Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-17 | 245/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 29.54 (750.3) | 2.8 (71) 10.5% |
| Width inches (mm) | 6.5 (165) | 9.65 (245) | 3.15 (80) 48.5% |
| Circum. inches (mm) | 84.02 (2134.08) | 92.8 (2357.14) | 8.78 (223.05) 10.5% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 6.27 (159.25) | 1.4 (35.5) 28.7% |
| Revolutions per mile (km) | 754.11 (468.58) | 682.75 (424.24) | -71.36 (-44.34) -9.5% |
245/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.09 mph (35.55 km/h) |
| 25 mph (40.23 km/h) | 27.61 mph (44.44 km/h) |
| 30 mph (48.28 km/h) | 33.14 mph (53.33 km/h) |
| 35 mph (56.33 km/h) | 38.66 mph (62.21 km/h) |
| 40 mph (64.37 km/h) | 44.18 mph (71.1 km/h) |
| 45 mph (72.42 km/h) | 49.7 mph (79.99 km/h) |
| 50 mph (80.47 km/h) | 55.23 mph (88.88 km/h) |
| 55 mph (88.51 km/h) | 60.75 mph (97.77 km/h) |
| 60 mph (96.56 km/h) | 66.27 mph (106.65 km/h) |
| 65 mph (104.61 km/h) | 71.79 mph (115.54 km/h) |
| 70 mph (112.65 km/h) | 77.32 mph (124.43 km/h) |
| 75 mph (120.7 km/h) | 82.84 mph (133.32 km/h) |
| 80 mph (128.75 km/h) | 88.36 mph (142.2 km/h) |
| 85 mph (136.79 km/h) | 93.88 mph (151.09 km/h) |
| 90 mph (144.84 km/h) | 99.41 mph (159.98 km/h) |
| 95 mph (152.89 km/h) | 104.93 mph (168.87 km/h) |
| 100 mph (160.93 km/h) | 110.45 mph (177.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1737 | 2018 | 2174 | 2270 | 2373 | 2447 | 2529 | 2625 | 2758 | 2891 | 3039 | 3157 | 3371 | 3608 | 3793 | 3911 | 3978 | 4222 | 4562 | 5301 |
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