The 2019 Lexus RC350 sits in the modern luxury sport coupe category, balancing sharp styling with the kind of everyday refinement buyers expect from Lexus. Tire choice matters more here than on a softer grand-touring coupe because wheel size, tire profile, and drivetrain configuration all shape how the car looks and responds. This RC350 uses radial tire fitments in 18-inch and 19-inch sizes, with some versions using a square setup and others using a staggered front-and-rear arrangement. Available choices center on Blackwall performance tires from BFGoodrich and Nitto across several g-Force and NT555 series options. The key is matching the exact sub-model and wheel setup before comparing tire character, appearance, and road-use priorities.
Which Tire Size Is Right for The 2019 Lexus RC350
The 2019 Lexus RC350 uses three primary tire sizes, and the correct choice depends on the exact sub-model and wheel setup. Some versions use a single 18-inch or 19-inch fitment, while others use staggered 19-inch front and rear sizes. Before selecting a tire, confirm whether the car is AWD or RWD and whether it carries an 18-inch square setup or a 19-inch square or staggered arrangement.
Fit(s): (AWD), (RWD) Front, F Sport (AWD), and F Sport (RWD) Front
Construction: Radial|Rim: 19 in
235/40R19 is a metric radial size with a 235-millimeter section width, a 40-series aspect ratio, and fitment for a 19-inch wheel. On the 2019 Lexus RC350, this size appears in several 19-inch applications, including square setups on some AWD and F Sport versions and as a front size on staggered RWD cars. Available choices include BFGoodrich Blackwall tires in the g-Force Phenom T/A series. This size is the right place to start when the car has 19-inch front wheels and the goal is to preserve the intended low-profile sport-coupe stance.
235/45R18 is a metric radial size that combines a 235-millimeter width with a 45-series profile on an 18-inch rim. On the 2019 Lexus RC350, it serves as the main 18-inch fitment and is used on RWD versions and on AWD cars that carry the 18-inch setup. Product choices include Blackwall BFGoodrich tires from the g-Force Comp 2 AS, g-Force Sport Comp 2, and g-Force Phenom T/A lines. This size makes sense when the car is equipped with 18-inch wheels and the decision is more about tire series and use character than fitment variety.
265/35R19 is a metric radial size with a wider 265-millimeter section width, a 35-series profile, and a 19-inch rim diameter. On the 2019 Lexus RC350, this is a rear fitment for staggered 19-inch RWD and F Sport RWD applications rather than a universal four-corner size. Available Blackwall choices include BFGoodrich g-Force Sport Comp 2, BFGoodrich g-Force Phenom T/A, and Nitto NT555 G2 options. This size should be evaluated as part of the complete rear-wheel setup so the coupe keeps the intended front-to-rear balance and wheel compatibility.
Sub-model fitment on the 2019 Lexus RC350 is not one-size-fits-all. Tire selection depends on whether the car is AWD or RWD and, on some versions, whether the setup is a square arrangement or a staggered front-and-rear combination.
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2019 Lexus RC350 (AWD)
The AWD RC350 appears with both 235/40R19 and 235/45R18 radial fitments, so wheel diameter must be confirmed before choosing a tire. Once that is settled, the decision shifts to the available Blackwall performance-tire options in the matching size.
The RWD RC350 in its 18-inch configuration uses 235/45R18 radial tires. Tire shopping is straightforward here, with the main comparison points being tire series, rim-width compatibility, and the kind of street use the car sees.
The front position on a staggered RWD RC350 uses 235/40R19. That makes front-tire selection part of a matched 19-inch front-and-rear package, so the wheel setup should be confirmed before comparing available performance-oriented choices.
The rear position on a staggered RWD RC350 uses the wider 265/35R19 radial size. Rear-tire selection should be made with the full staggered setup in mind, especially when comparing width, wheel compatibility, and overall tire series character.
The AWD RC350 F Sport uses 235/40R19 radial tires. With the primary size already established, the focus turns to choosing among the available Blackwall performance tires that suit the car's appearance and intended road use.
