The 2021 Audi Trucks RS Q8 sits at the high-performance end of the modern luxury SUV market, blending coupe-like styling with the stance and capability of a large sport utility. That mix of size, speed, and aggressive factory wheel packages makes tire fitment especially important on this model. The 2021 Audi Trucks RS Q8 uses two primary radial sizes, 295/35R23 and 295/40R22, both tied to 22-inch or 23-inch wheel fitment rather than different tire constructions. The real choice is confirming which wheel diameter is on the vehicle and then selecting the right tire within that size. That matters even more on vehicles with appearance packages, brake-package differences, or aftermarket wheel changes.
Which Tire Size Is Right for The 2021 Audi Trucks RS Q8
Two tire sizes apply to the 2021 Audi Trucks RS Q8, and both are modern radial fitments. The key step is confirming whether the vehicle is on 22-inch or 23-inch wheels, since 295/40R22 and 295/35R23 use different rim diameters even though they share the same nominal section width. Both covered sub-models use either size, so wheel diameter matters more than trim name when selecting tires.
A 295/35R23 tire uses a 295-millimeter nominal section width, a 35-series aspect ratio, radial construction, and a 23-inch rim diameter. On the 2021 Audi Trucks RS Q8, this size suits vehicles equipped with 23-inch wheels and reflects the low-profile, performance-oriented sizing expected on a high-output luxury SUV. Its short sidewall changes the fitment conversation from basic width alone to wheel confirmation, clearance, and overall setup accuracy. This is the size to evaluate when the vehicle already wears 23-inch wheels and the goal is to maintain the intended diameter and profile relationship.
A 295/40R22 tire also uses a 295-millimeter nominal section width, but the 40-series profile pairs with a 22-inch rim instead of a 23-inch wheel. For the 2021 Audi Trucks RS Q8, that makes it a distinct primary fitment rather than a variation of the 23-inch size. The added sidewall height relative to the 23-inch option does not change its status as a modern radial fitment, but it does mean the tire belongs with the correct wheel diameter. This size should be chosen only after confirming the vehicle is equipped with 22-inch wheels.
Tire fitment is straightforward across the covered 2021 Audi Trucks RS Q8 sub-models because both share the same two primary radial sizes. The important check is not the sub-model name alone, but whether the vehicle is actually wearing 22-inch or 23-inch wheels.
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2021 Audi Trucks RS Q8 Base
The 2021 Audi Trucks RS Q8 Base can use either 295/35R23 or 295/40R22, both in radial construction. Tire selection starts with confirming the installed wheel diameter, then matching the tire size to that wheel rather than assuming one size applies to every Base model on the road.
The 2021 Audi Trucks RS Q8 w/Ceramic Brake Pkg. also uses 295/35R23 or 295/40R22 radial tires. That means buyers should verify the actual wheel setup on the vehicle, especially if brake-package, wheel-package, or prior owner changes may have altered what is currently installed.
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.
Frequently Asked Questions
For the 2021 Audi Trucks RS Q8, the biggest questions center on choosing between 295/35R23 and 295/40R22, confirming wheel diameter, and understanding how wheel, brake-package, or aftermarket changes can affect fitment before road use.
Tire Size & Fitment
What tire size fits a 2021 Audi Trucks RS Q8?
The 2021 Audi Trucks RS Q8 uses two primary tire sizes: 295/35R23 and 295/40R22. Both are radial fitments, and both appear across the covered RS Q8 configurations, including the Base model and the version with the Ceramic Brake Package.
The deciding factor is the wheel diameter on the vehicle. A 295/35R23 belongs on a 23-inch wheel, while a 295/40R22 belongs on a 22-inch wheel. Before choosing a tire, confirm the actual wheel setup on the SUV, especially if it has been fitted with different wheels than it left the showroom with.
What size rim does a 2021 Audi Trucks RS Q8 use?
The 2021 Audi Trucks RS Q8 uses either a 23-inch rim with 295/35R23 tires or a 22-inch rim with 295/40R22 tires. Those are two separate primary fitments, and the tire size must match the wheel diameter exactly.
That makes rim confirmation the first step in tire selection. Checking the sidewall size on the current tire and verifying the wheel itself can prevent ordering the wrong fitment. Even though both sizes share the same 295-millimeter nominal width, they are not interchangeable across 22-inch and 23-inch wheels.
