Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/65-17 | 245/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.05 (763.3) | 30.5 (774.8) | 0.45 (11.5) 1.5% |
| Width inches (mm) | 10.04 (255) | 9.65 (245) | -0.39 (-10) -3.9% |
| Circum. inches (mm) | 94.41 (2397.98) | 95.83 (2434.11) | 1.42 (36.13) 1.5% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 6.75 (171.5) | 0.23 (5.75) 3.5% |
| Revolutions per mile (km) | 671.13 (417.02) | 661.16 (410.83) | -9.96 (-6.19) -1.5% |
245/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.3 mph (32.67 km/h) |
| 25 mph (40.23 km/h) | 25.38 mph (40.84 km/h) |
| 30 mph (48.28 km/h) | 30.45 mph (49.01 km/h) |
| 35 mph (56.33 km/h) | 35.53 mph (57.18 km/h) |
| 40 mph (64.37 km/h) | 40.6 mph (65.34 km/h) |
| 45 mph (72.42 km/h) | 45.68 mph (73.51 km/h) |
| 50 mph (80.47 km/h) | 50.75 mph (81.68 km/h) |
| 55 mph (88.51 km/h) | 55.83 mph (89.85 km/h) |
| 60 mph (96.56 km/h) | 60.9 mph (98.02 km/h) |
| 65 mph (104.61 km/h) | 65.98 mph (106.18 km/h) |
| 70 mph (112.65 km/h) | 71.05 mph (114.35 km/h) |
| 75 mph (120.7 km/h) | 76.13 mph (122.52 km/h) |
| 80 mph (128.75 km/h) | 81.21 mph (130.69 km/h) |
| 85 mph (136.79 km/h) | 86.28 mph (138.86 km/h) |
| 90 mph (144.84 km/h) | 91.36 mph (147.02 km/h) |
| 95 mph (152.89 km/h) | 96.43 mph (155.19 km/h) |
| 100 mph (160.93 km/h) | 101.51 mph (163.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1683 | 1955 | 2105 | 2198 | 2298 | 2370 | 2449 | 2542 | 2671 | 2799 | 2943 | 3057 | 3265 | 3494 | 3673 | 3787 | 3852 | 4088 | 4418 | 5134 |
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