Yes, it is a Golf but VW stopped calling it the "VW Golf... GTI". Just as VW didn't call the R32 a Golf (although it is based on the VW Golf and has the same shape and many common components).
close the bonnet and then lock the doors
See Q: How do you remove Steering wheel lock VW golf mk2?
where is vw golf gti engine number
Look inside your driver door jam
4x100mm
it depands on the year
yes
Reviews on the VW Golf GTI MK4 can be found on Performance Car, Consumer Reports, Car Guys, Car Advice, Review Centre, Scooby Net, Drive and VW Forum.
the best tutorial i got helped me remove my door panel.try the link below.http://forums.vwvortex.com/zerothread?id=961163HILLMI
Sadly your out of luck, it uses deisel :(
starter relay location