The 2015 Dodge Challenger carries modern muscle-car attitude with unmistakable long-hood proportions and a strong connection to Mopar performance heritage. In this model year, tire fitment matters because the Challenger range spans everyday street trims and high-output SRT and Hellcat versions with different wheel and tire setups. Primary fitments include 235/55R18, 245/45R20, and 275/40R20, all in radial construction. That gives owners a mix of choices that can include blackwall performance radials as well as redline and raised white letter options in certain 20-inch sizes. The right selection starts with confirming the exact sub-model and wheel diameter, then matching the tire's look and use to the car.
Which Tire Size Is Right for The 2015 Dodge Challenger
The 2015 Dodge Challenger uses three primary tire sizes, and the correct one depends on the exact sub-model and wheel diameter. Two sizes fit 20-inch wheels, while one fits an 18-inch wheel, so confirming both the trim and the actual rim size should come first. Once that is settled, the decision shifts to tire series, sidewall style, and the type of driving or presentation the car is built for.
Fit(s): R/T, R/T Plus, SXT, SXT Plus, and Scat Pack
Construction: Radial|Rim: 20 in
245/45R20 is a metric radial size in which 245 is the nominal section width in millimeters, 45 is the aspect ratio, R identifies radial construction, and 20 is the wheel diameter in inches. On the 2015 Dodge Challenger, this is a core 20-inch fitment used across several sub-models and suits owners staying with the factory-style wheel diameter. Available choices include BFGoodrich, Nitto, and Pro-Trac options, with blackwall, redline, and RWL sidewall treatments depending on the tire series. It is the size to evaluate when the car has 20-inch wheels but does not use the wider SRT-spec setup.
275/40R20 is a metric radial size where 275 denotes nominal section width in millimeters, 40 is the aspect ratio, R indicates radial construction, and 20 is the rim diameter in inches. For the 2015 Dodge Challenger, this wider 20-inch size is tied to higher-performance sub-model applications and brings a different tire footprint than the standard 245-width setup. Product choices include BFGoodrich, Nitto, M&H Racemaster, and Pro-Trac, with blackwall, redline, and RWL presentations available. This is the size to confirm when the car is an SRT-based trim or already wears the wider 20-inch wheel package.
235/55R18 is a metric radial size with a 235-millimeter nominal section width, a 55 aspect ratio, radial construction, and an 18-inch wheel diameter. On the 2015 Dodge Challenger, it is tied to an 18-inch fitment rather than the more common 20-inch setups found elsewhere in the range. Its role is straightforward: it belongs on cars equipped with the smaller wheel diameter, so wheel confirmation matters before anything else. Owners looking at this size should treat it as a separate fitment path, not as an alternative to the 20-inch Challenger sizes.
Tire fitment varies across the 2015 Dodge Challenger lineup, so identifying the exact sub-model is an important first step. Some trims share the same 20-inch radial size, performance models move to a wider 20-inch fitment, and the SXT can appear with either 18-inch or 20-inch tires.
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2015 Dodge Challenger R/T
The 2015 Dodge Challenger R/T uses a 20-inch radial tire setup centered on 245/45R20. Tire selection usually comes down to choosing the right series and sidewall presentation for the car's use, while confirming that the wheels remain the original diameter.
The 2015 Dodge Challenger R/T Plus follows the same 245/45R20 radial fitment used on other 20-inch non-SRT performance trims. That makes selection more about comparing available brands and sidewall styles than sorting through multiple primary sizes.
The 2015 Dodge Challenger SRT 392 uses the wider 275/40R20 radial fitment. That points the buyer toward higher-capacity 20-inch tire choices and makes wheel-width confirmation especially important if the car has been changed from its original setup.
The 2015 Dodge Challenger SRT Hellcat also uses 275/40R20 radial tires. Selection should focus on the correct 20-inch fitment first, then on whether the owner wants a straightforward blackwall performance look or a more distinctive sidewall treatment.
The 2015 Dodge Challenger SXT can use either 235/55R18 or 245/45R20, so this trim requires a wheel-diameter check before choosing tires. Once the actual wheel size is confirmed, the fitment path becomes much clearer and prevents mixing 18-inch and 20-inch options by mistake.
