fitting wider wheels

Depends on which state you are in. In NSW there is a VSI on the RTA website listing the legal modifications, as I would imagine there is in other states.

Pat

Should have added... I'm in Qld

Yeah, went through the same considerations with my 96 GLX.

235/75/15 standard tyres on 15x6 rims, and no flares.
If you look down the side of the car, the back tyres almost come to the edge of the body work.

Road rules require that tyres be inside the body line or covered.

As you say, the GLS has the extra plastic flares, and in our years runs 15x7 rims, but the extra inch is all on the outside of the rim. They run 265/70/15 tyres, and some people upgrade to 31x10.5x15. Later GLS models went to 265/70/16 tyres and 16x7 rims, and larger front disk brakes.

Have seen some people put 31x10.5x15 tyres on 15x7 rims on a GLX, and I used to run them on my 1985 NB. But I think you will find they stick out just past the body. You might get away with it legally, depending on the copper that pulls you over, but I found out west that the stone chips don't make it worthwhile, so I added after market flares to my 85 NB.

I have kept to 235 wide tyres on my 96 GLX.

Going for larger diameter and wider tyres is another story as well. :o)

Sometimes the consideration is not so much what is legal, but rather what is sensible and works well.

If a wider tyre fits well, performs well for your needs and you are satisfied that they are safe, then the only real problem is what effect does this have?

The problem comes if you have comprehensive insurance and try to make a claim... and then the non standard tyres are noticed.

I only ever have third party property insurance because my trucks are not that valuable... probably the same for a 97 Paj? An insurance claim made against your vehicle for damage to another vehicle usually doesn't involve an inspection of your vehicle, so the tyres don't effect the outcome.

In Qld the rule is.....15mm larger and 15mm smaller in diameter, so say the plaque says 245/70X16's than the biggest tyre you can legally fit are 255/70X16's. And the insurance companies are right onto to it to.