Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 28.88 (733.5) | 4.13 (105) 16.7% |
| Width inches (mm) | 6.5 (165) | 9.25 (235) | 2.76 (70) 42.4% |
| Circum. inches (mm) | 77.74 (1974.49) | 90.72 (2304.36) | 12.99 (329.87) 16.7% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 6.94 (176.25) | 2.07 (52.5) 42.4% |
| Revolutions per mile (km) | 815.07 (506.46) | 698.39 (433.96) | -116.68 (-72.5) -14.3% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.34 mph (37.56 km/h) |
| 25 mph (40.23 km/h) | 29.18 mph (46.96 km/h) |
| 30 mph (48.28 km/h) | 35.01 mph (56.35 km/h) |
| 35 mph (56.33 km/h) | 40.85 mph (65.74 km/h) |
| 40 mph (64.37 km/h) | 46.68 mph (75.13 km/h) |
| 45 mph (72.42 km/h) | 52.52 mph (84.52 km/h) |
| 50 mph (80.47 km/h) | 58.35 mph (93.91 km/h) |
| 55 mph (88.51 km/h) | 64.19 mph (103.3 km/h) |
| 60 mph (96.56 km/h) | 70.02 mph (112.69 km/h) |
| 65 mph (104.61 km/h) | 75.86 mph (122.08 km/h) |
| 70 mph (112.65 km/h) | 81.69 mph (131.47 km/h) |
| 75 mph (120.7 km/h) | 87.53 mph (140.87 km/h) |
| 80 mph (128.75 km/h) | 93.37 mph (150.26 km/h) |
| 85 mph (136.79 km/h) | 99.2 mph (159.65 km/h) |
| 90 mph (144.84 km/h) | 105.04 mph (169.04 km/h) |
| 95 mph (152.89 km/h) | 110.87 mph (178.43 km/h) |
| 100 mph (160.93 km/h) | 116.71 mph (187.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1777 | 2065 | 2223 | 2322 | 2428 | 2503 | 2586 | 2685 | 2821 | 2957 | 3108 | 3229 | 3449 | 3691 | 3880 | 4001 | 4069 | 4318 | 4666 | 5423 |
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