Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/90-15 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.53 (750) | 31.73 (805.9) | 2.2 (55.9) 7.5% |
| Width inches (mm) | 8.07 (205) | 9.25 (235) | 1.18 (30) 14.6% |
| Circum. inches (mm) | 92.76 (2356.19) | 99.68 (2531.81) | 6.91 (175.62) 7.5% |
| Sidewall Height inches (mm) | 7.26 (184.5) | 7.86 (199.75) | 0.6 (15.25) 8.3% |
| Revolutions per mile (km) | 683.03 (424.41) | 635.65 (394.97) | -47.38 (-29.44) -6.9% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.49 mph (34.59 km/h) |
| 25 mph (40.23 km/h) | 26.86 mph (43.23 km/h) |
| 30 mph (48.28 km/h) | 32.24 mph (51.88 km/h) |
| 35 mph (56.33 km/h) | 37.61 mph (60.53 km/h) |
| 40 mph (64.37 km/h) | 42.98 mph (69.17 km/h) |
| 45 mph (72.42 km/h) | 48.35 mph (77.82 km/h) |
| 50 mph (80.47 km/h) | 53.73 mph (86.46 km/h) |
| 55 mph (88.51 km/h) | 59.1 mph (95.11 km/h) |
| 60 mph (96.56 km/h) | 64.47 mph (103.76 km/h) |
| 65 mph (104.61 km/h) | 69.84 mph (112.4 km/h) |
| 70 mph (112.65 km/h) | 75.22 mph (121.05 km/h) |
| 75 mph (120.7 km/h) | 80.59 mph (129.7 km/h) |
| 80 mph (128.75 km/h) | 85.96 mph (138.34 km/h) |
| 85 mph (136.79 km/h) | 91.34 mph (146.99 km/h) |
| 90 mph (144.84 km/h) | 96.71 mph (155.64 km/h) |
| 95 mph (152.89 km/h) | 102.08 mph (164.28 km/h) |
| 100 mph (160.93 km/h) | 107.45 mph (172.93 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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