The 2023 Audi A5 Sportback blends coupe-like roofline styling with the everyday practicality of a four-door hatchback, making it one of the more versatile modern Audi designs. Buyers are often drawn to it for its balance of premium road manners, clean European proportions, and strong all-around usability. Tire fitment centers on two radial sizes, 245/40R18 and 255/35R19, so the first step is confirming which wheel diameter is on the car. From there, the decision shifts toward tire character, including blackwall performance options and, in 18-inch fitment, redline or raised white letter choices for a more distinctive look.
Which Tire Size Is Right for The 2023 Audi A5 Sportback
The 2023 Audi A5 Sportback uses two primary tire sizes, and both are radial fitments tied to different wheel diameters: 18-inch and 19-inch. Every covered sub-model can use either size, so the key step is confirming the actual wheels on the vehicle before choosing a tire. Once wheel diameter is confirmed, the real comparison becomes tread type, sidewall style, brand, and the kind of driving the car sees most often.
Fit(s): Premium (201 hp), Premium (261 hp), Premium Plus (201 hp), Premium Plus (261 hp), Prestige (201 hp), and Prestige (261 hp)
Construction: Radial|Rim: 18 in
245/40R18 is a metric radial size where 245 identifies nominal section width in millimeters, 40 is the aspect ratio, R denotes radial construction, and 18 is the wheel diameter in inches. On the 2023 Audi A5 Sportback, this size is one of the main factory-style fitments and keeps the decision focused on 18-inch wheel setups. Available choices include blackwall performance tires from BFGoodrich, Nitto, M&H Racemaster, and Pro-Trac, along with redline and raised white letter options in the same general size. This size is the right place to start when the car is running 18-inch wheels and the goal is matching tire character to appearance and use.
Fit(s): Premium (201 hp), Premium (261 hp), Premium Plus (201 hp), Premium Plus (261 hp), Prestige (201 hp), and Prestige (261 hp)
Construction: Radial|Rim: 19 in
255/35R19 is a metric radial size in which 255 refers to nominal width in millimeters, 35 indicates the aspect ratio, R marks radial construction, and 19 is the rim diameter in inches. For the 2023 Audi A5 Sportback, this size serves the 19-inch wheel fitment and represents a distinct wheel-and-tire package from the 18-inch option. Available products in this size center on blackwall BFGoodrich g-Force series tires, including all-season and sport-oriented lines. It is the size to evaluate when the car already wears 19-inch wheels and the priority is staying with the correct diameter while comparing series and rim-width compatibility.
Tire fitment is straightforward across the covered 2023 Audi A5 Sportback sub-models because each one uses the same two radial size options. The important check is not trim level or horsepower rating, but whether the car is equipped with 18-inch or 19-inch wheels.
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2023 Audi A5 Sportback Premium (201 hp)
The 2023 Audi A5 Sportback Premium (201 hp) uses the same 245/40R18 and 255/35R19 radial tire sizes seen across the broader model range. Tire selection comes down to confirming the wheel diameter on the car, then choosing among the available sidewall styles, brands, and tire series in that matching size.
The 2023 Audi A5 Sportback Premium (261 hp) follows the same two-size radial fitment pattern, with both 18-inch and 19-inch tire sizes used on this sub-model. That keeps the decision centered on the actual wheel package rather than engine output, followed by the preferred tire series and appearance.
The 2023 Audi A5 Sportback Premium Plus (201 hp) shares the same radial tire sizing choices as the other covered Sportback variants. Once the wheel diameter is confirmed, the buyer can focus on whether a blackwall performance tire or a more distinctive 18-inch sidewall treatment better suits the car.
The 2023 Audi A5 Sportback Premium Plus (261 hp) uses the same two radial fitment paths, so tire choice is tied to wheel diameter rather than a unique sub-model-only size. That makes wheel confirmation the first step, followed by comparing available brand, series, and rim-width specifications within the correct size.
The 2023 Audi A5 Sportback Prestige (201 hp) uses the same 18-inch and 19-inch radial tire sizes as the other covered trims. Selection is therefore less about trim-specific fitment and more about matching the installed wheels to the right size, then choosing the tire style and series that fit the car's intended use.
The 2023 Audi A5 Sportback Prestige (261 hp) also shares the same two tire sizes, keeping fitment consistent across the range. For this sub-model, the practical question is simply whether the car has 18-inch or 19-inch wheels, then which available radial tire best matches appearance and road 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 2023 Audi A5 Sportback Tires for Sale
Available 2023 Audi A5 Sportback tire choices center on 245/40R18 and 255/35R19 radial fitments, with offerings from BFGoodrich, Nitto, M&H Racemaster, and Pro-Trac. Buyers can compare blackwall performance tires across several series, while 18-inch options also include redline and raised white letter sidewall treatments.
These 2023 Audi A5 Sportback tire FAQs focus on the two correct radial sizes, 18-inch versus 19-inch wheel fitment, available brands and sidewall styles, and the key inspection points to review before regular road use.
Tire Size & Fitment
What tire size fits a 2023 Audi A5 Sportback?
The 2023 Audi A5 Sportback uses two primary tire sizes: 245/40R18 and 255/35R19. Both are radial fitments, and both appear across the covered Premium, Premium Plus, and Prestige sub-models, including the 201 hp and 261 hp versions.
The important distinction is wheel diameter. A car with 18-inch wheels needs the 245/40R18 size, while a car with 19-inch wheels needs 255/35R19. Before choosing a tire, confirm the actual wheel setup on the vehicle, especially if it was purchased used or has had wheels changed since new.
What size rim does a 2023 Audi A5 Sportback use?
