Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/65-16 | 235/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.03 (711.9) | 31.73 (805.9) | 3.7 (94) 13.2% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 88.05 (2236.5) | 99.68 (2531.81) | 11.63 (295.31) 13.2% |
| Sidewall Height inches (mm) | 6.01 (152.75) | 7.86 (199.75) | 1.85 (47) 30.8% |
| Revolutions per mile (km) | 719.58 (447.13) | 635.65 (394.97) | -83.93 (-52.15) -11.7% |
235/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.64 mph (36.44 km/h) |
| 25 mph (40.23 km/h) | 28.3 mph (45.55 km/h) |
| 30 mph (48.28 km/h) | 33.96 mph (54.66 km/h) |
| 35 mph (56.33 km/h) | 39.62 mph (63.76 km/h) |
| 40 mph (64.37 km/h) | 45.28 mph (72.87 km/h) |
| 45 mph (72.42 km/h) | 50.94 mph (81.98 km/h) |
| 50 mph (80.47 km/h) | 56.6 mph (91.09 km/h) |
| 55 mph (88.51 km/h) | 62.26 mph (100.2 km/h) |
| 60 mph (96.56 km/h) | 67.92 mph (109.31 km/h) |
| 65 mph (104.61 km/h) | 73.58 mph (118.42 km/h) |
| 70 mph (112.65 km/h) | 79.24 mph (127.53 km/h) |
| 75 mph (120.7 km/h) | 84.9 mph (136.64 km/h) |
| 80 mph (128.75 km/h) | 90.56 mph (145.75 km/h) |
| 85 mph (136.79 km/h) | 96.22 mph (154.86 km/h) |
| 90 mph (144.84 km/h) | 101.88 mph (163.97 km/h) |
| 95 mph (152.89 km/h) | 107.54 mph (173.08 km/h) |
| 100 mph (160.93 km/h) | 113.2 mph (182.18 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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