Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/75-15 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.11 (688.5) | 31.73 (805.9) | 4.62 (117.4) 17.1% |
| Width inches (mm) | 8.07 (205) | 9.25 (235) | 1.18 (30) 14.6% |
| Circum. inches (mm) | 85.16 (2162.99) | 99.68 (2531.81) | 14.52 (368.82) 17.1% |
| Sidewall Height inches (mm) | 6.05 (153.75) | 7.86 (199.75) | 1.81 (46) 29.9% |
| Revolutions per mile (km) | 744.04 (462.32) | 635.65 (394.97) | -108.39 (-67.35) -14.6% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.41 mph (37.68 km/h) |
| 25 mph (40.23 km/h) | 29.26 mph (47.09 km/h) |
| 30 mph (48.28 km/h) | 35.12 mph (56.51 km/h) |
| 35 mph (56.33 km/h) | 40.97 mph (65.93 km/h) |
| 40 mph (64.37 km/h) | 46.82 mph (75.35 km/h) |
| 45 mph (72.42 km/h) | 52.67 mph (84.77 km/h) |
| 50 mph (80.47 km/h) | 58.53 mph (94.19 km/h) |
| 55 mph (88.51 km/h) | 64.38 mph (103.61 km/h) |
| 60 mph (96.56 km/h) | 70.23 mph (113.03 km/h) |
| 65 mph (104.61 km/h) | 76.08 mph (122.44 km/h) |
| 70 mph (112.65 km/h) | 81.94 mph (131.86 km/h) |
| 75 mph (120.7 km/h) | 87.79 mph (141.28 km/h) |
| 80 mph (128.75 km/h) | 93.64 mph (150.7 km/h) |
| 85 mph (136.79 km/h) | 99.49 mph (160.12 km/h) |
| 90 mph (144.84 km/h) | 105.35 mph (169.54 km/h) |
| 95 mph (152.89 km/h) | 111.2 mph (178.96 km/h) |
| 100 mph (160.93 km/h) | 117.05 mph (188.38 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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