Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/60-17 | 265/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.76 (755.8) | 32.52 (826) | 2.76 (70.2) 9.3% |
| Width inches (mm) | 10.63 (270) | 10.43 (265) | -0.2 (-5) -1.9% |
| Circum. inches (mm) | 93.48 (2374.42) | 102.16 (2594.96) | 8.68 (220.54) 9.3% |
| Sidewall Height inches (mm) | 6.38 (162) | 6.26 (159) | -0.12 (-3) -1.9% |
| Revolutions per mile (km) | 677.79 (421.16) | 620.18 (385.36) | -57.6 (-35.79) -8.5% |
265/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.86 mph (35.18 km/h) |
| 25 mph (40.23 km/h) | 27.32 mph (43.97 km/h) |
| 30 mph (48.28 km/h) | 32.79 mph (52.76 km/h) |
| 35 mph (56.33 km/h) | 38.25 mph (61.56 km/h) |
| 40 mph (64.37 km/h) | 43.72 mph (70.35 km/h) |
| 45 mph (72.42 km/h) | 49.18 mph (79.15 km/h) |
| 50 mph (80.47 km/h) | 54.64 mph (87.94 km/h) |
| 55 mph (88.51 km/h) | 60.11 mph (96.74 km/h) |
| 60 mph (96.56 km/h) | 65.57 mph (105.53 km/h) |
| 65 mph (104.61 km/h) | 71.04 mph (114.32 km/h) |
| 70 mph (112.65 km/h) | 76.5 mph (123.12 km/h) |
| 75 mph (120.7 km/h) | 81.97 mph (131.91 km/h) |
| 80 mph (128.75 km/h) | 87.43 mph (140.71 km/h) |
| 85 mph (136.79 km/h) | 92.89 mph (149.5 km/h) |
| 90 mph (144.84 km/h) | 98.36 mph (158.29 km/h) |
| 95 mph (152.89 km/h) | 103.82 mph (167.09 km/h) |
| 100 mph (160.93 km/h) | 109.29 mph (175.88 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1578 | 1833 | 1974 | 2062 | 2156 | 2223 | 2297 | 2384 | 2505 | 2626 | 2760 | 2868 | 3062 | 3277 | 3445 | 3553 | 3613 | 3835 | 4144 | 4815 |
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