2020 Tesla Tire Fitment Guide

2020 Tesla vehicles use six sizes across two models. The Model 3 uses 235/45R18, 235/40R19, and 235/35R20, while the Model S uses 245/45R19, 245/35R21, and 265/35R21. Rim diameters span 18, 19, 20, and 21 inches, so these fitments are not interchangeable across the full 2020 Tesla range. Where rim-width guidance is available, 235/45R18 fits 7.5 to 9.0-inch rims, 235/40R19 fits 8.0 to 9.5-inch rims, 235/35R20 fits 8.0 to 9.5-inch rims, and 245/45R19 fits 7.5 to 9.0-inch rims.

The practical takeaway is that year and make alone are not enough for a 2020 Tesla tire purchase. You need the model first, then the actual wheel diameter already on the car, and in some cases the front-versus-rear position as well. That matters especially on Model S applications with 21-inch fitment, where the front and rear sizes differ. Checking the sidewall of the tire already on the car or the wheel-and-tire placard before choosing a replacement is the fastest way to avoid a mismatch.

On a 2020 Tesla, 235/45R18 is a metric radial code. The first number, 235, is the section width in millimeters. The second number, 45, is the aspect ratio, meaning the sidewall height is 45 percent of the section width. The R means radial construction, and 18 is the wheel diameter in inches. On 2020 Tesla vehicles, this size belongs to the Model 3 rather than the Model S.

That decoding matters because it tells you much more than overall size. It also tells you the wheel diameter the tire must mount on and the sidewall profile you are working with. A 235/45R18 cannot be substituted casually with a 19-inch or 20-inch size, even when the width looks similar on paper. If your 2020 Tesla is a Model 3 and already wears 18-inch wheels, this is the fitment family to stay within while comparing brand, load capability, and speed rating.

No. The 2020 Tesla Model 3 and 2020 Tesla Model S use different tire sizes, and those sizes are tied to different wheel diameters. Model 3 fitments are 235/45R18, 235/40R19, and 235/35R20. Model S fitments are 245/45R19, 245/35R21, and 265/35R21. The 21-inch Model S setup also uses different widths front and rear, which adds another layer beyond simply identifying the model.

That is why 2020 Tesla fitment should be approached as a model-specific question, not just a year-and-make search. If you are unsure which wheel package is on the car, check the sidewall of the current tire and note whether the vehicle has matching sizes at all four corners or a staggered arrangement. That single step narrows the correct tire path quickly and helps prevent ordering a tire that matches the brand or appearance you want but not the actual wheel on the car.

The 2020 Tesla sizes with product coverage here use Blackwall sidewalls. That applies to 235/40R19, 235/45R18, 235/35R20, and 245/45R19, across BFGoodrich and Nitto offerings. There are no whitewall or period-style sidewall treatments in these fitments, which fits the modern character of the Model 3 and Model S. These are contemporary low-profile radial applications rather than vintage-style appearance-driven tire categories.

For a 2020 Tesla owner, sidewall choice is less about restoration authenticity and more about matching the clean, modern look of the car while keeping the correct size and service description. Blackwall is the natural visual fit for Tesla’s factory-era design language and wheel packages. Once the size is confirmed, your next comparison points are brand, speed rating, and any published load information, rather than decorative sidewall treatments.

BFGoodrich covers 235/40R19, 235/45R18, 235/35R20, and 245/45R19 for 2020 Tesla vehicles, while Nitto appears in 235/35R20 and 245/45R19. That means the broadest current coverage here falls in the Model 3 18-inch and the Model S 19-inch categories, with BFGoodrich offering multiple choices within those sizes. All of these are radial Blackwall tires built around modern performance-oriented fitment.

Brand choice matters most once you are already inside the correct size for your 2020 Tesla. A Model 3 owner on 18-inch wheels can compare several BFGoodrich patterns in the same size, while a Model S owner on 19-inch wheels can compare BFGoodrich and Nitto. If your car uses 21-inch Model S sizing, confirm the exact front or rear size first, because brand comparison only matters after the staggered fitment question is settled.

For 2020 Tesla fitments where both appear, the clearest overlap is in 235/35R20 and 245/45R19. In 235/35R20, the Nitto NT555 G2 carries a W speed rating at 168 mph, while the BFGoodrich g-Force Phenom T/A carries a Y speed rating at 186 mph and above; their published weights are very close at 25.35 and 25.4 pounds. In 245/45R19, Nitto again carries a W rating, while the BFGoodrich Phenom T/A carries a Y rating and a published maximum load of 1,874 pounds at 50 psi.

The practical difference is not that one universally fits better, but that each tire should be compared by the exact service details that matter to your car and driving habits. If your 2020 Tesla already uses one of those shared sizes, compare the speed symbol, any published load figure, and approved rim-width guidance where available. That gives you a real apples-to-apples comparison instead of choosing only by brand name.

Several 2020 Tesla sizes have published rim-width guidance. The 235/45R18 size used on Model 3 fits 7.5 to 9.0-inch rims, with one product narrowing the upper end to 9.0 inches and another to 9 inches. The 235/40R19 Model 3 size fits 8.0 to 9.5-inch rims. The 235/35R20 Model 3 size fits 8.0 to 9.5-inch rims where that specification is published. The 245/45R19 Model S size fits 7.5 to 9.0-inch rims, with one product expressed as 7.5 to 9 inches.

