Made to wait nearly three hours in the cold to pick up the car. Simply awful.

Green motion car rental in London is a scam. We booked a vehicle but was upsold to another vehicle , with constant pestering of selling insurance. In the end , we took the cheaper insurance option but they claimed that damage was found and force a claimant of another 200-300 pounds for damage. Utter disgrace company and will never go back again.

I booked a Ford Fiesta or similar, but got a Kia Picanto. In my opinon this is a smaller class of car. the instructions said their was a hopper bus from T5. i was unable to find one, rang the hotel to confirm which bus, only to be advised there was no hopper bus from T5 and that I would need to catch the free bus to T4 and then get a hopper bus. After flying for 24 hours this wasn't want I wanted to hear or do, so I caught an uber which was an unexpected expense. The wait time to pick up up the car was terrible, long queue, must haev taken almost an hour. Got hit with a GBP270 repair bill for a scratch on the bottom of the bumper, that really topped of my hire expereince.

The longest wait and an error on my part cost me 4 times the original quote but there was no compromise on their part.

Car category I booked was not even available at the location. Told by counter staff go and complain to ACE. Given a completely unsatisfactory vehicle instead.

ACE London Heathrow branch is actually Greenmotion company which I believe they are partner and Greenmotion run service for the ACE. Therefore the service is similar to Greenmotion. One thing incorrect is I did have to pay for shuttle bus fee, which did not correspond to the voucher mentioned shuttle bus paid.