Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/40-17 | 255/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.35 (643.8) | 26.04 (661.3) | 0.69 (17.5) 2.7% |
| Width inches (mm) | 10.43 (265) | 10.04 (255) | -0.39 (-10) -3.8% |
| Circum. inches (mm) | 79.63 (2022.56) | 81.79 (2077.54) | 2.16 (54.98) 2.7% |
| Sidewall Height inches (mm) | 4.17 (106) | 4.52 (114.75) | 0.34 (8.75) 8.3% |
| Revolutions per mile (km) | 795.7 (494.42) | 774.64 (481.34) | -21.06 (-13.08) -2.6% |
255/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.54 mph (33.06 km/h) |
| 25 mph (40.23 km/h) | 25.68 mph (41.33 km/h) |
| 30 mph (48.28 km/h) | 30.82 mph (49.59 km/h) |
| 35 mph (56.33 km/h) | 35.95 mph (57.86 km/h) |
| 40 mph (64.37 km/h) | 41.09 mph (66.12 km/h) |
| 45 mph (72.42 km/h) | 46.22 mph (74.39 km/h) |
| 50 mph (80.47 km/h) | 51.36 mph (82.65 km/h) |
| 55 mph (88.51 km/h) | 56.5 mph (90.92 km/h) |
| 60 mph (96.56 km/h) | 61.63 mph (99.19 km/h) |
| 65 mph (104.61 km/h) | 66.77 mph (107.45 km/h) |
| 70 mph (112.65 km/h) | 71.9 mph (115.72 km/h) |
| 75 mph (120.7 km/h) | 77.04 mph (123.98 km/h) |
| 80 mph (128.75 km/h) | 82.17 mph (132.25 km/h) |
| 85 mph (136.79 km/h) | 87.31 mph (140.51 km/h) |
| 90 mph (144.84 km/h) | 92.45 mph (148.78 km/h) |
| 95 mph (152.89 km/h) | 97.58 mph (157.04 km/h) |
| 100 mph (160.93 km/h) | 102.72 mph (165.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | 2290 | 2466 | 2575 | 2693 | 2777 | 2869 | 2978 | 3129 | 3280 | 3448 | 3582 | 3825 | 4094 | 4303 | 4438 | 4513 | 4790 | 5176 | 6015 |
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