Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/70-15 | 245/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.85 (682) | 30.5 (774.8) | 3.65 (92.8) 13.6% |
| Width inches (mm) | 8.46 (215) | 9.65 (245) | 1.18 (30) 14% |
| Circum. inches (mm) | 84.35 (2142.57) | 95.83 (2434.11) | 11.48 (291.54) 13.6% |
| Sidewall Height inches (mm) | 5.93 (150.5) | 6.75 (171.5) | 0.83 (21) 14% |
| Revolutions per mile (km) | 751.13 (466.73) | 661.16 (410.83) | -89.96 (-55.9) -12% |
245/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.72 mph (36.57 km/h) |
| 25 mph (40.23 km/h) | 28.4 mph (45.71 km/h) |
| 30 mph (48.28 km/h) | 34.08 mph (54.85 km/h) |
| 35 mph (56.33 km/h) | 39.76 mph (63.99 km/h) |
| 40 mph (64.37 km/h) | 45.44 mph (73.13 km/h) |
| 45 mph (72.42 km/h) | 51.12 mph (82.27 km/h) |
| 50 mph (80.47 km/h) | 56.8 mph (91.42 km/h) |
| 55 mph (88.51 km/h) | 62.48 mph (100.56 km/h) |
| 60 mph (96.56 km/h) | 68.16 mph (109.7 km/h) |
| 65 mph (104.61 km/h) | 73.84 mph (118.84 km/h) |
| 70 mph (112.65 km/h) | 79.52 mph (127.98 km/h) |
| 75 mph (120.7 km/h) | 85.21 mph (137.12 km/h) |
| 80 mph (128.75 km/h) | 90.89 mph (146.27 km/h) |
| 85 mph (136.79 km/h) | 96.57 mph (155.41 km/h) |
| 90 mph (144.84 km/h) | 102.25 mph (164.55 km/h) |
| 95 mph (152.89 km/h) | 107.93 mph (173.69 km/h) |
| 100 mph (160.93 km/h) | 113.61 mph (182.83 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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