Mantis Cars Prestige. You're in Good Hands. An AA approved dealer, Trading Standards Buy With Confidence member & a finalist at Autotrader's 2018 awards. Please take a minute to read our fantastic reviews on AutoTrader, Facebook & Google. Every vehicle is fully prepared aesthetically & mechanically; subject to a 100 point check, HPI Clear & offered with a 6 month award winning warranty as standard (option to extend up to 3 yrs). We are located in a beautiful rural setting on the outskirts of Colchester, Essex - Conveniently reached by road (via a12), train (Colchester North Station) or air (Stansted Airport approx. 45 mins). We offer a complimentary collection service from these airports/stations.