Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/60-17 | 245/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.99 (761.8) | 30.5 (774.8) | 0.51 (13) 1.7% |
| Width inches (mm) | 10.83 (275) | 9.65 (245) | -1.18 (-30) -10.9% |
| Circum. inches (mm) | 94.22 (2393.27) | 95.83 (2434.11) | 1.61 (40.84) 1.7% |
| Sidewall Height inches (mm) | 6.5 (165) | 6.75 (171.5) | 0.26 (6.5) 3.9% |
| Revolutions per mile (km) | 672.45 (417.84) | 661.16 (410.83) | -11.28 (-7.01) -1.7% |
245/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.34 mph (32.74 km/h) |
| 25 mph (40.23 km/h) | 25.43 mph (40.92 km/h) |
| 30 mph (48.28 km/h) | 30.51 mph (49.1 km/h) |
| 35 mph (56.33 km/h) | 35.6 mph (57.29 km/h) |
| 40 mph (64.37 km/h) | 40.68 mph (65.47 km/h) |
| 45 mph (72.42 km/h) | 45.77 mph (73.66 km/h) |
| 50 mph (80.47 km/h) | 50.85 mph (81.84 km/h) |
| 55 mph (88.51 km/h) | 55.94 mph (90.02 km/h) |
| 60 mph (96.56 km/h) | 61.02 mph (98.21 km/h) |
| 65 mph (104.61 km/h) | 66.11 mph (106.39 km/h) |
| 70 mph (112.65 km/h) | 71.19 mph (114.58 km/h) |
| 75 mph (120.7 km/h) | 76.28 mph (122.76 km/h) |
| 80 mph (128.75 km/h) | 81.37 mph (130.94 km/h) |
| 85 mph (136.79 km/h) | 86.45 mph (139.13 km/h) |
| 90 mph (144.84 km/h) | 91.54 mph (147.31 km/h) |
| 95 mph (152.89 km/h) | 96.62 mph (155.5 km/h) |
| 100 mph (160.93 km/h) | 101.71 mph (163.68 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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