Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/75-15 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.88 (733.5) | 31.73 (805.9) | 2.85 (72.4) 9.9% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 90.72 (2304.36) | 99.68 (2531.81) | 8.95 (227.45) 9.9% |
| Sidewall Height inches (mm) | 6.94 (176.25) | 7.86 (199.75) | 0.93 (23.5) 13.3% |
| Revolutions per mile (km) | 698.39 (433.96) | 635.65 (394.97) | -62.74 (-38.99) -9% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.97 mph (35.36 km/h) |
| 25 mph (40.23 km/h) | 27.47 mph (44.2 km/h) |
| 30 mph (48.28 km/h) | 32.96 mph (53.05 km/h) |
| 35 mph (56.33 km/h) | 38.45 mph (61.89 km/h) |
| 40 mph (64.37 km/h) | 43.95 mph (70.73 km/h) |
| 45 mph (72.42 km/h) | 49.44 mph (79.57 km/h) |
| 50 mph (80.47 km/h) | 54.94 mph (88.41 km/h) |
| 55 mph (88.51 km/h) | 60.43 mph (97.25 km/h) |
| 60 mph (96.56 km/h) | 65.92 mph (106.09 km/h) |
| 65 mph (104.61 km/h) | 71.42 mph (114.93 km/h) |
| 70 mph (112.65 km/h) | 76.91 mph (123.77 km/h) |
| 75 mph (120.7 km/h) | 82.4 mph (132.61 km/h) |
| 80 mph (128.75 km/h) | 87.9 mph (141.46 km/h) |
| 85 mph (136.79 km/h) | 93.39 mph (150.3 km/h) |
| 90 mph (144.84 km/h) | 98.88 mph (159.14 km/h) |
| 95 mph (152.89 km/h) | 104.38 mph (167.98 km/h) |
| 100 mph (160.93 km/h) | 109.87 mph (176.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1618 | 1879 | 2024 | 2113 | 2210 | 2278 | 2354 | 2444 | 2568 | 2691 | 2829 | 2939 | 3139 | 3359 | 3531 | 3641 | 3703 | 3930 | 4247 | 4935 |
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