Fourth generation (8Y, 2020-present) · Premium family hatchback
Car covers for the Audi A3 sit at the boring end of accessories, but the wrong pick creates work rather than saves it. The current A3 falls in the compact hatchback class at around 4300 mm, which sets the sizing bracket.
Second generation (F3, 2018-present) · Premium compact crossover
Cover fitment for the Audi Q3 comes down to three things: the body length band, the roof-rail configuration on your trim, and whether the paint is exposed to daily UK weather.
Three products we would look at first in this category. Fit for your Audi still comes first: check the compatibility list on the listing against your exact model and year, and read the model guide above.
MaypoleBreathable Full Car Cover (medium)
Breathable, water-resistant cover sized for medium cars.