Tire 1 (Original)

/
R
Loading 3D Engine...

Tire 2 (New)

/
R

Comparison Results

SpecificationTire 1 (Original)Tire 2 (New)Difference
Diameter24.88 inches24.75 inches-0.13" (-0.5%)
Width8.07 inches9.65 inches+1.57"
Sidewall4.44 inches3.38 inches-1.06"
Circumference78.16 inches77.76 inches-0.40"
Revs per Mile811815+4
Suspension Clearance--+0.79" closer to suspension
Fender Poke--+0.79" pokes out more
Scrub Radius--No Change
Visual StanceFactoryPokedPoked
Tire StretchAggressive StretchSquare / IdealSquare / Ideal
RPM @ 100 km/h (est.)2500 RPM2513 RPM+1% (Higher Revs)

Speedometer Error

When your speedometer reads 100 km/h, you are actually traveling at 99.49 km/h.

👨‍🔧 Expert Simulation Review

Let's break down what happens when you switch from your original 205/55R16 tires to the new 245/35R18 setup. The new tire has a total diameter of 24.8 inches. This means it is 0.5% shorter than your factory tire. Knowing this size difference is the first step to making sure your new tires won't rub against the car's body when you go over bumps.

Here is the great news: car experts always recommend keeping the size difference under 3%, and your new choice fits right in! Because you are staying within this safe zone, your car's computer, brakes (ABS), and suspension will keep working perfectly, just like they did from the factory.

Because the new tires are a different size, they will spin at a slightly different speed. When your dashboard says you are driving 60 mph, you will actually be going 59.7 mph. Also, when you are cruising on the highway, your engine will run about 1% higher (more RPM) than it used to. It's a good idea to keep this in mind so you don't accidentally get a speeding ticket!

Now, let's talk about how the car will look. Your new wheels are going to stick out 20.0 mm more than before. This gives the car a wide, aggressive "Poked" look that many truck and off-road fans love. Just make sure the tires have enough room to turn without hitting the fenders! Also, because the wheel is pushed out, the steering might feel a little heavier than you're used to.

Finally, looking at how the tire fits on the wheel: you have chosen a "Square" or ideal fitment. The tire width perfectly matches the wheel width. This is the best choice for everyday driving because it protects your wheels from curbs and gives you the safest, most comfortable grip on the road.

Alternate Tire Sizes

Looking to change your wheel size? Here are tire sizes that will keep your speedometer accurate (within 3% of original diameter).