Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/70-14 | 185/75-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.65 (600.6) | 24.93 (633.1) | 1.28 (32.5) 5.4% |
| Width inches (mm) | 6.89 (175) | 7.28 (185) | 0.39 (10) 5.7% |
| Circum. inches (mm) | 74.29 (1886.84) | 78.3 (1988.94) | 4.02 (102.1) 5.4% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 5.46 (138.75) | 0.64 (16.25) 13.3% |
| Revolutions per mile (km) | 852.93 (529.99) | 809.15 (502.78) | -43.78 (-27.21) -5.1% |
185/75-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.08 mph (33.93 km/h) |
| 25 mph (40.23 km/h) | 26.35 mph (42.41 km/h) |
| 30 mph (48.28 km/h) | 31.62 mph (50.89 km/h) |
| 35 mph (56.33 km/h) | 36.89 mph (59.38 km/h) |
| 40 mph (64.37 km/h) | 42.16 mph (67.86 km/h) |
| 45 mph (72.42 km/h) | 47.44 mph (76.34 km/h) |
| 50 mph (80.47 km/h) | 52.71 mph (84.82 km/h) |
| 55 mph (88.51 km/h) | 57.98 mph (93.3 km/h) |
| 60 mph (96.56 km/h) | 63.25 mph (101.79 km/h) |
| 65 mph (104.61 km/h) | 68.52 mph (110.27 km/h) |
| 70 mph (112.65 km/h) | 73.79 mph (118.75 km/h) |
| 75 mph (120.7 km/h) | 79.06 mph (127.23 km/h) |
| 80 mph (128.75 km/h) | 84.33 mph (135.71 km/h) |
| 85 mph (136.79 km/h) | 89.6 mph (144.2 km/h) |
| 90 mph (144.84 km/h) | 94.87 mph (152.68 km/h) |
| 95 mph (152.89 km/h) | 100.14 mph (161.16 km/h) |
| 100 mph (160.93 km/h) | 105.41 mph (169.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2059 | 2392 | 2576 | 2690 | 2813 | 2900 | 2997 | 3111 | 3268 | 3426 | 3601 | 3741 | 3996 | 4276 | 4495 | 4635 | 4714 | 5003 | 5406 | 6283 |
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