Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-17 | 305/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.61 (802.8) | 33.81 (858.8) | 2.2 (56) 7% |
| Width inches (mm) | 10.43 (265) | 12.01 (305) | 1.57 (40) 15.1% |
| Circum. inches (mm) | 99.29 (2522.07) | 106.22 (2698) | 6.93 (175.93) 7% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 8.41 (213.5) | 1.1 (28) 15.1% |
| Revolutions per mile (km) | 638.1 (396.5) | 596.5 (370.64) | -41.61 (-25.85) -6.5% |
305/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.4 mph (34.43 km/h) |
| 25 mph (40.23 km/h) | 26.74 mph (43.04 km/h) |
| 30 mph (48.28 km/h) | 32.09 mph (51.65 km/h) |
| 35 mph (56.33 km/h) | 37.44 mph (60.26 km/h) |
| 40 mph (64.37 km/h) | 42.79 mph (68.86 km/h) |
| 45 mph (72.42 km/h) | 48.14 mph (77.47 km/h) |
| 50 mph (80.47 km/h) | 53.49 mph (86.08 km/h) |
| 55 mph (88.51 km/h) | 58.84 mph (94.69 km/h) |
| 60 mph (96.56 km/h) | 64.19 mph (103.3 km/h) |
| 65 mph (104.61 km/h) | 69.53 mph (111.9 km/h) |
| 70 mph (112.65 km/h) | 74.88 mph (120.51 km/h) |
| 75 mph (120.7 km/h) | 80.23 mph (129.12 km/h) |
| 80 mph (128.75 km/h) | 85.58 mph (137.73 km/h) |
| 85 mph (136.79 km/h) | 90.93 mph (146.34 km/h) |
| 90 mph (144.84 km/h) | 96.28 mph (154.94 km/h) |
| 95 mph (152.89 km/h) | 101.63 mph (163.55 km/h) |
| 100 mph (160.93 km/h) | 106.98 mph (172.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1518 | 1763 | 1899 | 1983 | 2073 | 2138 | 2209 | 2293 | 2409 | 2526 | 2655 | 2758 | 2946 | 3152 | 3314 | 3417 | 3475 | 3688 | 3985 | 4631 |
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