205/50R17 Tire Size

All You Need to Know About 205/50R17 Tires

205/50R17 means the tire is 205 mm wide, with a 50% aspect ratio and a 17-inch wheel diameter, producing a 25.1-inch overall diameter and a 4.0-inch sidewall height.

The 205/50R17 size sits in the lower-diameter segment of the 17-inch passenger range, where overall height drops into the mid-25-inch band. That places the 205/50R17 tire size below 60-series compact sizes like 195/60R17 and closer to low-profile passenger and performance-oriented fitments.

Where P205/50R17 versions appear, they share the same dimensions as 205/50R17 but follow passenger tire load standards. These P-metric tires are typically offered in Standard Load (SL) configurations, whereas non-P equivalents use different load rating conventions. As a result, identical sizing does not imply identical load behavior.

205-50r17 Size Quick Specs

• Approved rim width range: 5.5–7.5"
• Measuring/design rim: 6.5 inches
• Overall diameter: 25.1"
• Width: 205 mm
• Sidewall height: 102.5 mm
• Fits 17-inch wheels/rims

Note: The calculated overall diameter of 205/50R17 is ≈25.1 inches; real-world mounted measurements typically vary by ±0.1–0.3 inches depending on tire tread pattern and construction.

205/50R17 Common Vehicle Fitments

OEM applications for 205/50R17 are concentrated in compact passenger vehicles and select sedan platforms, with confirmed applications including:

• Acura ILX (2012–2015), Legend (1986-1990), CL and  RSX (specific years);
• Audi A3 (2003–2024), A4 (1994-2001), A6 (1994-1997), TT (1998-2006); 
• BMW 1 Series (2004–2020), 2 Series (2013-2021), 3 Series (1998-2007);
• Buick Excelle GT (2015-2023), Verano (2015-2022), Verano Pro GS (2021-2025)

These examples show that 205/50R17 is a trim-specific OE size, not a broad platform standard. Because usage varies by region and configuration, the vehicle placard remains the final authority for replacement. Load index and speed rating should always match the original specification.

205/50R17 Dimensions in Inches

The 205/50R17 tire size is ≈8.07 inches wide, ≈25.1 inches tall overall, and has a sidewall height of ≈4.04 inches.

At ≈25.1 inches in overall diameter, 205/50R17 corresponds to roughly 78.9 inches of circumference, which represents the distance traveled in one full rotation. 

205/50R17 in Inches: All Measurements

• Overall diameter: ≈25.1"
• Width: 8.07"
• Sidewall height: 4.04"
• Wheel diameter: 17"
• Circumference: 78.90" (≈78.9")

Most Recommended 205/50R17 Tires

Best tires in 205/50R17 size include:

• 205/50R17 all-season tires: Nexen N Blue 4S 2, Kumho Ecsta Sport A/S PA71
• Touring tires 205/50R17: General Exclaim HPX A/S, GT Radial MaxTour LX
• Affordable 205/50R17 tires: Ironman iMove Gen2 A/S, Laufenn G FIT AS (LH41)
• 205/50R17 set of 4 (best price): Ironman iMove Gen 3 AS, General G-Max AS-07

Comparison of 205/50R17 With Similar Tire Sizes

205/50R17 sits below taller 60-series passenger sizes and alongside wider 50-series alternatives. 

Compared to 195/60R17, the 205/50R17 reduces overall diameter while increasing width. Compared to 215/50R17, 205/50R17 tires maintain the same aspect ratio but reduce section width and overall size. These two comparisons define its position within the passenger 17-inch range.

Difference Between 205/50R17 and 195/60R17 Tire Sizes

The 205/50R17 is wider but significantly shorter than the 195/60R17:

• Width: 205/50R17 is 10 mm wider than 195/60R17
• Overall diameter: 205/50R17 is ≈1.14 inches (≈4.4%) smaller than 195/60R17

205/50R17 and 195/60R17 differ by more than the ±3% limit (≈4.4%), so they are not direct replacements. Switching to 205/50R17 reduces overall diameter and sidewall height, which lowers ride height and shortens gearing, while 195/60R17 maintains a taller profile.

Difference Between 205/50R17 and 215/50R17 Tire Sizes

The 215/50R17 increases width while keeping the same aspect ratio:

• Width: 215/50R17 is 10 mm wider than 205/50R17
• Overall diameter: 215/50R17 is ≈0.39 inches (≈1.5%) larger than 205/50R17

205/50R17 and 215/50R17 sizes can generally be interchanged, as the overall diameter difference stays within the ±3% threshold (≈1.5%). The added width, however, may require checking wheel compatibility and clearance.

To understand safe diameter limits when changing from or to 195/60R17, refer to the 3% tire size rule guide.