Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/66-17 | 300/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.77 (781.6) | 33.54 (851.8) | 2.76 (70.2) 9% |
| Width inches (mm) | 10.43 (265) | 11.81 (300) | 1.38 (35) 13.2% |
| Circum. inches (mm) | 96.67 (2455.47) | 105.35 (2676.01) | 8.68 (220.54) 9% |
| Sidewall Height inches (mm) | 6.89 (174.9) | 8.27 (210) | 1.38 (35.1) 20.1% |
| Revolutions per mile (km) | 655.41 (407.25) | 601.4 (373.69) | -54.01 (-33.56) -8.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.8 mph (35.08 km/h) |
| 25 mph (40.23 km/h) | 27.25 mph (43.85 km/h) |
| 30 mph (48.28 km/h) | 32.69 mph (52.62 km/h) |
| 35 mph (56.33 km/h) | 38.14 mph (61.39 km/h) |
| 40 mph (64.37 km/h) | 43.59 mph (70.16 km/h) |
| 45 mph (72.42 km/h) | 49.04 mph (78.93 km/h) |
| 50 mph (80.47 km/h) | 54.49 mph (87.69 km/h) |
| 55 mph (88.51 km/h) | 59.94 mph (96.46 km/h) |
| 60 mph (96.56 km/h) | 65.39 mph (105.23 km/h) |
| 65 mph (104.61 km/h) | 70.84 mph (114 km/h) |
| 70 mph (112.65 km/h) | 76.29 mph (122.77 km/h) |
| 75 mph (120.7 km/h) | 81.74 mph (131.54 km/h) |
| 80 mph (128.75 km/h) | 87.19 mph (140.31 km/h) |
| 85 mph (136.79 km/h) | 92.63 mph (149.08 km/h) |
| 90 mph (144.84 km/h) | 98.08 mph (157.85 km/h) |
| 95 mph (152.89 km/h) | 103.53 mph (166.62 km/h) |
| 100 mph (160.93 km/h) | 108.98 mph (175.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1530 | 1778 | 1915 | 1999 | 2091 | 2156 | 2227 | 2312 | 2429 | 2546 | 2677 | 2781 | 2970 | 3178 | 3341 | 3445 | 3504 | 3719 | 4018 | 4669 |
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