The 2017 Subaru WRX sits firmly in the modern sport-compact performance world, pairing all-wheel-drive traction with the sharp, everyday usability that helped make the WRX a lasting enthusiast favorite. For this exact model year, tire selection starts with trim level because the WRX uses two different primary radial sizes: 235/45R17 and 245/40R18. That means the first step is confirming whether the car is a Base, Premium, or Limited model, then comparing the available tire choices within the correct size. From blackwall performance radials to redline and raised white letter options in 18-inch fitment, the right choice depends on wheel size, intended driving use, and the look you want.
Which Tire Size Is Right for The 2017 Subaru WRX
The 2017 Subaru WRX uses two primary tire sizes, and they are tied directly to sub-model and wheel diameter. Base models use a 17-inch setup, while Premium and Limited models use an 18-inch setup, so the first step is confirming the exact trim and wheel size already on the car before comparing tire choices.
235/45R17 is a modern metric radial size in which 235 is the nominal section width in millimeters, 45 is the aspect ratio, R identifies radial construction, and 17 is the rim diameter in inches. On the 2017 Subaru WRX, this size serves the 17-inch fitment and keeps the selection focused on contemporary radial performance tires. Available choices include BFGoodrich and Nitto blackwall options across g-Force and NT555 G2 series. This size is the one to evaluate when the car is equipped with the correct 17-inch wheels and the goal is preserving the proper trim-specific fitment.
245/40R18 is also a modern metric radial size, with a 245-millimeter nominal section width, a 40-series profile, radial construction, and an 18-inch rim diameter. On the 2017 Subaru WRX, this size belongs to the 18-inch fitment used by specific sub-models and opens up a broader range of product choices. Blackwall performance tires are available from BFGoodrich, Nitto, and M&H Racemaster, while Pro-Trac adds redline and raised white letter sidewall options. This is the size to review when the car carries the proper 18-inch wheels and appearance preference matters alongside fitment.
Sub-model fitment matters on the 2017 Subaru WRX because tire size changes with trim level. The Base model uses a different wheel and tire package than the Premium and Limited, so identifying the exact sub-model is the first step before choosing a tire.
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2017 Subaru WRX Base
The 2017 Subaru WRX Base uses the 235/45R17 radial size and follows the 17-inch fitment for this model range. That makes tire selection more straightforward, with the main decision centered on choosing among the available blackwall performance radials that suit the car's intended street use and wheel setup.
The 2017 Subaru WRX Limited uses the 245/40R18 radial size and shares its fitment with the Premium model. That gives the Limited owner a wider choice of tire series and sidewall treatments, but wheel diameter still needs to be confirmed before comparing performance-oriented or appearance-focused options.
The 2017 Subaru WRX Premium uses the 245/40R18 radial size on the 18-inch fitment shared with the Limited. That means the key decision is less about size and more about choosing the tire style, brand, and sidewall presentation that match the car's current wheels and intended driving use.
The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:
Suspension changes (lowering, lift kits, spring replacements)
Body alterations (fender modifications, custom bodywork)
If your vehicle has been modified from factory specifications, verify tire clearance before purchase.
Best 2017 Subaru WRX Tires for Sale
Available 2017 Subaru WRX tires cover both primary sizes and include options from BFGoodrich, Nitto, M&H Racemaster, and Pro-Trac. Buyers can compare blackwall performance radials across several series, while the 245/40R18 fitment also includes redline and raised white letter sidewall choices.
These 2017 Subaru WRX tire FAQs focus on trim-specific sizing, 17-inch versus 18-inch wheel fitment, radial tire selection, sidewall choices, and the checks that matter before street use or after wheel and suspension changes.
Tire Size & Fitment
What tire size fits a 2017 Subaru WRX?
The 2017 Subaru WRX uses two primary tire sizes: 235/45R17 and 245/40R18. The 235/45R17 size belongs to the WRX Base, while the WRX Premium and WRX Limited use 245/40R18. Both are radial tire fitments tied to specific wheel diameters.
The practical step is confirming the exact trim level and checking the wheel diameter already on the car before selecting a tire. A Base model and an 18-inch-equipped Premium or Limited do not use the same primary size, so choosing by model year alone can lead to the wrong fitment.
What size rim does a 2017 Subaru WRX use?
A 2017 Subaru WRX uses either a 17-inch or 18-inch rim, depending on sub-model. The Base model uses the 17-inch fitment with 235/45R17 tires, while the Premium and Limited use the 18-inch fitment with 245/40R18 tires.
Wheel diameter should be verified before anything else, especially if the car has changed hands or has aftermarket wheels. Tire size must match the actual rim diameter on the vehicle, and wheel width should also be checked against the tire's compatible range before making a final selection.
Do all 2017 Subaru WRX sub-models use the same tire size?
No, the 2017 Subaru WRX does not use one tire size across every sub-model. The Base uses 235/45R17, while the Premium and Limited use 245/40R18, so fitment changes with trim level rather than remaining uniform across the lineup.
