Tyres-225/45/17 instead of 225/50/17 ???

[Vx-Mad-G]

Hi all,

I need to change my tyres and thinking of whacking on some winters over the next few months.

Thing is, the 225/50/17 seems such an expensive size. 
Can I change it to 225/45/17..?

If so, any impact to the car, drivability, stability, etc?

It's a 2011, 2.0 Diesel 5 door.

Thanks

[Jopo2311]

I would be more stable
But you would loose a bit of driving comfort and you would make astras already big space between tire and fender more bigger


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[Jerry]

Based on data from the web the original tyres are 215/50R17.
Small differences and like Jopo2311 mentioned impact on driving comfort.
Some numbers:
Circumference (2032 mm - 1993 mm)
Revs per mile (792 - 808)

Link: https://tinyurl.com/ycsnos9v

In our country it's allowed to use dimensions listed in homologation (type approval) card only.

[Big Dave2]

I made a saving of around £15 a corner by simply just changing the speed rating from a 94V to a 94Y when I got new Bridgestone RE050A 250/50/17's recently.

Apparently a Y rating is more common, so it's cheaper than a V rated tyre.

You can go up in a speed rating, but not down from the recommended value.

[johno1412]

personally, i would stick with a 50 profile, i had 45 profile on an Astra coupe and took it up to 50, far more comfortable on British pothole ridden roads.

[Vx-Mad-G]

Thanks guys, im going to stick with the 50's.

They are so flipping expensive. Anyone got a spare set, LOL!.