Rim width matters because two tires with the same wheel diameter do not always want the same wheel width. Before replacing tires on a 2020 Tesla, verify the actual wheel width stamped on the wheel or confirm it through Tesla wheel specifications for your exact package. That is especially useful when a car has been changed from its original wheel set. Staying inside the tire maker’s approved rim-width range helps preserve the intended profile and keeps the fitment within the tire’s design window.

The 2020 Tesla tire products covered here are modern radial sizes without tube-type markings. Their size descriptions use contemporary metric radial conventions and do not show TT tube-type designations, so these applications align with tubeless construction. That matches the design era of both the 2020 Tesla Model 3 and 2020 Tesla Model S, which were engineered around modern wheel and tire systems rather than tube-type practice.

Even so, tubeless fitment still depends on the condition of the wheel and valve stem. If a 2020 Tesla wheel has curb damage, corrosion at the bead seat, or a worn valve stem, a new tire can still develop sealing issues despite being the correct size. Treat tube use as a wheel-condition question only if a specialist identifies a problem, not as a normal requirement for these Tesla applications.

A 2020 Tesla should be stored on clean, properly inflated tires and kept away from direct sunlight, standing moisture, and ozone-producing equipment such as electric motors, welders, or compressors. Because these are low-profile radial tires, keeping inflation maintained during storage helps the carcass hold its intended shape. Moving the car occasionally or slightly changing its resting position can also help distribute load over the tread surface.

Collector-style storage habits still matter even on a modern EV. If the car will sit for extended periods, check pressure at regular intervals, keep the storage area temperature stable, and inspect the sidewalls before returning the car to service. A tire that looks fine from a distance can still develop age-related cracking, impact damage, or pressure loss while parked. Good storage is less about preserving appearance alone and more about making the car predictable and trouble-free when it goes back on the road.

For a 2020 Tesla, age matters at least as much as mileage. A useful rule for collector and low-use vehicles is to start evaluating tires closely once they reach about five to seven years of age, then consider replacement as they approach ten years regardless of remaining tread. The DOT date code on the sidewall tells you when the tire was made, and that manufacturing date matters more than the car’s model year.

Tesla owners often assume a tire with strong tread depth is still serviceable, but time, heat cycles, and environmental exposure can age a tire long before it wears out. If your 2020 Tesla sees occasional use, make date-based inspection part of your maintenance routine. A younger tire with moderate tread may be the better road choice than an older tire that still looks deep. Age, cracking, hardening, and air-retention behavior all deserve equal attention.

Tires on a 2020 Tesla should be inspected before every drive and again before any extended trip. Look for sidewall cracking, cuts, punctures, bulges, irregular shoulder wear, and signs of impact damage from potholes or curbs. Pressure should be checked regularly, not just visually, because a modern low-profile radial can be underinflated without looking dramatically flat at a glance.

Frequent inspection is especially important on vehicles that alternate between daily use and longer parked periods. A quick pre-drive walkaround catches damage early, while a more thorough check before a road trip gives you time to address a valve-stem issue, tread damage, or slow leak. If your 2020 Tesla uses different front and rear sizes, confirm that each tire is in its correct position during inspection so rotation history or prior service work has not created a mismatch.

Yes, 2020 Tesla tires in these fitments are modern radial products with high-speed service ratings appropriate to contemporary passenger-car use. The sizes covered here include W-rated products with a 168 mph ceiling and Y-rated products rated to 186 mph and above, depending on the exact tire. Those ratings exceed normal U.S. highway speeds by a wide margin, so in everyday driving the vehicle’s alignment, suspension condition, inflation, and overall maintenance are usually more immediate safety factors than the tire’s published speed ceiling.

That does not mean every tire in the same size is identical. A 2020 Tesla owner should confirm the exact speed symbol on the sidewall and match it to the intended use of the car. Highway safety also depends on proper pressure, correct load support, tread condition, and even wear across the axle. If the car has been modified with a different wheel package, confirm that the tire size and rim-width relationship still falls within the tire maker’s approved range before extended road use.

Inflation pressure for a 2020 Tesla should start with the factory vehicle placard or owner’s manual, because that is the pressure recommendation tied to the car’s weight distribution and intended operating condition. Tire-side specifications here show maximum published figures such as 50 psi for 235/40R19, 235/45R18, 235/35R20, and 245/45R19 examples where load data appears, but that is not the same thing as the day-to-day cold inflation target for every Tesla application.

Use the tire maker’s published maximum pressure as a rating reference, not as a blanket setting. The correct practice is to match your exact 2020 Tesla model, wheel package, and axle setup to Tesla’s recommended cold pressure, then verify that the tire’s own load and pressure limits support that application. Do not transfer a pressure figure from an 18-inch Model 3 tire to a 19-inch or 21-inch Model S fitment. Each size should be treated on its own terms.

Before a longer drive in a 2020 Tesla, inspect all four tires for cracking, cuts, punctures, bulges, uneven wear, and any signs of sidewall damage from road impacts. Check cold inflation pressure, confirm the valve stems are sound, and make sure the spare or mobility equipment is ready if your car relies on one. On a Model S with staggered 21-inch fitment, verify that the front and rear tire sizes are correctly positioned before leaving.

Tire inspection should be part of a broader pre-trip check rather than a stand-alone task. A longer drive also calls for attention to alignment feel, vibration, brake condition, and any warning lights or suspension issues that could affect tire wear or stability. Because 2020 Tesla uses low-profile radial tires, small problems such as curb damage or a slow pressure loss can become more noticeable on the highway. Catching them in the garage is far easier than sorting them out roadside.