That difference affects both wheel diameter and the range of tire choices available. A buyer should confirm whether the car is a Base, Premium, or Limited model, then verify that the wheels currently installed still match that trim-specific setup before comparing brands, sidewall styles, and tire series.
Choosing the Right Tire
What should I consider when choosing a tire for a 2017 Subaru WRX?
Start with the correct trim-specific tire size and wheel diameter, since the 2017 Subaru WRX uses either 235/45R17 or 245/40R18. From there, compare construction details within the radial options, along with brand, tire series, rim-width compatibility, weight, and any stated load figures that matter to your intended use.
A street-driven WRX may call for a different choice than one built around a specialized performance goal. It also helps to decide early whether appearance matters, since the 18-inch fitment includes blackwall, redline, and raised white letter options, while the 17-inch fitment stays focused on blackwall performance radials.
What sidewall styles are available for 2017 Subaru WRX tires?
Sidewall style depends on the tire size chosen for the 2017 Subaru WRX. The available 235/45R17 options are blackwall, while the 245/40R18 fitment adds blackwall, redline, and RWL, which is a raised white letter presentation.
That means appearance choice is much broader on the 18-inch setup used by the Premium and Limited. Sidewall style does not override basic fitment, so the first priority remains confirming the correct size and wheel diameter, then selecting the look that best suits the car's current setup and intended character.
What brands offer tires for the 2017 Subaru WRX?
Tires for the 2017 Subaru WRX are available from BFGoodrich, Nitto, M&H Racemaster, and Pro-Trac, depending on size. The 235/45R17 fitment includes BFGoodrich and Nitto choices, while the 245/40R18 fitment expands the field with BFGoodrich, Nitto, M&H Racemaster, and Pro-Trac.
Brand selection should be viewed alongside tire series, sidewall style, and wheel compatibility rather than on name alone. Some choices are focused on blackwall street performance, while others bring a more specialized or appearance-driven presentation, so matching the tire to how the WRX will actually be used is the better approach.
Restoration & Appearance
Which tire should I choose for a period-style 2017 Subaru WRX?
A period-style 2017 Subaru WRX tire choice starts with the correct trim-specific size, then shifts to sidewall and series selection. Base models stay within 235/45R17 blackwall radials, while Premium and Limited models using 245/40R18 have access to blackwall, redline, and raised white letter options.
Because this is a modern enthusiast car rather than an earlier restoration-era vehicle, the visual goal is usually more about matching the car's desired street or tuner character than chasing strict originality. The best approach is keeping the correct size and wheel diameter first, then choosing the sidewall treatment that suits the build.
How does tire construction affect the appearance of a restored 2017 Subaru WRX?
Tire construction is straightforward on the 2017 Subaru WRX because the primary fitments are radial. That keeps the visual decision centered less on bias-ply versus radial appearance and more on details such as tire series, sidewall treatment, and how aggressive or understated the finished wheel-and-tire package looks.
On this model, appearance changes most noticeably when moving between blackwall, redline, and raised white letter options in 245/40R18. A cleaner, more contemporary presentation usually points toward blackwall, while a more expressive period-inspired sport-compact look may lean toward one of the more visible sidewall treatments.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2017 Subaru WRX?
Yes, modifications can affect tire fitment on a 2017 Subaru WRX even when the tire size itself is correct. Aftermarket wheels, changes in wheel width or offset, suspension lowering, and altered alignment settings can all influence how a 235/45R17 or 245/40R18 tire sits within the fender and steering range.
A modified WRX should be checked for inner clearance, fender clearance, and full-lock steering movement before settling on a tire. It is also smart to confirm that the actual wheel diameter on the car still matches the trim-specific fitment, since many WRXs have been changed from their original wheel package.
What should I inspect before driving a 2017 Subaru WRX on new tires?
Before driving a 2017 Subaru WRX on new tires, inspect air pressure, bead seating, wheel condition, valve stems, lug torque, and visible clearance around the strut, fender, and inner wheelhouse. It also helps to confirm that all four tires match the intended size and that the wheel diameter is correct for the trim.
A short, careful road test is the best next step. Listen for rubbing, watch for vibration, and recheck pressure after the tires have settled in. On an all-wheel-drive WRX, keeping the tire setup consistent across the vehicle is especially important when replacing tires or confirming a recently changed wheel package.
How should tires on a 2017 Subaru WRX be maintained?
Tires on a 2017 Subaru WRX should be maintained with regular pressure checks, visual inspections, and routine attention to tread wear across all four positions. Look for uneven wear, cracking, cuts, bulges, and slow air loss, and keep an eye on how the tires are wearing if the car sees spirited driving.
Rotation and alignment checks become especially useful when the car is driven hard or has suspension changes. Storage also matters on enthusiast vehicles, so keeping the WRX away from prolonged sun, heat, and moisture helps preserve the tires between drives and supports more consistent road behavior over time.
