Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/65-15 | 235/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.96 (608.5) | 28.88 (733.5) | 4.92 (125) 20.5% |
| Width inches (mm) | 6.89 (175) | 9.25 (235) | 2.36 (60) 34.3% |
| Circum. inches (mm) | 75.26 (1911.66) | 90.72 (2304.36) | 15.46 (392.7) 20.5% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 6.94 (176.25) | 2.46 (62.5) 54.9% |
| Revolutions per mile (km) | 841.86 (523.1) | 698.39 (433.96) | -143.47 (-89.15) -17% |
235/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.11 mph (38.8 km/h) |
| 25 mph (40.23 km/h) | 30.14 mph (48.5 km/h) |
| 30 mph (48.28 km/h) | 36.16 mph (58.2 km/h) |
| 35 mph (56.33 km/h) | 42.19 mph (67.9 km/h) |
| 40 mph (64.37 km/h) | 48.22 mph (77.6 km/h) |
| 45 mph (72.42 km/h) | 54.24 mph (87.3 km/h) |
| 50 mph (80.47 km/h) | 60.27 mph (97 km/h) |
| 55 mph (88.51 km/h) | 66.3 mph (106.7 km/h) |
| 60 mph (96.56 km/h) | 72.33 mph (116.4 km/h) |
| 65 mph (104.61 km/h) | 78.35 mph (126.1 km/h) |
| 70 mph (112.65 km/h) | 84.38 mph (135.8 km/h) |
| 75 mph (120.7 km/h) | 90.41 mph (145.5 km/h) |
| 80 mph (128.75 km/h) | 96.43 mph (155.2 km/h) |
| 85 mph (136.79 km/h) | 102.46 mph (164.9 km/h) |
| 90 mph (144.84 km/h) | 108.49 mph (174.59 km/h) |
| 95 mph (152.89 km/h) | 114.52 mph (184.29 km/h) |
| 100 mph (160.93 km/h) | 120.54 mph (193.99 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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