2013 Audi Tire Fitment Guide

2013 Audi vehicles use these sizes across the model range: 225/45R17 and 225/40R18 for A3 and A3 Quattro; 225/50R17, 245/45R17, 245/40R18, and 255/35R19 for A4 and A4 Quattro; 245/40R18 and 255/35R19 for A5, A5 Quattro, and S4; 225/55R17, 245/45R18, 255/40R19, and 255/35R20 for A6-family models depending on version; 255/45R18, 255/40R19, and 265/35R20 for A7 Quattro; 255/45R19 and 265/40R20 for A8 Quattro; 245/45R18 and 245/40R19 for Allroad; 265/35R19 and 275/30R20 for RS5; 265/30R20 for one S5 fitment; and 265/35R21 plus 275/35R21 for S8.

Rim diameters span 17 through 21 inches, so year and make alone are not enough to choose a tire for 2013 Audi. Start by confirming the exact model and the wheel diameter already on the car, then compare the size printed on the sidewall. If your Audi has been changed from its original wheel package, the tire search should follow the actual wheel on the car rather than the broad model family.

On a 2013 Audi tire, 225/55R17 is a metric radial size. The 225 is the nominal section width in millimeters, 55 is the aspect ratio, the R means radial construction, and 17 is the wheel diameter in inches. Within the 2013 Audi range, this size applies to the A6 and A6 Quattro and is offered in both blackwall and wide whitewall versions.

That code matters because it tells you both the wheel diameter and the tire’s general sidewall proportion. A 225/55R17 has a taller sidewall than many sport-package Audi sizes from the same year, so it should not be mixed casually with lower-profile 18-, 19-, or 20-inch alternatives. If your A6-family car currently wears 17-inch wheels, this code is the first checkpoint before comparing brands and sidewall style.

No, 2013 Audi models do not use the same tire size. The range covers compact A3 models, midsize A4 and A6 cars, fastback A7 models, the flagship A8, Allroad wagons, TT sports cars, and higher-output S and RS variants. Those differences bring a broad spread of wheel diameters and section widths, from 225-millimeter widths on some 17-inch applications to 275-millimeter widths on 20- and 21-inch performance fitments.

That means a 2013 Audi buyer needs to identify the model first and the wheel package second. Even closely related vehicles such as A4 and A4 Quattro, or A6 and A6 Quattro, can share some sizes while also offering additional alternatives. When an Audi has multiple factory wheel options, the most reliable next step is checking the tire size currently mounted or the placard information before narrowing down a replacement.

Most 2013 Audi tire sizes here are available as blackwalls, which suits the original modern European luxury and performance character of the lineup. A few sizes add alternate looks: 225/55R17 is available in wide whitewall form, 265/35R20 can be had as blackwall, redline, or RWL, and 255/45R18 includes blackwall and RWL choices. Those alternate sidewall treatments are visual choices rather than broad year-make standards across the entire Audi range.

For a factory-style appearance on most 2013 Audi models, blackwall is usually the most natural fit. The whitewall, redline, and raised-white-letter options are more custom in flavor and make the strongest sense when a buyer is intentionally changing the car’s look. Because sidewall style varies by size, confirm the exact tire size first, then decide whether you want a stock-appearing presentation or a more personalized visual treatment.

2013 Audi tire coverage here comes from BFGoodrich, Nitto, M&H Racemaster, and Pro-Trac, depending on the size. BFGoodrich appears across the broadest spread of Audi sizes, Nitto covers many of the same modern radial fitments, M&H Racemaster appears in select 245/40R18 and 245/45R17 applications, and Pro-Trac appears in 265/35R20 and 255/45R18 with alternate sidewall styling. The brand mix changes noticeably from one size to another.

That matters because you should shop by your exact size first, not by brand alone. Some 2013 Audi sizes offer only one brand family, while others give you a mix of mainstream blackwall performance radials and more specialized appearance-oriented choices. Once your size is confirmed, compare the available series within that size for speed rating, sidewall appearance, and the wheel-width compatibility that matches your Audi’s actual wheel.

For 2013 Audi fitments where both appear, BFGoodrich g-Force COMP-2 A/S and BFGoodrich g-Force Phenom T/A share the same general blackwall radial format but can differ in speed rating and load figures by size. In 255/35R19, for example, g-Force COMP-2 A/S appears with a W rating while g-Force Phenom T/A carries a Y rating. In 245/45R18 and 255/40R19, the Phenom T/A also carries Y-rated versions where the companion COMP-2 A/S examples are W- or Y-rated depending on product.

The practical takeaway is to compare the exact size, speed symbol, and wheel-width range instead of assuming two BFGoodrich performance lines are interchangeable. If your 2013 Audi is driven mainly as a street car, either series may fit the basic dimensional requirement in the sizes where both are offered. If you are matching a particular wheel width or want a specific speed-rated version within that size, check the sidewall marking on the individual tire before deciding.

Rim-width requirements on 2013 Audi tires vary by size. Examples include 225/45R17 at roughly 7.0 to 8.5 inches on several products, 245/40R18 at about 8.0 to 9.5 inches, 255/35R19 at 8.5 to 10.0 inches, 245/45R18 at about 7.5 to 9.0 inches, and 265/35R20 at 9.0 to 10.5 inches where that range is stated. Some sizes also include a product with a single recommended wheel width rather than a broad range.

