Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 23.96 (608.5) | -1.99 (-50.5) -7.7% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 81.51 (2070.31) | 75.26 (1911.66) | -6.25 (-158.65) -7.7% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 4.48 (113.75) | -1.49 (-37.95) -25% |
| Revolutions per mile (km) | 777.34 (483.02) | 841.86 (523.1) | 64.51 (40.09) 8.3% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.47 mph (29.72 km/h) |
| 25 mph (40.23 km/h) | 23.08 mph (37.15 km/h) |
| 30 mph (48.28 km/h) | 27.7 mph (44.58 km/h) |
| 35 mph (56.33 km/h) | 32.32 mph (52.01 km/h) |
| 40 mph (64.37 km/h) | 36.93 mph (59.44 km/h) |
| 45 mph (72.42 km/h) | 41.55 mph (66.87 km/h) |
| 50 mph (80.47 km/h) | 46.17 mph (74.3 km/h) |
| 55 mph (88.51 km/h) | 50.79 mph (81.73 km/h) |
| 60 mph (96.56 km/h) | 55.4 mph (89.16 km/h) |
| 65 mph (104.61 km/h) | 60.02 mph (96.59 km/h) |
| 70 mph (112.65 km/h) | 64.64 mph (104.02 km/h) |
| 75 mph (120.7 km/h) | 69.25 mph (111.45 km/h) |
| 80 mph (128.75 km/h) | 73.87 mph (118.88 km/h) |
| 85 mph (136.79 km/h) | 78.49 mph (126.31 km/h) |
| 90 mph (144.84 km/h) | 83.1 mph (133.74 km/h) |
| 95 mph (152.89 km/h) | 87.72 mph (141.17 km/h) |
| 100 mph (160.93 km/h) | 92.34 mph (148.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2142 | 2489 | 2680 | 2799 | 2926 | 3018 | 3118 | 3236 | 3400 | 3565 | 3747 | 3893 | 4157 | 4449 | 4677 | 4823 | 4905 | 5205 | 5625 | 6536 |
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