The front tire size for the RWD RC350 F Sport is 235/40R19. Because this is part of a staggered arrangement, it is best selected alongside the correct rear size rather than treated as a standalone four-corner fitment.
The rear tire size for the RWD RC350 F Sport is 265/35R19. Choosing the rear tire means confirming that the car still carries the intended staggered 19-inch wheel setup and then comparing the available series within that exact size.
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 2019 Lexus RC350 Tires for Sale
Available 2019 Lexus RC350 tire choices center on Blackwall radial performance tires from BFGoodrich and Nitto. Depending on size, buyers can compare g-Force Comp 2 AS, g-Force Sport Comp 2, g-Force Phenom T/A, and NT555 G2 options, along with rim-width compatibility in the matching 18-inch or 19-inch fitment.
These FAQs focus on the exact tire sizes used on the 2019 Lexus RC350, how fitment changes by AWD or RWD setup, and what to compare when choosing among available radial performance tires.
Tire Size & Fitment
What tire size fits a 2019 Lexus RC350?
The 2019 Lexus RC350 uses 235/45R18, 235/40R19, and 265/35R19 radial tire sizes. The correct size depends on the exact configuration: some AWD and RWD versions use a square setup, while staggered RWD applications use 235/40R19 in front and 265/35R19 in the rear.
The first step is confirming whether the car is AWD or RWD and whether it has 18-inch or 19-inch wheels. A staggered setup should be matched front to rear, while a square setup uses the same size at all four corners. Checking the current wheel diameter before ordering helps avoid mixing the wrong size with the wrong wheel package.
What size rim does a 2019 Lexus RC350 use?
The 2019 Lexus RC350 uses both 18-inch and 19-inch rim diameters, depending on the version and tire size. The 235/45R18 fitment is used on an 18-inch wheel, while 235/40R19 and 265/35R19 are both 19-inch tire sizes.
Rim diameter is the most important fitment check because an 18-inch tire cannot be mounted on a 19-inch wheel, and the reverse is also true. On RC350 models with staggered 19-inch fitment, the front and rear share the same rim diameter but not the same tire width. Confirm the actual wheel setup on the car before narrowing the product choices.
Why does the 2019 Lexus RC350 have more than one tire size?
Multiple tire sizes exist because the 2019 Lexus RC350 was offered with different wheel packages and driveline layouts. Some versions use a square fitment with the same size at all four corners, while certain RWD and F Sport RWD configurations use a staggered 19-inch setup with a narrower front tire and a wider rear tire.
That means tire selection starts with the exact sub-model and current wheel arrangement, not just the model name alone. An AWD RC350 with 18-inch wheels calls for a different approach than an RWD coupe with staggered 19s. Looking at the existing front and rear sidewall markings is often the quickest way to confirm what belongs on the car.
Choosing the Right Tire
What should I consider when choosing a tire for a 2019 Lexus RC350?
Start with the exact tire size and wheel setup used on the car, since the 2019 Lexus RC350 can have 18-inch or 19-inch fitments and, in some RWD forms, a staggered front-and-rear arrangement. All of the available choices here are radial Blackwall performance tires, so the main differences are tire series, brand, rim-width compatibility, and related specifications.
After size is confirmed, compare the tire to how the coupe is actually driven. A square 235/45R18 setup invites a different comparison than a staggered 235/40R19 and 265/35R19 package. Wheel width matters too, especially on the sizes with stated rim-width ranges, because the right tire still needs to match the wheel as well as the vehicle.
What sidewall styles are available for 2019 Lexus RC350 tires?
The available tires for the 2019 Lexus RC350 use a Blackwall sidewall style. That applies across the listed 18-inch and 19-inch fitments, including the BFGoodrich g-Force series options and the Nitto NT555 G2 in 265/35R19.
For a modern sport coupe like the RC350, Blackwall keeps the appearance clean and performance-oriented without introducing a vintage-style visual element. Since sidewall treatment does not vary here, the more useful points of comparison are the exact size, the tire series, and whether the car uses a square or staggered arrangement. That helps narrow the decision to fitment and intended use rather than appearance alone.
