Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-15 | 175/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.47 (621.5) | 23.65 (600.6) | -0.82 (-20.9) -3.4% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 76.87 (1952.5) | 74.29 (1886.84) | -2.59 (-65.66) -3.4% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 4.82 (122.5) | 0.09 (2.25) 1.9% |
| Revolutions per mile (km) | 824.25 (512.16) | 852.93 (529.99) | 28.68 (17.82) 3.5% |
175/70-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.33 mph (31.1 km/h) |
| 25 mph (40.23 km/h) | 24.16 mph (38.88 km/h) |
| 30 mph (48.28 km/h) | 28.99 mph (46.66 km/h) |
| 35 mph (56.33 km/h) | 33.82 mph (54.43 km/h) |
| 40 mph (64.37 km/h) | 38.65 mph (62.21 km/h) |
| 45 mph (72.42 km/h) | 43.49 mph (69.99 km/h) |
| 50 mph (80.47 km/h) | 48.32 mph (77.76 km/h) |
| 55 mph (88.51 km/h) | 53.15 mph (85.54 km/h) |
| 60 mph (96.56 km/h) | 57.98 mph (93.31 km/h) |
| 65 mph (104.61 km/h) | 62.81 mph (101.09 km/h) |
| 70 mph (112.65 km/h) | 67.65 mph (108.87 km/h) |
| 75 mph (120.7 km/h) | 72.48 mph (116.64 km/h) |
| 80 mph (128.75 km/h) | 77.31 mph (124.42 km/h) |
| 85 mph (136.79 km/h) | 82.14 mph (132.19 km/h) |
| 90 mph (144.84 km/h) | 86.97 mph (139.97 km/h) |
| 95 mph (152.89 km/h) | 91.81 mph (147.75 km/h) |
| 100 mph (160.93 km/h) | 96.64 mph (155.52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2171 | 2522 | 2715 | 2836 | 2965 | 3057 | 3159 | 3279 | 3445 | 3611 | 3796 | 3944 | 4212 | 4507 | 4738 | 4886 | 4969 | 5274 | 5699 | 6622 |
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