Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/66-17 | 275/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.77 (781.6) | 34.32 (871.8) | 3.55 (90.2) 11.5% |
| Width inches (mm) | 10.43 (265) | 10.83 (275) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 96.67 (2455.47) | 107.83 (2738.84) | 11.16 (283.37) 11.5% |
| Sidewall Height inches (mm) | 6.89 (174.9) | 8.66 (220) | 1.78 (45.1) 25.8% |
| Revolutions per mile (km) | 655.41 (407.25) | 587.6 (365.12) | -67.81 (-42.14) -10.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.31 mph (35.9 km/h) |
| 25 mph (40.23 km/h) | 27.89 mph (44.88 km/h) |
| 30 mph (48.28 km/h) | 33.46 mph (53.85 km/h) |
| 35 mph (56.33 km/h) | 39.04 mph (62.83 km/h) |
| 40 mph (64.37 km/h) | 44.62 mph (71.8 km/h) |
| 45 mph (72.42 km/h) | 50.19 mph (80.78 km/h) |
| 50 mph (80.47 km/h) | 55.77 mph (89.75 km/h) |
| 55 mph (88.51 km/h) | 61.35 mph (98.73 km/h) |
| 60 mph (96.56 km/h) | 66.92 mph (107.7 km/h) |
| 65 mph (104.61 km/h) | 72.5 mph (116.68 km/h) |
| 70 mph (112.65 km/h) | 78.08 mph (125.66 km/h) |
| 75 mph (120.7 km/h) | 83.66 mph (134.63 km/h) |
| 80 mph (128.75 km/h) | 89.23 mph (143.61 km/h) |
| 85 mph (136.79 km/h) | 94.81 mph (152.58 km/h) |
| 90 mph (144.84 km/h) | 100.39 mph (161.56 km/h) |
| 95 mph (152.89 km/h) | 105.96 mph (170.53 km/h) |
| 100 mph (160.93 km/h) | 111.54 mph (179.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1495 | 1737 | 1871 | 1953 | 2043 | 2106 | 2176 | 2259 | 2373 | 2488 | 2615 | 2717 | 2902 | 3105 | 3264 | 3366 | 3423 | 3633 | 3926 | 4562 |
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