Aston Martin DB12 tire and wheel sizes

The Aston Martin DB12 was approved in Switzerland between 2023 and 2026 with tires from 315/30R21 to 325/30R21 on 21″ wheels. The most common sizes are 275/35R21, 315/30R21, 325/30R21. Some versions use different sizes front and rear (staggered fitment).

Sizes differ by engine, trim and market. Confirm with the tire placard (usually on the driver's door jamb), the owner's manual or the vehicle registration papers before buying tires or wheels.

Most common sizes

Aston Martin DB12 (2023–2026) type AM5SS

17 approved versions, e.g. DB12 Volante, DB12, DB12 S, DB12 S Volante.

Tire sizeAxleLoad / speedRim and offsetVersions
275/35R21 Front 103Y 9.5Jx21 ET43 17
315/30R21 Rear 105V 11.5Jx21 ET44 17
325/30R21 Rear 108Y 11.5Jx21 ET44 17

How to read this table

Rim and offset uses the European notation: 7Jx17 ET45 is a 7-inch wide, 17-inch diameter wheel with a 45 mm offset. "Versions" is how many approved versions list that size — a rough guide to how common it is. Load / speed is the most frequent service description (for example 91V) among them; your car may require a higher one.

Showing 17 of 17 approvals: rare special versions are left out to keep the page readable. Records were read from the German-language text and checked against the French text; 100 % matched exactly.

Source: Swiss Federal Roads Office (FEDRO/ASTRA), open government data. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.