C
485.0
D
93.5
E
288.0
F
245.0
G
9
Warning
Only use towing equipment approved for
your vehicle. We recommend entrusting
retro-fitting of towing equipment to your
Vauxhall Authorised Repairer.
Technical data 341