The 2015 Dodge Challenger SXT Plus uses the 245/45R20 radial size. Buyers in this trim can focus on comparing available 20-inch tire families and sidewall styles without needing to sort through the wider SRT-spec fitment.
The 2015 Dodge Challenger Scat Pack uses 245/45R20 radial tires. The main decision here is choosing among the available 20-inch tire series and appearance treatments while keeping the correct size and wheel diameter at the center of the selection.
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 2015 Dodge Challenger Tires for Sale
Available 2015 Dodge Challenger tire choices center on 245/45R20 and 275/40R20, with options from BFGoodrich, Nitto, Pro-Trac, and M&H Racemaster. Buyers can compare blackwall performance radials, drag-oriented designs, and select redline or RWL sidewall treatments across several tire series.
These 2015 Dodge Challenger tire FAQs focus on the questions that matter most once the exact trim is known: correct size, 18-inch versus 20-inch wheel fitment, available radial choices, sidewall styles, and practical checks before road use.
Tire Size & Fitment
What tire size fits a 2015 Dodge Challenger?
The 2015 Dodge Challenger uses three primary tire sizes: 235/55R18, 245/45R20, and 275/40R20. All are radial sizes, but they do not apply across the lineup in the same way. Several trims use 245/45R20, higher-performance SRT models use 275/40R20, and the SXT can appear with either 235/55R18 or 245/45R20 depending on wheel setup.
The most important next step is confirming the exact sub-model and the actual wheel diameter on the car. An 18-inch SXT fitment should not be treated like a 20-inch Challenger setup, and the wider 275/40R20 belongs to specific performance trims. If the car has aftermarket wheels, measure the current wheel diameter and width before choosing a tire.
What size rim does a 2015 Dodge Challenger use?
A 2015 Dodge Challenger uses either an 18-inch or 20-inch rim, depending on sub-model and tire size. The 235/55R18 tire fits an 18-inch wheel, while both 245/45R20 and 275/40R20 fit 20-inch wheels. That means wheel diameter is one of the key fitment checks before comparing tire options.
Looking only at the body style is not enough, because the Challenger range includes more than one wheel and tire package. The SXT is the clearest example, since it can use either 18-inch or 20-inch tires. A quick wheel-diameter check prevents ordering the right width and profile in the wrong rim size, which is a common mistake on later muscle cars.
Why does the 2015 Dodge Challenger have more than one tire size?
The 2015 Dodge Challenger spans several sub-models with different wheel-and-tire setups, so more than one primary tire size is used. The lineup includes 18-inch and 20-inch applications, and the performance-focused SRT 392 and SRT Hellcat move to a wider 275/40R20 fitment than the 245/45R20 size used on many other trims.
That variation means tire choice starts with trim identification rather than brand or sidewall style. The right size is tied to how the car was equipped, and performance-oriented versions often use wider wheels that call for a different tire. On a modified Challenger, confirm the current wheel package instead of assuming the original trim still determines the fitment.
Choosing the Right Tire
What should I consider when choosing a 245/45R20 tire for a 2015 Dodge Challenger?
Start by confirming that 245/45R20 is the correct size for the specific 2015 Dodge Challenger sub-model and wheel setup. Once that is established, compare the available radial tire series by intended use, sidewall style, and wheel-width compatibility. In this size, choices include blackwall performance tires as well as redline and RWL options for a different visual presentation.
A buyer deciding among 245/45R20 tires should think about how the car is driven and how it is meant to look. Some options emphasize modern performance-oriented styling, while others add a more traditional muscle-era appearance through sidewall treatment. Rim-width range is also worth checking, especially if the Challenger has non-stock wheels or a changed suspension setup.
What sidewall styles are available for 2015 Dodge Challenger tires?
Available sidewall styles for 2015 Dodge Challenger tires include blackwall, redline, and RWL in the supported 20-inch sizes. Blackwall is the most common presentation across the BFGoodrich, Nitto, and M&H Racemaster offerings, while Pro-Trac Street Pro III options add redline and raised white letter choices in both 245/45R20 and 275/40R20.
