2017 Alfa Romeo Giulia 2.9 V6 Bi-Turbo Quadrifoglio
The 2017 Alfa Romeo Giulia 2.9 V6 Bi-Turbo Quadrifoglio tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Detailed tire and wheel breakdown for the 2017 Alfa Romeo Giulia
Tire geometry â 245/35R19
The 245/35R19 fitted to the 2017 Alfa Romeo Giulia has a section width of 245mm and an aspect ratio of 35%, mounted on a 19-inch rim. That gives a sidewall height of 85.8mm (3.38") and an overall outside diameter of 654.1mm (25.75"). At highway speed this tire completes roughly 487 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2017 Alfa Romeo Giulia while keeping the speedometer accurate, target a 255/29R20 (plus-one). For a softer ride or winter setup, a 235/42R18 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 2017 Alfa Romeo Giulia uses a 5x110 bolt pattern with a 65.1mm hub bore. Safe rim width range for the OEM tire is 8.0J â 9.0J, and offsets in the ET29 â ET39 window will clear suspension and fender without rubbing on most setups.
Staggered setup notes
The 2017 Alfa Romeo Giulia ships staggered: 245/35R19 up front and 285/30R19 on the rear. That is a 285mm vs 245mm width difference â do not rotate front-to-rear, and replace tires in axle pairs to keep ABS and traction control balanced.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2017 Alfa Romeo Giulia is printed on the driver-side door jamb sticker â always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
Fitment Specifications
| Engine & Trim | Tire Size | Rim Size | Offset (ET) |
|---|---|---|---|
| 2.9 V6 Bi-Turbo Quadrifoglio | 245/35R19 Rear: 285/30R19 | 19" x 8.5 | ET34 |
Frequently Asked Questions
What tire size does the 2017 Alfa Romeo Giulia 2.9 V6 Bi-Turbo Quadrifoglio use?
The 2017 Alfa Romeo Giulia 2.9 V6 Bi-Turbo Quadrifoglio uses 245/35R19 tires as standard equipment.
What is the bolt pattern of the 2017 Alfa Romeo Giulia 2.9 V6 Bi-Turbo Quadrifoglio?
The 2017 Alfa Romeo Giulia 2.9 V6 Bi-Turbo Quadrifoglio has a 5x110 bolt pattern with a center bore of 65.1mm.
What is the wheel offset of the 2017 Alfa Romeo Giulia 2.9 V6 Bi-Turbo Quadrifoglio?
The 2017 Alfa Romeo Giulia 2.9 V6 Bi-Turbo Quadrifoglio has a wheel offset of ETET34.