Pentagon Group You're only a few clicks away from a great deal. We began selling cars and vans way back in 1991 and our mission when we started out is still unchanged today; To make vehicle buying and servicing easy and affordable and to treat people like we would want to be treated. Put simply if you're happy, we're happy. We'll do everything we can to get you the best car or van available at a price you can easily afford and for the whole experience to be as stress-free as possible. We are approved second hand car specialists and stock over 1600 used cars including around 750 used Vauxhall cars. What's more, every Pentagon dealer is also there to take care of all your servicing and maintenance, parts, accident repair and warranty requirements. All this ensures you're guaranteed an exceptional level of service.