Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/75-17 | 245/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.88 (784.3) | 29.54 (750.3) | -1.34 (-34) -4.3% |
| Width inches (mm) | 9.25 (235) | 9.65 (245) | 0.39 (10) 4.3% |
| Circum. inches (mm) | 97.01 (2463.95) | 92.8 (2357.14) | -4.21 (-106.81) -4.3% |
| Sidewall Height inches (mm) | 6.94 (176.25) | 6.27 (159.25) | -0.67 (-17) -9.6% |
| Revolutions per mile (km) | 653.16 (405.85) | 682.75 (424.24) | 29.6 (18.39) 4.5% |
245/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.13 mph (30.79 km/h) |
| 25 mph (40.23 km/h) | 23.92 mph (38.49 km/h) |
| 30 mph (48.28 km/h) | 28.7 mph (46.19 km/h) |
| 35 mph (56.33 km/h) | 33.48 mph (53.89 km/h) |
| 40 mph (64.37 km/h) | 38.27 mph (61.58 km/h) |
| 45 mph (72.42 km/h) | 43.05 mph (69.28 km/h) |
| 50 mph (80.47 km/h) | 47.83 mph (76.98 km/h) |
| 55 mph (88.51 km/h) | 52.62 mph (84.68 km/h) |
| 60 mph (96.56 km/h) | 57.4 mph (92.37 km/h) |
| 65 mph (104.61 km/h) | 62.18 mph (100.07 km/h) |
| 70 mph (112.65 km/h) | 66.97 mph (107.77 km/h) |
| 75 mph (120.7 km/h) | 71.75 mph (115.47 km/h) |
| 80 mph (128.75 km/h) | 76.53 mph (123.17 km/h) |
| 85 mph (136.79 km/h) | 81.32 mph (130.86 km/h) |
| 90 mph (144.84 km/h) | 86.1 mph (138.56 km/h) |
| 95 mph (152.89 km/h) | 90.88 mph (146.26 km/h) |
| 100 mph (160.93 km/h) | 95.66 mph (153.96 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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