Do all 2021 Audi Trucks RS Q8 sub-models use the same tire size?
The covered 2021 Audi Trucks RS Q8 sub-models share the same pair of tire sizes: 295/35R23 and 295/40R22. That includes both the Base version and the RS Q8 with the Ceramic Brake Package, so fitment remains consistent at the sub-model level.
What still needs to be confirmed is which of those two sizes is actually on the vehicle. Shared sub-model fitment does not remove the need to verify wheel diameter, because the RS Q8 can be equipped with either 22-inch or 23-inch wheels. That wheel check matters more than the trim label when replacing tires.
Choosing the Right Tire
What should I consider when choosing a 295/35R23 tire for a 2021 Audi Trucks RS Q8?
A 295/35R23 for the 2021 Audi Trucks RS Q8 needs to match a vehicle equipped with 23-inch wheels. Beyond the size itself, the main considerations are maintaining the correct rim diameter relationship and choosing a tire suited to the vehicle's performance-oriented SUV character.
Selection should start with confirming that 23-inch wheels are actually installed, then checking that the vehicle has adequate clearance and no setup changes that could affect fitment. On a low-profile size like this, wheel condition and accurate sizing matter, especially if the RS Q8 has aftermarket wheels or has been altered from its original wheel package.
What should I consider when choosing a 295/40R22 tire for a 2021 Audi Trucks RS Q8?
A 295/40R22 is one of the two correct primary tire sizes for the 2021 Audi Trucks RS Q8, and it must be paired with a 22-inch wheel. It keeps the same nominal 295-millimeter section width as the 23-inch option, but it belongs to a different wheel and sidewall combination.
The practical concern is making sure the vehicle is truly set up for 22-inch fitment before replacement. Wheel swaps, tire changes by previous owners, and package differences can create confusion, so checking the current wheel diameter is essential. Once that is confirmed, compare tire choices within the 295/40R22 size rather than cross-shopping it against the 23-inch fitment.
How do I choose between the available tire sizes for a 2021 Audi Trucks RS Q8?
The 2021 Audi Trucks RS Q8 does not ask you to choose between two sizes based on preference alone. The correct choice is determined by the wheel diameter on the vehicle: 295/35R23 for 23-inch wheels and 295/40R22 for 22-inch wheels.
That means the first step is inspection, not substitution. Check the current tire sidewall, confirm the wheel diameter, and verify that the SUV has not been modified with aftermarket wheels or changes that affect clearance. Once the installed wheel size is confirmed, compare tires only within that matching size and construction.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2021 Audi Trucks RS Q8?
Yes, modifications can affect tire fitment on a 2021 Audi Trucks RS Q8 even when the replacement tire appears close in size. Aftermarket wheels, suspension changes, lowering, brake upgrades, or body alterations can all change the clearance and wheel requirements around a 295/35R23 or 295/40R22 fitment.
That is why the actual setup on the SUV should be checked before replacing tires. Confirm wheel diameter first, then look at wheel width, steering clearance, and any signs of rubbing under load or at full lock. On a performance SUV with large-diameter wheels, small setup differences can matter more than they would on a more forgiving fitment.
What should I inspect before driving a 2021 Audi Trucks RS Q8 on new tires?
Before driving a 2021 Audi Trucks RS Q8 on new tires, inspect that the installed size matches the wheel diameter, verify air pressure, and check for proper bead seating and clearances. It is also smart to confirm there is no interference at the fender, suspension, or steering range.
A quick walkaround should include looking for sidewall contact marks, uneven ride height, and any sign that the wheels or tires were installed on a modified setup. Large 22-inch and 23-inch fitments leave less margin for error than smaller, taller-sidewall tires, so a careful post-installation check helps avoid vibration, rubbing, or premature wear.
How often should tires on a 2021 Audi Trucks RS Q8 be inspected?
Tires on a 2021 Audi Trucks RS Q8 should be inspected regularly, not just when tread looks low. Air pressure, tread wear pattern, cuts, bulges, punctures, and sidewall damage all deserve attention, especially on low-profile high-performance SUV fitments such as 295/35R23 and 295/40R22.
A practical routine is to check them before longer drives and any time ride quality or steering feel changes. Large-diameter wheels and short sidewalls can make pothole damage or impact-related issues more important to catch early. Consistent inspection also helps identify alignment or suspension problems before they shorten tire life.
