Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/85-16 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.71 (703.9) | 31.73 (805.9) | 4.02 (102) 14.5% |
| Width inches (mm) | 6.89 (175) | 9.25 (235) | 2.36 (60) 34.3% |
| Circum. inches (mm) | 87.06 (2211.37) | 99.68 (2531.81) | 12.62 (320.44) 14.5% |
| Sidewall Height inches (mm) | 5.86 (148.75) | 7.86 (199.75) | 2.01 (51) 34.3% |
| Revolutions per mile (km) | 727.76 (452.21) | 635.65 (394.97) | -92.11 (-57.23) -12.7% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.9 mph (36.85 km/h) |
| 25 mph (40.23 km/h) | 28.62 mph (46.06 km/h) |
| 30 mph (48.28 km/h) | 34.35 mph (55.28 km/h) |
| 35 mph (56.33 km/h) | 40.07 mph (64.49 km/h) |
| 40 mph (64.37 km/h) | 45.8 mph (73.7 km/h) |
| 45 mph (72.42 km/h) | 51.52 mph (82.91 km/h) |
| 50 mph (80.47 km/h) | 57.25 mph (92.13 km/h) |
| 55 mph (88.51 km/h) | 62.97 mph (101.34 km/h) |
| 60 mph (96.56 km/h) | 68.69 mph (110.55 km/h) |
| 65 mph (104.61 km/h) | 74.42 mph (119.77 km/h) |
| 70 mph (112.65 km/h) | 80.14 mph (128.98 km/h) |
| 75 mph (120.7 km/h) | 85.87 mph (138.19 km/h) |
| 80 mph (128.75 km/h) | 91.59 mph (147.4 km/h) |
| 85 mph (136.79 km/h) | 97.32 mph (156.62 km/h) |
| 90 mph (144.84 km/h) | 103.04 mph (165.83 km/h) |
| 95 mph (152.89 km/h) | 108.77 mph (175.04 km/h) |
| 100 mph (160.93 km/h) | 114.49 mph (184.26 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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