Subaru WRX STI 2018 with 17X8 / 17X8-inch Black Rhino SOL Wheel

About This Subaru WRX STI 2018 Build

We love featuring real builds from real owners. This Subaru WRX STI 2018 sits on a set of 17X8 / 17X8-inch Black Rhino SOL wheels, and the result speaks for itself.

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

Fitment Breakdown: Black Rhino SOL on the Subaru WRX STI 2018

I walked around this STI for ten minutes just to study how these 17x8 Black Rhino SOL wheels sit in the arches. Dropping down to a 17-inch diameter from the factory 19s changes the entire personality of the car. It shifts the focus from pure track aesthetics to a rugged, rally-inspired look that feels right at home on a Subaru.

The 38mm offset pushes the wheels out just enough to kill that sunken look without forcing you to roll your fenders. You get a flush stance that clears the stock suspension arms perfectly. I checked the inner barrel clearance near the strut towers, and there is plenty of room to spare.

Speaking of clearance, let’s talk about those massive STI Brembos. Fitting a 17-inch wheel over those calipers is always a gamble, but the spoke design on the SOL gives you just enough breathing room. You won't need spacers here, which keeps your steering geometry tight and predictable.

The 8-inch width is conservative, but it creates a perfect home for a 235-series tire. You get a nice, meaty sidewall that protects the rim from potholes. I haven't seen a single sign of rubbing, even with the wheel turned at full lock.

The hub bore fits the Subaru center perfectly, so you aren't dealing with sketchy plastic hub rings. Everything bolts up with satisfying precision. It feels like a factory upgrade that Subaru forgot to offer from the factory.

Be careful if you decide to lower the car later, though. If you drop the ride height significantly, you might need to adjust your camber settings to keep the rear tires from kissing the fender liners. For now, on the stock suspension, it is a drama-free setup.

What We Recommend for Subaru WRX STI 2018 Owners

If you want this look, stick to the 17x8 or 17x9 range. Going wider than 9 inches starts to invite fender issues that most daily drivers want to avoid. The 38mm offset is the golden ticket for this body style.

I always suggest running a square setup on an AWD platform like the STI. It lets you rotate your tires properly and keeps the center differential happy. Staggered setups on these cars usually just cause headaches and unnecessary wear.

For tires, the 235/55/17 choice on this build is bold. It adds a bit of height to the sidewall, which fills the gap nicely on stock suspension. If you want a sharper turn-in, look at a 245/45/17 instead to keep the diameter closer to stock specs.

Avoid the temptation to use cheap slip-on spacers to push the wheels out further. They mess with your wheel bearings and compromise the hub-centric fitment. If you need more poke, buy a wheel with a lower offset from the start.

Double-check your lug nuts before you hit the road. These wheels require aftermarket conical seat lugs, so don't try to reuse your factory hardware. It sounds simple, but I see people skip this step all the time.

Style and Build Analysis

The Black Rhino SOL features a rugged, multi-spoke design that screams off-road authority. The black finish provides a sharp contrast against the aggressive body lines of the 2018 STI. It tones down the flashy, boy-racer vibe and gives the car a more mature, industrial aesthetic.

The thick spokes draw the eye toward the center of the wheel. It creates a sense of strength that the stock wheels just don't have. Every time the sun hits the wheel faces, the texture pops and breaks up the sea of dark paint.

Proportions are the secret sauce here. By running a 17-inch wheel, you gain a massive amount of sidewall meat compared to the factory setup. It makes the car look like it just rolled out of a stage rally event in Finland.

I have seen dozens of STIs on 19-inch wheels, and they always look fragile. This build proves that less rim and more tire is the superior choice for a street-driven car. It looks purposeful, ready for anything, and absolutely planted to the tarmac.

This car doesn't try too hard to be a race car. It embraces the Subaru roots with a functional, tough-as-nails stance. It is a masterclass in using wheel choice to change the entire energy of a vehicle.

Why We Love This Build

There is something honest about seeing a modern STI running a beefy tire setup. When I stood next to this car, the way the 235/55/17 tires filled the wheel wells felt perfect. It captures that vintage rally spirit while keeping the reliability of the 2018 platform intact. The dark finish on the SOL wheels hides brake dust and adds a layer of grit that makes you want to go find a gravel road.

We see thousands of cars, but this one stands out because it prioritizes function without losing an ounce of style. It is the kind of build that makes you look back every single time you walk away in a parking lot. Your car should be a tool for fun, not a delicate statue. Go get a set and drive it hard.

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: Subaru WRX STI 2018
  • Vehicle Color:
  • Wheel Brand & Model: Black Rhino SOL
  • Wheel Size: 17X8 / 17X8
  • Offset: 38mm
  • Tires: Falken 235/55/17 / 235/55/17
  • Suspension: Stock

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 Subaru WRX STI.

We talk to Subaru WRX STI owners every day. These are the questions we hear most before they pull the trigger on new wheels.

Will 17X8 / 17X8-inch wheels fit my Subaru WRX STI? 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 Subaru WRX STI owners run 17X8 / 17X8-inch wheels every day. The key is choosing the right tire with enough sidewall to absorb road imperfections.

Subaru WRX STI2018 with 17X8 / 17X8-inch Black Rhino SOL Wheel Gallery

Related Galleries & Links

Filter