Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/90-16 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.94 (811.4) | 31.73 (805.9) | -0.22 (-5.5) -0.7% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 100.36 (2549.09) | 99.68 (2531.81) | -0.68 (-17.28) -0.7% |
| Sidewall Height inches (mm) | 7.97 (202.5) | 7.86 (199.75) | -0.11 (-2.75) -1.4% |
| Revolutions per mile (km) | 631.34 (392.3) | 635.65 (394.97) | 4.31 (2.68) 0.7% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.86 mph (31.97 km/h) |
| 25 mph (40.23 km/h) | 24.83 mph (39.96 km/h) |
| 30 mph (48.28 km/h) | 29.8 mph (47.95 km/h) |
| 35 mph (56.33 km/h) | 34.76 mph (55.95 km/h) |
| 40 mph (64.37 km/h) | 39.73 mph (63.94 km/h) |
| 45 mph (72.42 km/h) | 44.69 mph (71.93 km/h) |
| 50 mph (80.47 km/h) | 49.66 mph (79.92 km/h) |
| 55 mph (88.51 km/h) | 54.63 mph (87.91 km/h) |
| 60 mph (96.56 km/h) | 59.59 mph (95.91 km/h) |
| 65 mph (104.61 km/h) | 64.56 mph (103.9 km/h) |
| 70 mph (112.65 km/h) | 69.53 mph (111.89 km/h) |
| 75 mph (120.7 km/h) | 74.49 mph (119.88 km/h) |
| 80 mph (128.75 km/h) | 79.46 mph (127.88 km/h) |
| 85 mph (136.79 km/h) | 84.42 mph (135.87 km/h) |
| 90 mph (144.84 km/h) | 89.39 mph (143.86 km/h) |
| 95 mph (152.89 km/h) | 94.36 mph (151.85 km/h) |
| 100 mph (160.93 km/h) | 99.32 mph (159.84 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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