Which car rental companies are most reliable at Sydney Airport?

[cooper12]

Which car rental companies are the most reliable at Sydney Airport? There seem to be big differences in deposits, fuel policies, and service quality between brands, so I’m trying to figure out which ones are consistently trustworthy.

 

[markis10]

Watch out for the premium location fee, a short trip to another locale in the burbs can reduce this by 25% or more

 

[Mwenenzi]

Which car rental companies are the most reliable at Sydney Airport? There seem to be big differences in deposits, fuel policies, and service quality between brands, so I’m trying to figure out which ones are consistently trustworthy.

Newbie. Written by a bot / AI?
"big differences in ..... service quality between brands" -- How have you measured- quantified that statement?