225/50R17 Tire Size

All You Need to Know About 225/50R17 Tires

225/50R17 tires are 225 mm wide, use a 50% aspect ratio, and fit 17-inch wheels. This results in an overall diameter of approximately 25.9 inches and fits within an approved 6.0–8.0 inch rim width range, placing the 225/50R17 in the performance-oriented sedan and coupe category.

Compared to taller 55-series sizes such as 225/55R17, the reduced sidewall height of the 225/50R17 reduces tire deflection under load, resulting in more direct steering response and improved lateral stability in cornering, but with less impact absorption over uneven surfaces.

225/50R17 Size Quick Specs

• Overall diameter: ≈25.9 in
• Sidewall height: ≈113 mm
• Section width: 225 mm
• Rim width range: 6.0–8.0 in
• Wheel diameter: 17 in

Note: The calculated overall diameter of 225/50R17 is ≈25.86 inches (657 mm) based on size geometry. Actual mounted diameter may vary by manufacturer, tread design, and measurement conditions, and is specified at the tire’s recommended inflation pressure on an approved rim width.

Common Vehicle Fitments for 225/50R17

225/50R17 is used on a range of mid-size and compact executive vehicles, with documented OEM fitments including Acura TSX (2009–2014), Audi A4 and A5 (select model years), Audi TT, and Alfa Romeo 159 and Giulia. 

These applications are typically tied to specific trims or wheel packages rather than full model-line standardization, meaning the same vehicles are often offered with alternative sizes such as 215/55R17 or 225/55R17, depending on configuration.

225/50R17 Dimensions in Inches

A 225/50R17 tire is approximately 25.86 inches tall, 8.86 inches wide, and has a sidewall height of 4.43 inches, based on its calculated dimensions.

225/50R17 in inches: All measurements

• Overall diameter: ≈25.9″
• Sidewall height: ≈4.43″
• Section width: ≈8.86″
• Circumference: ≈81.3″

225/50R17 tire size in inches is equivalent to: 25.9″ × 8.9″ R17

Most Recommended 225/50R17 Tires

Best tires in 225/50R17 size include: 

• 225/50R17 all-season tires: Pirelli P7 All Season Plus 3, Kumho Solus 4S HA32
• 225/50R17 ultra-high-performance all-season tires: Continental ExtremeContact DWS06 Plus, Yokohama Advan Sport A/S+
• 225/50R17 summer performance tires: General G-Max RS, Pirelli Cinturato P7 Blue
• 225/50R17 affordable: Ironman iMove Gen2 A/S, Kumho Solus TA11

Comparison of 225/50R17 With Similar Tire Sizes

Comparing 225/50R17 with similar tire sizes like 225/55R17 and 215/50R17 shows how sidewall height and width changes affect ride comfort and handling behavior.

Difference Between 225/50R17 and 225/55R17 Tire Sizes

The 225/55R17 has a taller sidewall and larger overall diameter than the 225/50R17:

• Sidewall: 225/55R17 is ≈0.44" taller compared to 225/50R17
• Overall diameter difference: ≈3.5% 

This OD difference exceeds the ±3% threshold, so 225/55R17 is not a direct alternate size for 225/50R17 without verifying clearance, speedometer accuracy, and system tolerances.

Difference Between 225/50R17 and 215/50R17 Tire Sizes

215/50R17 is a common alternate size for 225/50R17, with a narrower section width and slightly smaller overall diameter:

• Width: 225/50R17 is 10 mm wider compared to 215/50R17
• Diameter: difference between 225/50R17 and 215/50R17 is minimal (~1.5%)

The 1.5% difference in OD falls within the accepted ±3% replacement threshold, making the 225/50R17 and 215/50R17 sizes interchangeable, provided the rim width is compatible with the narrower 215 mm section, the load index meets or exceeds the vehicle's door placard specification, and any TPMS sensors are recalibrated.