The 235/45R20 tyre size means:
235 – Tyre width is 235 mm.
45 – Aspect ratio is 45%, so the sidewall height is 105.75 mm (45% of 235 mm).
R – Radial construction.
20 – Fits a 20-inch wheel (rim).
Typical dimensions:
Overall diameter: approximately 719 mm (28.3 inches)
Recommended rim width: 7.5–9.0 inches
This size is commonly used on modern SUVs, crossovers, and premium sedans, providing:
Excellent handling and cornering stability.
Good ride comfort for a low-profile tyre.
Strong grip on both dry and wet roads.
The load index and speed rating (such as 100V, 100W, or 100Y XL) vary depending on the tyre brand and model. If you want details for a specific brand (e.g. Grenlander, Dovroad, Centara, etc.), let me know.