Attn Wheel & Tires Guru's: Pontiac wheel question

[Tail_Gunner]

Mrs TG's 08 Pontiac G6 is going to need new tires before the snow flies. I've been shopping, but the price of 17" tires is nuts. I looked at the cost of 16" tires in comparison and they are MUCH LESS than 17's.

So what I've been thinking of doing is putting 16" wheels & tires on it and selling the 17" wheels. I can almost buy a set of 16" wheels & tires for the price of 17" tires alone. I'm sure I can find a 16" tire with the same overall rolling diameter as the 17's. Over the life of the car, I can save hundreds of dollars by getting 16" tires instead of 17".

So my question is this: will a set of 16" wheels for a 2006 Pontiac G6 fit a 2008 Pontiac G6? There are no clearance issues around the caliper, gobs of space. I think we have a few tires guys aound here, input appreciated. Thanks

 

[JLDickmon]

I'd think so

lemme ask you this..
are you against a summer set and a winter set?

 

[Tail_Gunner]

We're thinking all season radials.
Not too concerned with ultra-high summer performance.

 

[JLDickmon]

225/50R17's?

 

[Tail_Gunner]

Currently there are 225/50r17 on it. Replacements from what the tire dealerships tell me, cost about $150 each plus tax and all the fees. Hell, the tires on my truck didn't cost much different than that.

I'd like to get some 16's on it. I can get some real decent tires for about half that or less.

It's the rims I'm wondering about. Whenever you go to a rim website and punch in 2008, all the choices come up 17" or 18". The 2006 G6 had 16's, but I'd like some sort of confirmation they'll fit a 2008.

 

[JLDickmon]

I did some looking..
they did a brake upgrade mid-year (sound familiar?)
if it's got 10.8" brake rotors on it, 16's will fit.
if it's the later, 11.6" rotor, 16's are a no-joy...

 

[iracemine]

oh and offset too. make sure there the same or at least similar so you dont rub. and obvious lug pattern.

diff trim levels in my race car have diff lug patterns

 

[02SilverStroke]

You also have to look at the height/circumference of the tires. They need to be the same or your speedometer will be off.

 

[Tail_Gunner]

I did some looking..
they did a brake upgrade mid-year (sound familiar?)
if it's got 10.8" brake rotors on it, 16's will fit.
if it's the later, 11.6" rotor, 16's are a no-joy...

Are the lug pattern/size the same? The current 17" rims have almost 2" of clearance between the caliper and the rim, enough for a rim only 1" smaller in diameter.

 

[Tail_Gunner]

You also have to look at the height/circumference of the tires. They need to be the same or your speedometer will be off.

I'm looking at some 225/55R16. According to the tire spec's web site I was looking at, diameter was only .1" off, not enough to be noticable in any tangible way.

The width was maybe .5" narrower, which will be better in snow/ice.