Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-17 | 265/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.8 (807.8) | 33.69 (855.8) | 1.89 (48) 5.9% |
| Width inches (mm) | 9.25 (235) | 10.43 (265) | 1.18 (30) 12.8% |
| Circum. inches (mm) | 99.91 (2537.78) | 105.85 (2688.57) | 5.94 (150.8) 5.9% |
| Sidewall Height inches (mm) | 7.4 (188) | 8.35 (212) | 0.94 (24) 12.8% |
| Revolutions per mile (km) | 634.15 (394.04) | 598.59 (371.94) | -35.57 (-22.1) -5.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.19 mph (34.1 km/h) |
| 25 mph (40.23 km/h) | 26.49 mph (42.62 km/h) |
| 30 mph (48.28 km/h) | 31.78 mph (51.15 km/h) |
| 35 mph (56.33 km/h) | 37.08 mph (59.67 km/h) |
| 40 mph (64.37 km/h) | 42.38 mph (68.2 km/h) |
| 45 mph (72.42 km/h) | 47.67 mph (76.72 km/h) |
| 50 mph (80.47 km/h) | 52.97 mph (85.25 km/h) |
| 55 mph (88.51 km/h) | 58.27 mph (93.77 km/h) |
| 60 mph (96.56 km/h) | 63.57 mph (102.3 km/h) |
| 65 mph (104.61 km/h) | 68.86 mph (110.82 km/h) |
| 70 mph (112.65 km/h) | 74.16 mph (119.35 km/h) |
| 75 mph (120.7 km/h) | 79.46 mph (127.87 km/h) |
| 80 mph (128.75 km/h) | 84.75 mph (136.4 km/h) |
| 85 mph (136.79 km/h) | 90.05 mph (144.92 km/h) |
| 90 mph (144.84 km/h) | 95.35 mph (153.45 km/h) |
| 95 mph (152.89 km/h) | 100.64 mph (161.97 km/h) |
| 100 mph (160.93 km/h) | 105.94 mph (170.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1523 | 1770 | 1906 | 1990 | 2081 | 2146 | 2217 | 2301 | 2418 | 2534 | 2664 | 2768 | 2956 | 3163 | 3325 | 3429 | 3487 | 3701 | 3999 | 4648 |
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