Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/65-17 | 235/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.05 (763.3) | 29.95 (760.8) | -0.1 (-2.5) -0.3% |
| Width inches (mm) | 10.04 (255) | 9.25 (235) | -0.79 (-20) -7.8% |
| Circum. inches (mm) | 94.41 (2397.98) | 94.1 (2390.12) | -0.31 (-7.85) -0.3% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 6.48 (164.5) | -0.05 (-1.25) -0.8% |
| Revolutions per mile (km) | 671.13 (417.02) | 673.33 (418.39) | 2.21 (1.37) 0.3% |
235/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.93 mph (32.08 km/h) |
| 25 mph (40.23 km/h) | 24.92 mph (40.1 km/h) |
| 30 mph (48.28 km/h) | 29.9 mph (48.12 km/h) |
| 35 mph (56.33 km/h) | 34.89 mph (56.14 km/h) |
| 40 mph (64.37 km/h) | 39.87 mph (64.16 km/h) |
| 45 mph (72.42 km/h) | 44.85 mph (72.18 km/h) |
| 50 mph (80.47 km/h) | 49.84 mph (80.2 km/h) |
| 55 mph (88.51 km/h) | 54.82 mph (88.22 km/h) |
| 60 mph (96.56 km/h) | 59.8 mph (96.24 km/h) |
| 65 mph (104.61 km/h) | 64.79 mph (104.26 km/h) |
| 70 mph (112.65 km/h) | 69.77 mph (112.29 km/h) |
| 75 mph (120.7 km/h) | 74.75 mph (120.31 km/h) |
| 80 mph (128.75 km/h) | 79.74 mph (128.33 km/h) |
| 85 mph (136.79 km/h) | 84.72 mph (136.35 km/h) |
| 90 mph (144.84 km/h) | 89.71 mph (144.37 km/h) |
| 95 mph (152.89 km/h) | 94.69 mph (152.39 km/h) |
| 100 mph (160.93 km/h) | 99.67 mph (160.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1713 | 1991 | 2144 | 2238 | 2341 | 2413 | 2494 | 2588 | 2720 | 2851 | 2997 | 3113 | 3325 | 3558 | 3741 | 3857 | 3923 | 4163 | 4499 | 5228 |
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