Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/70-16 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.91 (861.4) | 31.73 (805.9) | -2.19 (-55.5) -6.4% |
| Width inches (mm) | 12.8 (325) | 9.25 (235) | -3.54 (-90) -27.7% |
| Circum. inches (mm) | 106.54 (2706.17) | 99.68 (2531.81) | -6.86 (-174.36) -6.4% |
| Sidewall Height inches (mm) | 8.96 (227.5) | 7.86 (199.75) | -1.09 (-27.75) -12.2% |
| Revolutions per mile (km) | 594.69 (369.53) | 635.65 (394.97) | 40.95 (25.45) 6.9% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.71 mph (30.11 km/h) |
| 25 mph (40.23 km/h) | 23.39 mph (37.64 km/h) |
| 30 mph (48.28 km/h) | 28.07 mph (45.17 km/h) |
| 35 mph (56.33 km/h) | 32.74 mph (52.7 km/h) |
| 40 mph (64.37 km/h) | 37.42 mph (60.23 km/h) |
| 45 mph (72.42 km/h) | 42.1 mph (67.75 km/h) |
| 50 mph (80.47 km/h) | 46.78 mph (75.28 km/h) |
| 55 mph (88.51 km/h) | 51.46 mph (82.81 km/h) |
| 60 mph (96.56 km/h) | 56.13 mph (90.34 km/h) |
| 65 mph (104.61 km/h) | 60.81 mph (97.87 km/h) |
| 70 mph (112.65 km/h) | 65.49 mph (105.4 km/h) |
| 75 mph (120.7 km/h) | 70.17 mph (112.92 km/h) |
| 80 mph (128.75 km/h) | 74.85 mph (120.45 km/h) |
| 85 mph (136.79 km/h) | 79.52 mph (127.98 km/h) |
| 90 mph (144.84 km/h) | 84.2 mph (135.51 km/h) |
| 95 mph (152.89 km/h) | 88.88 mph (143.04 km/h) |
| 100 mph (160.93 km/h) | 93.56 mph (150.57 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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