Maserati Gransport Coupe Tire Sizes & Rim Dimensions by Year and Trim
The Maserati Gransport Coupe features distinct tire size markings that vary depending on the model year and trim level. Early model years commonly use 18-inch rims with widths ranging from 8 to 9 inches, paired with tire sizes like 235/40ZR18 for the front and 275/35ZR18 for the rear.\n\nLater trims and model years often upgrade to 19-inch wheels, maintaining similar width dimensions but allowing for wider tires to enhance handling and performance. For example, the Sport trim may use 255/35ZR19 tires upfront and 295/30ZR19 at the rear.\n\nWhen comparing trims, it's essential to note the wheel diameter and width differences as they affect tire profiles and vehicle dynamics. Selecting proper tire sizes ensures compatibility, optimal grip, and maintains the vehicle's design aesthetics.\n\nAlways refer to official manufacturer markings on the tire sidewall and consult Maserati guidelines to confirm fitment, especially when considering aftermarket or replacement wheels for your Gransport Coupe.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| Maserati Gransport Coupe 4.2 | 2007 | 245/35R20 | 8.5" × 20" |
| Maserati Gransport Coupe 4.2 | 2006 | 245/35R20 | 8.5" × 20" |
| Maserati Gransport Coupe 4.2 | 2005 | 245/35R20 | 8.5" × 20" |
| Maserati Gransport Coupe 4.2 | 2004 | 245/35R20 | 8.5" × 20" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Maserati Gransport Coupe.
FAQ
- What tire sizes are standard on the Maserati Gransport Coupe?
- Standard tire sizes vary by year and trim, typically ranging from 235/40ZR18 front and 275/35ZR18 rear on earlier models to 255/35ZR19 front and 295/30ZR19 rear on later trims.
- How does rim width affect tire selection for the Gransport Coupe?
- Rim width determines the suitable tire width and profile; using tires too narrow or too wide for the rim can affect handling and safety, so matching tire dimensions to rim width is essential.
- Can I use rims from a different Gransport Coupe trim on my vehicle?
- Yes, provided the rim diameter, width, and bolt pattern match, but verify the tire size and clearance to ensure proper fitment and performance.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |
Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |