I'm looking to hire a estate vechicle from Glasgow airport on 9th August until 11th August there will be 4 of us and really need a estate car as we have wedding outfits

There are lots of hire cars at the Airport, so best to check online and see which one ls the cheapest for your available days.
l do know Europcar has estates, but no idea of prices.

While I sincerely hope that you get what you're looking for, and Louisa's advice seems best so far, with the best will in the world, as with the thread about blocked the shower maybe you'd get more suggestions if you put your query in Advice.

Open-top Charabanc is more fun.

Enterprise are good.

Might be worth calling the branch directly. Some branches will do almost anything to beat a competitor's price.