Cheap isn't always best. I think Gordion charge £7.50 per person on the shuttle and £35 for two people on the personal transport and I'm going for the latter from now on. I cannot be bothered with waiting around, dropping off and picking up people that happens on the shuttle. Another company once wanted to pick us up in Altinkum 6 hrs before my flight!
We always use a private transfer now. It's the luxury of getting straight out onto the road, without having to wait for other passengers leaving the airport and having a lengthy journey with other drop offs or collections. We have used another firm that is often mentioned on this forum. But after last year when we were taken out to Yesilkent passing our apartment in Altinkum and then had to be brought back into Altinkum, we decided enough is enough and private transfer is the only way for us.
Ince Kar was the firm we used when we were out at the beginning of May. We were very impressed by the careful driver, clean new car and the fact there were cold beers, water and soft drinks offered to us. Another firm does advertise cold / hot drinks offered in the price, but they never materialised when we were picked up.
The charge was £30 for up to 4 adults. We will be using Ince Kar in June and then September. The charge for 6 of us in September (4 adults and 2 children) will be £35. There is no charge for the 3 year old, but £5 for the 7 year old.