I have a small Volvo S40 and the joovy caboose ultralite fits in the trunk. I don't know if it would fit in a golf though. I like it because you can get the rear seat to use at first and once your oldest is big enough, it can be used as a sit and stand stroller.
Beecham Antique Style Wooden Small Trunk by Astoria Grand - Wayfair
Founded in 1994, Marni is a small yet iconic maison that offers a restrained yet instantly recognisable aesthetic. Expect colour blocking, unexpected materials and discreet finishes. This small Trunk shoulder bag from Marni is constructed from black, burgundy and petroleum green leather and features a foldover top with clasp closure, gold-tone hardware, a tri-colour design, a pouch pocket, an adjustable shoulder strap, a cotton lining, an internal patch pocket, an internal zipped compartment and a back slip pocket.
Oriental Furniture Lacquer Small Keepsake Trunk & Reviews | Wayfair
HOLD ON TO THAT HOOD! AutoLöc's Trunk/Hood Latch assembly is ideal for custom applications or replacement of factory latches. Heavy duty construction ensures hoods and/or trunks will stay shut once latched. Also features a rotary claw latch, high tension springs and effective safety arm. The solid steel construction and CAD engineering ensure a perfect fit and flawless performance. Backed by a Limited Lifetime Warranty.
Includes a small latch with striker bolt and large latch.
Rhino Armor Small Trunks Multiple Colors Multiple Options - DormSmart