Maserati GranTurismo tire and wheel sizes

The Maserati GranTurismo was approved in Switzerland between 2007 and 2026 with tires from 245/40R19 to 295/30R21 on 19″, 20″, 21″ wheels. The most common sizes are 295/30R21, 245/40R19, 285/40R19. 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

Maserati GranTurismo ? (2023–2026) type M189

19 approved versions, e.g. GranTurismo ?.

Tire sizeAxleLoad / speedRim and offsetVersions
265/30R20 Front 94Y 9.5Jx20 ET45/50 14
265/35R20 Front 99Y 9.5Jx20 ET45/50 9
295/30R21 Rear 102Y 10.5Jx21 ET45/50 19

Maserati Granturismo (2007–2019) type M145

18 approved versions, e.g. Granturismo, Granturismo S Aut, Granturismo S, Granturismo Sport.

Tire sizeAxleLoad / speedRim and offsetVersions
245/40R19 Front — 8.5Jx19 ET52 18
285/40R19 Rear — 10.5Jx19 ET37.5 18
245/35R20 Front — 8.5Jx20 ET52 18
285/35R20 Rear — 10.5Jx20 ET37.5 18

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 37 of 37 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.