Published by Rims & Tires
Compiled & checked by the site's publisher from manufacturer, NHTSA & USTMA data · Updated 2026-07-24
The Audi SQ5 occupies a compelling position: a family SUV with genuine sports car dynamics. Its sport-tuned suspension and Quattro all-wheel drive are matched by factory tires chosen for handling precision and high-speed stability. Getting the replacement spec right preserves what makes the SQ5 rewarding to drive.
Stock Tire Sizes
2018 to 2020 Audi SQ5 B9: 255/45R20 on standard 20-inch wheels. Some market configurations offered 255/40R21 as an option.
2021 to 2025 Audi SQ5 B9.5: 255/45R20 on 20-inch wheels or 255/40R21 on 21-inch wheels depending on package. Both specs are uniform front and rear — not staggered — so tires can be rotated normally.
Verify your size on the driver-side door jamb sticker, as optional wheel packages can alter the tire spec from what shipped from the factory.
Top Tire Picks for the Audi SQ5
Continental SportContact 6: a top summer choice for the SQ5 — where offered with the AO (Audi Original) stamp, it was co-developed for Audi suspension geometry and handling targets. Outstanding wet and dry balance, precise steering feel, and long treadwear for a performance tire.
Michelin Pilot Sport 4S: the enthusiast upgrade over the OEM Continental. Exceptional dry-road grip, strong wet performance, and a confident, connected steering feel. The best overall tire if you drive the SQ5 with intent.
Pirelli P Zero PZ4: available with Audi approval markings on certain specifications. Excellent high-speed stability and a refined ride quality that suits the SQ5 character. Strong choice for drivers who split time between comfort and performance.
Bridgestone Potenza Sport: track-capable daily tire with excellent dry grip and progressive handling at the limit. Slightly louder than the Michelin at highway speed but offers outstanding grip for the price.
Goodyear Eagle F1 Asymmetric 6: Goodyear's flagship ultra-high-performance tire with strong dry and wet grip at a competitive price. Treat it as a fair-weather choice and pair it with a winter plan if cold-month capability is a concern.
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What to Watch When Replacing SQ5 Tires
AO approval codes: some premium replacement tires are offered in AO (Audi Original) spec, meaning the tire was specifically tested on Audi platforms. You can run non-AO tires that meet the size, load, and speed requirements — but AO-approved options have been validated to the suspension tuning.
Load index: the SQ5 is a heavy SUV with all-wheel drive hardware. The 255/45R20 and 255/40R21 specifications carry high load indices for the SUV's weight. Never go below the load index printed on your door-jamb sticker.
Speed rating: match or exceed the factory speed rating shown on your door-jamb sticker — performance SUVs ship with high speed ratings for a reason.
Best Tires for Audi SQ5 (B9 and B9.5, 2018-2025) at a glance
| Tire | Best For |
|---|---|
| Continental SportContact 6 | a top summer choice for the SQ5 — where offered with the AO (Audi Original) stamp, it was co-developed for Audi suspension geometry and handling targets. Outstanding wet and dry balance, precise steering feel, and long treadwear for a performance tire. |
| Michelin Pilot Sport 4S | the enthusiast upgrade over the OEM Continental. Exceptional dry-road grip, strong wet performance, and a confident, connected steering feel. The best overall tire if you drive the SQ5 with intent. |
| Pirelli P Zero PZ4 | available with Audi approval markings on certain specifications. Excellent high-speed stability and a refined ride quality that suits the SQ5 character. Strong choice for drivers who split time between comfort and performance. |
| Bridgestone Potenza Sport | track-capable daily tire with excellent dry grip and progressive handling at the limit. Slightly louder than the Michelin at highway speed but offers outstanding grip for the price. |
| Goodyear Eagle F1 Asymmetric 6 | Goodyear's flagship ultra-high-performance tire with strong dry and wet grip at a competitive price. Treat it as a fair-weather choice and pair it with a winter plan if cold-month capability is a concern. |
Frequently asked
What tire size does the Audi SQ5 use?
The B9 SQ5 (2018-2020) typically uses 255/45R20, with 255/40R21 optional. The B9.5 SQ5 (2021-2025) uses the same two sizes depending on wheel package. Verify on your driver-side door jamb sticker as optional wheel packages can change the spec.
What does AO mean on Audi tires?
AO stands for Audi Original — it means the tire was specifically engineered and tested to Audi performance and safety specifications for Audi vehicles. AO tires are co-developed with Audi engineers. You are not required to use AO tires, but they are validated to the SQ5 suspension tuning.
Can I use all-season tires on an Audi SQ5?
Yes, but options are limited in the SQ5 performance sizes. The Michelin Pilot Sport All Season 4 is the strongest option. For heavy snow, consider a second set of wheels with dedicated winter tires — the SQ5 with Quattro handles winter roads well but benefits from winter-specific compounds.
How do I know when my SQ5 needs new tires?
Look for tread worn toward the wear bars, sidewall cracks or bulges, tires past about six years, or a drop in the crisp steering the SQ5 is built around. Performance rubber on a heavy AWD SUV wears faster than touring tires, so check regularly. A shop can measure tread and inspect the sidewalls for you.
Should I replace all four tires on my SQ5 at once?
Yes, in most cases. Audi's Quattro system works best with all four tires matched in tread depth, and a big mismatch can strain the driveline. Since the SQ5 runs the same size front and rear, tires can be rotated to even out wear, but when the set is worn or aged, replace all four together. A shop can confirm your tread is still within Quattro's tolerance.
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Last updated 2026-07-24. General guidance only — confirm specifics with a local shop for your exact vehicle.