Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/65-16 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.59 (776.9) | 31.73 (805.9) | 1.14 (29) 3.7% |
| Width inches (mm) | 11.22 (285) | 9.25 (235) | -1.97 (-50) -17.5% |
| Circum. inches (mm) | 96.09 (2440.7) | 99.68 (2531.81) | 3.59 (91.11) 3.7% |
| Sidewall Height inches (mm) | 7.29 (185.25) | 7.86 (199.75) | 0.57 (14.5) 7.8% |
| Revolutions per mile (km) | 659.38 (409.72) | 635.65 (394.97) | -23.73 (-14.74) -3.6% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.75 mph (33.39 km/h) |
| 25 mph (40.23 km/h) | 25.93 mph (41.74 km/h) |
| 30 mph (48.28 km/h) | 31.12 mph (50.08 km/h) |
| 35 mph (56.33 km/h) | 36.31 mph (58.43 km/h) |
| 40 mph (64.37 km/h) | 41.49 mph (66.78 km/h) |
| 45 mph (72.42 km/h) | 46.68 mph (75.12 km/h) |
| 50 mph (80.47 km/h) | 51.87 mph (83.47 km/h) |
| 55 mph (88.51 km/h) | 57.05 mph (91.82 km/h) |
| 60 mph (96.56 km/h) | 62.24 mph (100.17 km/h) |
| 65 mph (104.61 km/h) | 67.43 mph (108.51 km/h) |
| 70 mph (112.65 km/h) | 72.61 mph (116.86 km/h) |
| 75 mph (120.7 km/h) | 77.8 mph (125.21 km/h) |
| 80 mph (128.75 km/h) | 82.99 mph (133.55 km/h) |
| 85 mph (136.79 km/h) | 88.17 mph (141.9 km/h) |
| 90 mph (144.84 km/h) | 93.36 mph (150.25 km/h) |
| 95 mph (152.89 km/h) | 98.55 mph (158.59 km/h) |
| 100 mph (160.93 km/h) | 103.73 mph (166.94 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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