The 2023 Audi A5 Sportback uses either an 18-inch or 19-inch rim, depending on which of the two primary tire sizes is on the car. The 245/40R18 tire is matched to an 18-inch rim, and the 255/35R19 tire is matched to a 19-inch rim.
That makes wheel diameter the first fitment check before comparing tires. It is also useful to verify wheel width, since product options within each size carry their own rim-width ranges. On a modern car like the A5 Sportback, correct wheel and tire pairing matters for clearance, handling, and overall tire selection.
Do all 2023 Audi A5 Sportback sub-models use the same tire size?
The covered 2023 Audi A5 Sportback sub-models share the same two tire sizes rather than using unique trim-specific sizes. Premium, Premium Plus, and Prestige versions in both 201 hp and 261 hp form can use 245/40R18 or 255/35R19, depending on wheel package.
That means trim name alone does not settle the tire question. The better approach is to check the car itself for its installed wheel diameter and current size markings. Once that is confirmed, selection becomes much easier because the remaining differences are brand, tire series, sidewall style, and rim-width suitability.
Choosing the Right Tire
What should I consider when choosing a 245/40R18 tire for a 2023 Audi A5 Sportback?
Start with the fact that 245/40R18 is an 18-inch radial fitment for the 2023 Audi A5 Sportback. From there, compare the available tire types in that size, which include blackwall performance options from BFGoodrich, Nitto, and M&H Racemaster, plus Pro-Trac choices with redline or raised white letter sidewalls.
The best choice depends on how the car is used and how it should look. Some tires emphasize traditional blackwall performance styling, while others add a more distinctive sidewall presentation. It also helps to compare rim-width specifications, load figures where shown, and whether the car remains on its original wheel setup.
What sidewall styles are available for 2023 Audi A5 Sportback tires?
Sidewall choices for the 2023 Audi A5 Sportback include blackwall, redline, and RWL, or raised white letter, depending on tire size and product line. Blackwall appears across both primary sizes, while redline and RWL options are available in the 245/40R18 fitment.
That gives the 18-inch setup more visual variety if appearance matters as much as basic fitment. A blackwall tire keeps a more modern, understated look, while redline and raised white letter sidewalls create a stronger styling statement. Sidewall style should still be chosen only after confirming the correct wheel diameter and matching tire size.
What brands offer tires for the 2023 Audi A5 Sportback?
Tires for the 2023 Audi A5 Sportback are available from BFGoodrich, Nitto, M&H Racemaster, and Pro-Trac within the applicable 245/40R18 and 255/35R19 sizes. BFGoodrich appears in both primary sizes, while Nitto, M&H Racemaster, and Pro-Trac are available in the 18-inch fitment.
Brand choice is only one part of the decision. It still helps to compare tire series, sidewall style, and the wheel-width range each product supports. On this Audi, selecting the correct size for the installed wheel diameter remains the first step, then the available brands can be narrowed by appearance and intended use.
Restoration & Appearance
Which tire should I choose for a period-style 2023 Audi A5 Sportback?
A 2023 Audi A5 Sportback is a modern vehicle, so period-style usually means preserving a clean contemporary presentation rather than recreating an older factory-era look. That often points buyers toward the correct radial size already on the car, then to a tire whose sidewall style matches the overall character they want.
For a subtle modern appearance, blackwall options are the most natural fit in both sizes. If the car runs 18-inch wheels and a more customized visual statement is the goal, redline or raised white letter choices are also available. The key is choosing the correct size first, then letting sidewall treatment shape the final look.
How does tire construction affect the appearance of a restored or customized 2023 Audi A5 Sportback?
On the 2023 Audi A5 Sportback, tire construction is less of a visual divide than it would be on an older collector car because the primary fitments are already radial. The bigger appearance difference comes from sidewall style, with blackwall offering a clean contemporary look and certain 18-inch options adding redline or raised white letter presentation.
That means the visual decision is more about tire series and sidewall treatment than choosing between bias-ply and radial construction. A customized Sportback can take on a different personality with those details alone. Even so, appearance should stay secondary to correct size, proper wheel diameter, and sensible fitment for the way the car is driven.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2023 Audi A5 Sportback?
Yes, modifications can affect tire fitment on a 2023 Audi A5 Sportback even when the tire size itself is correct. Changes such as aftermarket wheels, different wheel widths, altered offsets, suspension lowering, or body modifications can all influence how a 245/40R18 or 255/35R19 tire sits and clears.
A car that has been changed from its original setup should be checked more carefully before a new set of tires is chosen. Wheel diameter is only the starting point. Clearance at the fender, inner suspension area, and steering range should all be reviewed, especially when moving between different wheel designs or modified ride heights.
What should I inspect before driving a 2023 Audi A5 Sportback on new tires?
Before driving a 2023 Audi A5 Sportback on new tires, confirm that the size matches the installed wheel diameter and that each tire is mounted on an appropriate wheel width. It is also smart to inspect inflation pressure, look for any visible mounting damage, and make sure there is no rubbing at full steering lock.
A short road check can reveal vibrations, unusual noise, or clearance issues before regular driving begins. It also helps to recheck pressure after the first few drives and keep an eye on even tread wear as the miles build. Those basic steps help confirm the new tires are working properly with the car's setup.
How often should tires on a 2023 Audi A5 Sportback be inspected?
Tires on a 2023 Audi A5 Sportback should be inspected regularly rather than only when wear becomes obvious. A visual check for cuts, punctures, irregular tread wear, bulges, and air loss is worthwhile on a routine basis, especially on a modern performance-oriented fitment with lower-profile sidewalls.
Inspection is particularly important after pothole impacts, wheel changes, or any suspension work. Even a car that looks fine from a distance can develop shoulder wear or sidewall damage that affects road use. Keeping pressure correct and catching early wear patterns can help protect both tire life and overall driving quality.