That means wheel diameter alone is not the whole story on a 2013 Audi. Two tires may share the same rim diameter but expect different wheel widths for proper profile and support. Before choosing a tire, confirm the actual wheel width stamped on the wheel or verify it through a trusted parts reference. That step is especially important on Audis with optional sport packages, aftermarket wheels, or staggered performance setups.

The available 2013 Audi tire products here are modern radials, and the size markings include tubeless indicators on some products such as XLTL examples. No tube-type markings appear in these fitments. That places the year-make range squarely in the modern tubeless category rather than in the tube-required vintage patterns seen on much older vehicles.

In practice, 2013 Audi owners should focus more on wheel condition, valve stems, and proper sealing than on inner-tube selection. If the car still uses original wheels, inspect the bead seat and valve hardware closely, especially on a vehicle that sits for long periods. When replacing tires, match the valve stem service to the wheel and the intended road use so the installation remains consistent with a modern tubeless setup.

A stored 2013 Audi benefits from the same careful tire habits as any collector or low-use modern car: keep it out of direct sunlight, away from ozone-producing equipment such as electric motors and welders, and off wet or contaminated floors. Maintain inflation pressure, keep the car clean and dry, and move it periodically so one contact patch is not bearing the load in exactly the same spot for months at a time.

If the car will sit through a long off-season, many owners either roll it occasionally or support it in a way that reduces prolonged static loading. That is especially useful on low-profile Audi fitments, where cosmetic sidewall aging becomes easy to spot. A breathable cover, stable temperatures, and a quick pressure check before and after storage all help preserve the tire casing and the car’s road manners.

On a 2013 Audi, tire age is usually a more important factor than mileage because many enthusiast-owned cars are driven less than a daily commuter. A practical rule is to begin evaluating tires closely at about five to seven years of age and to treat around ten years as a serious replacement point regardless of remaining tread. The DOT date code on the sidewall is the best way to establish actual tire age.

That matters because a lightly driven Audi can still have aging rubber, even when the tread looks healthy. Heat cycles, storage conditions, sunlight exposure, and time all affect the tire casing and compound. If a 2013 Audi still wears older tires from a prior ownership period, replacing them can be wise even if miles are low. Tread depth tells only part of the story on a modern collector or weekend car.

Tires on a 2013 Audi should be inspected before every drive and again before any longer highway outing. Look for sidewall cracking, cuts, bubbles, irregular tread wear, and signs of impact damage from potholes or curbing. Pressure loss deserves attention as well, especially on low-profile 18-, 19-, 20-, and 21-inch Audi applications where underinflation can affect ride, handling, and wheel protection quickly.

A more thorough inspection a few times each season is a smart habit on enthusiast-driven Audis. Check the inside sidewall if the wheel design allows it, examine the tread shoulders for uneven wear, and make sure valve stems are in good condition. If the car is stored part of the year, inspect again before returning it to regular use. Catching age cracks or impact damage early is far easier than discovering them on the road.

Yes, the 2013 Audi tire sizes with available products are modern radial designs suited to normal highway use when they are in good condition, properly inflated, and matched to the correct wheel. Speed ratings in these sizes include W at 168 mph and Y at 186+ mph, depending on the product. Those ratings exceed normal U.S. highway speeds by a wide margin, although the tire must still be used within its load, pressure, and condition limits.

Real-world safety on a 2013 Audi depends as much on maintenance as on the speed symbol molded into the sidewall. Alignment, brake condition, suspension wear, and tire age all shape highway behavior, especially on low-profile Audi fitments. A fresh, correctly sized radial on a sound wheel is the goal; an old or damaged tire with plenty of tread is not. Confirm the exact size and rating before any extended road use.

Inflation pressure on 2013 Audi tires should follow the vehicle placard or owner’s manual for the car’s original operating recommendation, then be checked against the tire maker’s sidewall information and load capability for the exact replacement size. Some available products show maximum load at 50 psi or 51 psi, such as 225/40R18 at 1,389 pounds at 50 psi, 255/45R18 at 1,929 pounds at 50 psi, and 255/35R19 at up to 2,041 pounds at 50 psi.

Those numbers are not blanket running pressures for every 2013 Audi. They are load-and-pressure reference points tied to specific tire constructions and sizes. The right approach is to use the carmaker’s recommended cold inflation as your starting point for normal road use, then verify that the chosen tire is appropriate for the vehicle’s load and wheel package. Never transfer a pressure figure from one Audi size to another just because the models are related.

Before a longer drive in a 2013 Audi, inspect all four tires for cracking, punctures, bulges, cuts, and uneven wear, then confirm cold inflation pressures. Check the spare as well if the car has one, and make sure the valve stems are in good shape. On larger 19-, 20-, and 21-inch Audi fitments, also look closely for wheel damage from potholes or prior curb strikes, since low-profile tires can mask wheel issues until vibration appears at speed.

Tires are only one part of the pre-trip routine on a 2013 Audi, but they are the part in constant contact with the road. If the car has been sitting, take a short local drive first and watch for vibration, pull, or pressure loss before committing to distance. Pair the tire inspection with a broader check of brakes, fluids, and suspension so the car’s luxury or performance capability is backed by dependable road readiness.