Ford Mustang GT 2013 with 20×9 / 20×10.5-inch KMC KM685 Wheel

About This Ford Mustang GT 2013 Build

We love featuring real builds from real owners. This Ford Mustang GT 2013 sits on a set of 20×9 / 20×10.5-inch KMC KM685 wheels, and the result speaks for itself.

The owner chose KMC for a reason. This brand delivers serious quality and a design language that turns heads at every car meet. We see hundreds of Ford Mustang GT builds come through WheelFront every month, but this one stands out. The combination of the exterior with the KMC KM685 creates a look that balances aggression with elegance.

Fitment Breakdown: KMC KM685 on the Ford Mustang GT 2013

I walked around this Mustang and immediately noticed how the KMC KM685 wheels change the entire profile. We ran a 20x9 up front and a 20x10.5 out back to nail that classic muscle car rake. The 25 offset front and 35 rear push the wheels right to the edge of the fenders.

The 20x10.5 rear barrel gives us that deep, aggressive dish that the S197 platform craves. We checked the caliper clearance and found plenty of room for the stock GT brakes. The hub bore matches up perfectly, so we avoided any vibration issues on the highway.

We dialed in the coilover height to eliminate that ugly factory wheel gap. This drop brings the fender line down to the top of the tire sidewall. It looks mean without turning the car into a total nightmare on speed bumps.

Watch your inner clearance on the rear trailing arms if you go any wider. We found the 35 offset keeps the tire clear of the strut housing. It stays tucked just enough to avoid rubbing during hard cornering.

The spoke design on the KM685 flows well with the sharp lines of the 2013 bodywork. These spokes reach all the way to the rim edge to make the wheels look even bigger. I love how the geometry catches the sunlight as the car rolls past.

Always double-check your alignment after installing a setup like this. A little negative camber keeps the tires from chewing up your fender lips. We spent an hour on the rack to get these specs exactly where they need to be.

What We Recommend for Ford Mustang GT 2013 Owners

If you own an S197 Mustang, stop settling for skinny factory wheels. We always push for a staggered setup to put more rubber on the ground in the back. A 20-inch diameter fills the wheel wells much better than the smaller stock options.

Aim for an offset that sits flush with the quarter panel. We see too many guys buy cheap wheels with the wrong backspacing. You end up with a car that looks like a rollerskate instead of a performance machine.

Don't be afraid to roll your rear fenders if you want a wider tire. We usually suggest a 295 or 305 width in the back for maximum traction. A little fender work gives you that extra room to avoid any rubbing.

Stick to a high-quality coilover kit if you want to keep your ride quality. Cheap springs will ruin the handling and make the car bounce everywhere. Proper damping makes all the difference when you run a low-profile tire.

Avoid using wheel spacers unless you have absolutely no choice. We prefer finding the right offset from the factory to keep the load on your wheel bearings correct. Get it right the first time and your car will thank you.

Style and Build Analysis

The Matte Black finish on these KM685 wheels gives this Mustang a tactical, stealthy vibe. It contrasts perfectly against the glossy paint of the body. You can tell this owner wanted a clean, monochromatic look that ignores all the flashy chrome trends.

The wheel design is simple but sharp, which fits the 2013 design language. The Mustang is a blocky, muscular car and these wheels lean into that strength. They don't try too hard, which is exactly why they look so right.

Proportions are everything when we build a car. By choosing a 10.5-inch width in the rear, we achieved that wide-track look that defined the muscle car era. It looks planted and ready to attack a drag strip or a back road.

I have seen hundreds of builds, but this one keeps things classy. Some people go overboard with giant wings or crazy colors that age poorly. This build relies on high-quality wheels and a proper stance to do the heavy lifting.

The road presence is undeniable when this thing sits at a stoplight. It captures your attention because the wheels fill the arches so completely. It looks like a factory prototype that Ford should have built in the first place.

Why We Love This Build

This Mustang stands out because it strikes the perfect balance between style and aggression. The Matte Black finish absorbs the light, while the 20-inch diameter creates an imposing silhouette against the pavement. We love how the rubber sits flush with the metal, giving the car a hunkered-down look that screams performance.

Seeing this car roll down the street stops me in my tracks every single time. It is a masterclass in selecting the right wheels for a specific body style. The harmony between the coilover drop and the KMC wheel specs makes this one of the cleanest S197s I have ever featured.

If you want to transform your ride, look no further than this exact setup. It is time to stop playing it safe and get your stance dialed in right now.

Full Specs Breakdown

Here is exactly what this owner is running. We break down every detail so you can replicate this build or use it as a starting point for your own setup.

  • Car Make & Model: Ford Mustang GT 2013
  • Vehicle Color:
  • Wheel Brand & Model: KMC KM685
  • Wheel Size: 20×9 / 20×10.5
  • Offset: 25 / 35
  • Wheel Finish: Matte Black
  • Tires: Nitto NT450 245/30 25.8″x9.6″ / 285/30 26.7″x11.2″
  • Suspension: Coilovers

Before You Buy: Fitment Checklist

Wheel sizes explained - diameter, width, offset and backspacing guide
Understanding wheel sizing: diameter, width, offset and backspacing all affect fitment on your Ford Mustang GT.

We talk to Ford Mustang GT owners every day. These are the questions we hear most before they pull the trigger on new wheels.

Will 20×9 / 20×10.5-inch wheels fit my Ford Mustang GT? Yes, but fitment depends on width, offset, and tire size working together. A wrong offset means rubbing. A wrong tire size means poor handling. Always verify all three.

Do I need to modify my fenders? That depends on your offset and suspension. A conservative offset with stock ride height usually fits without modification. Go aggressive and you may need to roll or pull your fenders.

Can I daily-drive this setup? Absolutely. Thousands of Ford Mustang GT owners run 20×9 / 20×10.5-inch wheels every day. The key is choosing the right tire with enough sidewall to absorb road imperfections.

Ford Mustang GT2013 with 20×9 / 20×10.5-inch KMC KM685 Wheel Gallery

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