Alfa Romeo 4C Tire Sizes and Rim Dimensions by Model Year and Trim

The Alfa Romeo 4C, known for its lightweight design and agile performance, features varying tire size markings and rim dimensions depending on the model year and trim level. Typically, front tire sizes range from 215/40ZR18 to 205/40ZR18, with rear tires commonly sized at 235/35ZR19 or 245/35ZR19, reflecting the staggered setup that enhances handling.\n\nRim widths for the 4C generally vary between 7.5 inches to 8.5 inches on the front and 8.5 inches to 9.0 inches on the rear, paired respectively with 18- to 19-inch diameters. These dimensions shift slightly between base and more performance-focused trims, impacting grip and ride comfort.\n\nWhen comparing trims, it's essential to note the subtle differences in tire width and rim specifications. Higher trims may feature wider rear wheels and tires for increased traction. Understanding these distinctions aids in selecting correct replacement tires and wheels that comply with Alfa Romeo's factory specifications, ensuring safety and preserving vehicle dynamics.\n\nFor accurate fitment, always verify tire sidewall markings and rim sizes specified for your specific Alfa Romeo 4C model year and trim. Consulting OEM recommendations helps maintain optimal performance and handling characteristics unique to this sports car.

Year
Make / model / trim Year Tire size Wheel
Alfa Romeo 4C 1.8 TBi2020205/40R177" × 17"
Alfa Romeo 4C 1.8 TBi2019205/40R177" × 17"
Alfa Romeo 4C 1.8 TBi2018205/40R177" × 17"
Alfa Romeo 4C 1.8 TBi2017205/40R177" × 17"
Alfa Romeo 4C 1.8 TBi2016205/40R177" × 17"
Alfa Romeo 4C 1.8 TBi2015205/40R177" × 17"
Alfa Romeo 4C 1.8 TBi2014205/40R177" × 17"
Alfa Romeo 4C 1.8 TBi2013205/40R177" × 17"

For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Alfa Romeo 4C.

FAQ

What are the common tire sizes for the Alfa Romeo 4C?
Common tire sizes include front 215/40ZR18 or 205/40ZR18, and rear 235/35ZR19 or 245/35ZR19 depending on the model year and trim.
How do rim widths vary across Alfa Romeo 4C trims?
Rim widths typically range from 7.5 to 8.5 inches front and 8.5 to 9.0 inches rear, with higher trims often having wider rear rims for enhanced traction.
Why is it important to compare tire sizes by trim for the 4C?
Different trims have specific tire and rim specifications affecting handling and safety, so comparing sizes ensures proper fitment and optimal performance.
Tire size calculatorShow

Compare two tire sizes — diameter, speedometer error, and clearance change.

inchmm
Size 1Size 2DiffDiff(%)
Diameter25.0"25.4"0.5"1.89%
Width7.7"8.5"0.8"10.26%
Circumference78.4"79.9"1.5"1.86%
Profile height5.0"4.2"-0.7"-15.08%
Turnover per mile80779314-1.73%
Clearance--+0.2"-
25.0"
7.7"
old tire side
25.5"
8.5"
new tire side
old tire
15"
old rim
5.0"
new tire
17"
new rim
4.2"

Speedometer Error

(First wheel OEM size)

Reading20 mph30 mph40 mph50 mph60 mph70 mph80 mph90 mph
Actual20.430.540.750.961.171.281.491.6