Sidewall style changes the visual character of the car more than the basic fitment. A blackwall keeps the look straightforward and modern, while redline or RWL can push the Challenger toward a more customized or heritage-inspired appearance. The key is to choose the sidewall treatment after the correct tire size is confirmed, not as a substitute for fitment.
What brands offer tires for the 2015 Dodge Challenger?
Tires for the 2015 Dodge Challenger are available from BFGoodrich, Nitto, Pro-Trac, and M&H Racemaster in the applicable sizes shown here. Brand availability depends on the exact fitment, with 245/45R20 and 275/40R20 offering the broadest selection. Those choices span several radial tire series and more than one sidewall treatment.
Brand choice should come after size and wheel diameter are locked in. It helps to compare each option by tire series, sidewall style, rim-width specification where available, and the type of driving the car sees most often. A street-driven R/T, an appearance-focused Challenger, and a drag-oriented setup may all point toward different products within the same nominal size.
Restoration & Appearance
Which tire should I choose for a period-style 2015 Dodge Challenger?
A period-style 2015 Dodge Challenger build still starts with the correct modern radial size for the trim and wheel diameter, whether that is 235/55R18, 245/45R20, or 275/40R20. From there, the most appearance-driven choices are usually found in the 20-inch sizes, where options include blackwall, redline, and RWL sidewalls.
The best visual match depends on whether the car is being kept close to its original late-model muscle look or pushed toward a more customized presentation. Sidewall treatment can change the personality of the car without changing the basic fitment. If exact as-delivered appearance matters, compare the tire choice against photos, build documentation, and model-specific enthusiast references.
How does tire construction affect the appearance of a restored 2015 Dodge Challenger?
On a 2015 Dodge Challenger, construction is simpler than on an older collector car because the primary fitments are all radial. That means the appearance difference comes less from choosing bias-ply versus radial and more from the tire's overall styling, including sidewall treatment, tread presentation, and the proportions of the correct size on the wheel.
A Challenger restored or refreshed for show-and-street use can look noticeably different with blackwalls than it does with redline or RWL tires, even when the size remains the same. Staying with the proper 18-inch or 20-inch fitment keeps the wheel opening and stance closer to intended proportions. Appearance should be balanced with wheel compatibility and the way the car will actually be driven.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2015 Dodge Challenger?
Yes, modifications can affect tire fitment on a 2015 Dodge Challenger even when the tire size sounds correct on paper. Aftermarket wheels, changes in wheel width, offset differences, lowering springs, and suspension alterations can all change how a 235/55R18, 245/45R20, or 275/40R20 tire sits in the wheel opening and clears surrounding components.
A modified Challenger should be checked at full steering lock and through suspension travel before settling on a tire choice. Clearance to fenders, inner liners, and suspension parts matters just as much as nominal size. The wider 275/40R20 fitment especially deserves a careful look when the car no longer has the original wheel and suspension configuration.
What should I inspect before driving a 2015 Dodge Challenger on new tires?
Before driving a 2015 Dodge Challenger on new tires, inspect the wheels for damage, confirm the wheel diameter matches the selected tire size, and verify that each tire is mounted in the correct size for the car's trim. Tire pressure, valve condition, and basic clearance around fenders and suspension components should all be checked before regular road use.
It also helps to recheck lug torque, look for uneven ride height, and watch for any rubbing during the first miles of driving. A Challenger with staggered-looking visual cues can still have trim-specific fitment rules, so do not assume one 20-inch size belongs everywhere. Any vibration, pull, or unexpected contact point should be corrected before longer trips.
How often should tires on a 2015 Dodge Challenger be inspected?
Tires on a 2015 Dodge Challenger should be inspected regularly, not just when tread looks worn. A quick visual check before driving and a more careful inspection at routine service intervals helps catch uneven wear, sidewall damage, punctures, low pressure, and signs that the car's alignment or suspension may be affecting the tire contact pattern.
Performance-oriented cars can hide fitment issues until wear becomes noticeable, especially when wider tires are involved. Watch for shoulder wear, air loss, cuts, bulges, and any contact marks inside the wheel opening. On a Challenger that sees seasonal use or long storage periods, inspect age-related condition as carefully as tread depth before putting the car back on the road.
