About This Subaru WRX STI Base 2019 Build
We love featuring real builds from real owners. This Subaru WRX STI Base 2019 sits on a set of 18×9.5 / 18×9.5-inch Advan Racing RG-D2 wheels, and the result speaks for itself.
The owner chose Advan Racing 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 Base builds come through WheelFront every month, but this one stands out. The combination of the exterior with the Advan Racing RG-D2 creates a look that balances aggression with elegance.

Fitment Breakdown: Advan Racing RG-D2 on the Subaru WRX STI Base 2019
I walked around this STI at the meet, and the Advan Racing RG-D2 setup hit me instantly. We are looking at a square 18x9.5 setup with a +35 offset all the way around. This specific size is the holy grail for the VA chassis.
The +35 offset pushes the face out perfectly to the edge of the fender. You get that aggressive, flush look without needing a massive spacer. It sits exactly where it needs to be for a track-inspired daily driver.
The RG-D2 design features a deep barrel lip that defines its character. The step-lip construction gives the wheel a classic motorsports aesthetic. It looks purposeful and raw compared to flat-faced alternatives.
Clearance is always the big worry with the VA STI's massive Brembos. These Advans clear the front calipers without any drama. You do not need to worry about grinding down parts or running chunky spacers here.

Since this car runs on air suspension, the fitment changes based on the digital controller. At ride height, the car looks planted and functional. When the bags dump, the fender sits right on the lip of the rim.
The hub bore sits perfectly, so we avoid any vibrations at highway speeds. We always recommend high-quality hub-centric rings if you want to keep the steering wheel butter smooth. This build uses them correctly.
Watch out for the inner fender liners if you slam it too low. The tire can catch the plastic tabs near the front bumper when you turn hard at low height. A quick trim fixes that issue for good.
What We Recommend for Subaru WRX STI Base 2019 Owners
If you want this look, stick to the 18x9.5 sizing. It balances tire width and fender clearance better than any other spec. We have seen 10-inch wide wheels, but they require too much camber to fit right.

Stay within the +35 to +38 offset range for the best results. Going lower than +35 starts to poke the tire way too far out. Going higher than +38 risks hitting your suspension struts on the inside.
Avoid staggered setups on the STI platform unless you love burning up your center differential. The AWD system hates different rolling diameters. Run a square setup and rotate your tires to keep the drivetrain happy.
Tire choice makes or breaks this fitment. We suggest a 255/35 or 265/35 tire to get that perfect shoulder profile. A little bit of stretch helps clear the fenders when you are aired out.
Do not skip a professional alignment after you install your new wheels. You need the right amount of negative camber to dial in the look and handle the corners. A bad alignment will ruin your tires in a single season.

Style and Build Analysis
This custom finish changes the whole personality of the car. It shifts under the sun, moving from a muted tone to a bright, popping metallic. It bridges the gap between show car elegance and rally car aggression.
The six-spoke design is timeless and iconic. It pays homage to the golden era of Japanese tuning while looking fresh on a modern machine. These wheels look fast even when the car is parked.
Proportions on this STI feel spot on. The air suspension allows the owner to highlight the geometry of the wheel spokes against the body lines. It looks deliberate rather than accidental.
We see a lot of WRXs at these events, but this one stands out. Most people choose boring colors, but this owner went bold with the custom finish. It makes the car look expensive and custom-tailored.
The road presence is undeniable. The wheels fill the arches just enough to look tight. It commands attention without resorting to tacky decals or over-the-top body kits.
Why We Love This Build
This STI is a masterpiece of modern modification. The way the custom finish catches the light as the car rolls into the lot is breathtaking. It hugs the pavement when the air bags empty, creating a silhouette that is pure aggression. We love how the RG-D2 spokes frame the massive brake rotors behind them. Everything fits with surgical precision.
This build proves that you do not need to cut your fenders to make a statement. It represents the perfect harmony between form and function. When the car drives away, the wheels look like they are carving the asphalt. It is the kind of setup that makes us want to run back to our own garages and start turning wrenches. This is how you build a real STI.

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 Base 2019
- Vehicle Color:
- Wheel Brand & Model: Advan Racing RG-D2
- Wheel Size: 18×9.5 / 18×9.5
- Offset: 35 / 35
- Wheel Finish: Custom
- Tires: Sumitomo HTR AS P02 235/40 25.4″x9.3″ / 235/40 25.4″x9.3″
- Suspension: Air Suspension
Before You Buy: Fitment Checklist

We talk to Subaru WRX STI Base owners every day. These are the questions we hear most before they pull the trigger on new wheels.
Will 18×9.5 / 18×9.5-inch wheels fit my Subaru WRX STI Base? 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 Base owners run 18×9.5 / 18×9.5-inch wheels every day. The key is choosing the right tire with enough sidewall to absorb road imperfections.



