Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/85-16 | 235/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.73 (805.9) | 28.03 (711.9) | -3.7 (-94) -11.7% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 99.68 (2531.81) | 88.05 (2236.5) | -11.63 (-295.31) -11.7% |
| Sidewall Height inches (mm) | 7.86 (199.75) | 6.01 (152.75) | -1.85 (-47) -23.5% |
| Revolutions per mile (km) | 635.65 (394.97) | 719.58 (447.13) | 83.93 (52.15) 13.2% |
235/65-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.67 mph (28.43 km/h) |
| 25 mph (40.23 km/h) | 22.08 mph (35.54 km/h) |
| 30 mph (48.28 km/h) | 26.5 mph (42.65 km/h) |
| 35 mph (56.33 km/h) | 30.92 mph (49.76 km/h) |
| 40 mph (64.37 km/h) | 35.33 mph (56.87 km/h) |
| 45 mph (72.42 km/h) | 39.75 mph (63.97 km/h) |
| 50 mph (80.47 km/h) | 44.17 mph (71.08 km/h) |
| 55 mph (88.51 km/h) | 48.58 mph (78.19 km/h) |
| 60 mph (96.56 km/h) | 53 mph (85.3 km/h) |
| 65 mph (104.61 km/h) | 57.42 mph (92.41 km/h) |
| 70 mph (112.65 km/h) | 61.84 mph (99.51 km/h) |
| 75 mph (120.7 km/h) | 66.25 mph (106.62 km/h) |
| 80 mph (128.75 km/h) | 70.67 mph (113.73 km/h) |
| 85 mph (136.79 km/h) | 75.09 mph (120.84 km/h) |
| 90 mph (144.84 km/h) | 79.5 mph (127.95 km/h) |
| 95 mph (152.89 km/h) | 83.92 mph (135.06 km/h) |
| 100 mph (160.93 km/h) | 88.34 mph (142.16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1831 | 2127 | 2291 | 2392 | 2501 | 2579 | 2665 | 2766 | 2907 | 3047 | 3203 | 3327 | 3553 | 3803 | 3997 | 4122 | 4192 | 4449 | 4808 | 5587 |
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