What brands offer tires for the 2019 Lexus RC350?
BFGoodrich and Nitto offer applicable tires for the 2019 Lexus RC350. BFGoodrich appears across all three supported sizes through the g-Force Comp 2 AS, g-Force Sport Comp 2, and g-Force Phenom T/A lines, while Nitto is available in 265/35R19 through the NT555 G2 series.
Brand choice should still come after fitment is confirmed. BFGoodrich has the broadest coverage across the RC350 sizes, especially for 235/45R18 and 235/40R19, while 265/35R19 buyers can compare both BFGoodrich and Nitto. Once the correct size is settled, compare each tire's series, load information where shown, and wheel compatibility rather than assuming the brand name alone answers the selection question.
Restoration & Appearance
Does correct tire fitment matter for a 2019 Lexus RC350 restoration or appearance refresh?
Yes, correct tire fitment matters because the 2019 Lexus RC350 depends on low-profile radial sizing to maintain its intended stance and wheel-to-body proportions. Using the wrong diameter, wrong profile, or the wrong front-to-rear pairing can change the coupe's visual balance, especially on staggered 19-inch RWD setups.
Appearance work on a modern Lexus is usually less about vintage sidewall styling and more about keeping the wheel package true to the car's original look. Matching the existing 18-inch or 19-inch setup and preserving the proper stagger where applicable will usually do more for the finished result than chasing a different tire style. Wheel condition and ride height also deserve a quick check before final selection.
How does tire construction affect the appearance of a 2019 Lexus RC350?
On the 2019 Lexus RC350, the relevant construction is radial, and that matches the coupe's modern low-profile sport-luxury character. The sizes used here, especially 235/40R19 and 265/35R19, contribute to the sharp, contemporary look by pairing relatively short sidewalls with larger wheel diameters.
Since all applicable choices are radial Blackwall tires, the appearance differences come more from size, series, and square-versus-staggered setup than from construction changes. A car wearing 18-inch 235/45R18 tires presents differently from one on staggered 19s, even before brand details enter the picture. Keeping the tire size aligned with the actual wheel package preserves the intended visual character of the RC350.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2019 Lexus RC350?
Yes, modifications can affect tire fitment on a 2019 Lexus RC350. Aftermarket wheels, altered offsets, suspension changes, or lowering can change the clearance relationship around 235/45R18, 235/40R19, or 265/35R19 tires, even when the tire size itself matches an RC350 application.
A car that has been modified should be checked for wheel width, brake clearance, steering clearance, and fender space before a new tire is chosen. That is especially important on staggered 19-inch RWD setups, where front and rear widths already differ. Verifying the current wheel and suspension setup prevents assuming that a stock-size tire will behave the same way on a modified coupe.
What should I inspect before driving a 2019 Lexus RC350 on new tires?
Before driving a 2019 Lexus RC350 on new tires, inspect the wheels for damage, confirm the tire sizes match the car's actual front and rear setup, and make sure inflation is set correctly for the application. It is also smart to look over suspension and steering components so the new tires are not being asked to work around an existing alignment or wear issue.
A short test drive should include attention to vibration, rubbing, pulling, or uneven response, especially if the car uses staggered 19-inch tires. New tires should also be rechecked after some road use for pressure consistency and any signs of contact in the wheel well. That extra step is worthwhile on a performance-oriented coupe where fitment tolerance can be tighter.
How often should tires on a 2019 Lexus RC350 be inspected?
Tires on a 2019 Lexus RC350 should be inspected regularly, not just when tread looks low. A quick check of pressure, tread condition, cuts, bulges, and sidewall damage is worthwhile every few weeks and before any longer drive, especially on a coupe that may see spirited use or long periods of sitting between outings.
Low-profile tires can hide problems until they affect ride quality or handling, so routine inspection matters even when the car is driven infrequently. Pay special attention to uneven wear on the front and rear of staggered setups, since they cannot always be rotated in the same way as a square arrangement. Catching air loss or wear early helps protect both the tire and the wheel.
