Generally, the worst issue you will cause by changing the size is an inaccurate speedometer. That said, the only dimensions you can change are the width and aspect ratio — never the wheel size, unless you buy replacement wheels — and you should always strive to keep the total height of the tire the same as the OEM.
What size tires do I need for a 2012 Ford Focus?
Option Size Original Tire
------------------------- ------------------- -------------------------------------------------------
S 195/65R15 Continental ContiProContact
SE 215/55R16 Continental ContiProContact
SE Sedan w/ SFE Pkg. 215/55R16 Continental ContiTouringContact AS
SE w/ Sport Pkg. Optional 215/55R16 215/50R17 Continental ContiProContact Continental ContiProContact
What size tires are on a 2012 Ford Focus Titanium?
P215/50R17
How much do new tires for a Ford Focus cost?
Regular Ford Focus tires are priced between $150 - $350 per tire, however, High-performance tires can cost anywhere between well over $500.
Can I install different size tires?
Wheels and tires are not interchangeable words. Tires are a part of the wheel setup. For instance, your vehicle has a set size of rims, but you can buy different sizes of tires to fit those rims, as long as the middle of the tires is the correct size.Apr 13, 2020
Can you mix tire sizes?
Different tire sizes, tire brands, and tire styles should never be mixed on the same axle. Tires of different sizes can be mounted on the front and rear axles if approved by the vehicle manufacturer.
Do all 4 tires have to be the same size?
It should go without saying, but all wheel drive and four wheel drives vehicles should have the same tire size on all four wheels. Having different sizes on some four wheel and all wheel drive vehicles can actually do damage to the vehicle. ... Even then, the two tire sizes are nearly identical in diameter.