Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.54 (598) | 23.96 (608.5) | 0.41 (10.5) 1.8% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 73.96 (1878.67) | 75.26 (1911.66) | 1.3 (32.99) 1.8% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.48 (113.75) | 0.21 (5.25) 4.8% |
| Revolutions per mile (km) | 856.64 (532.29) | 841.86 (523.1) | -14.78 (-9.18) -1.7% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.35 mph (32.75 km/h) |
| 25 mph (40.23 km/h) | 25.44 mph (40.94 km/h) |
| 30 mph (48.28 km/h) | 30.53 mph (49.13 km/h) |
| 35 mph (56.33 km/h) | 35.61 mph (57.32 km/h) |
| 40 mph (64.37 km/h) | 40.7 mph (65.5 km/h) |
| 45 mph (72.42 km/h) | 45.79 mph (73.69 km/h) |
| 50 mph (80.47 km/h) | 50.88 mph (81.88 km/h) |
| 55 mph (88.51 km/h) | 55.97 mph (90.07 km/h) |
| 60 mph (96.56 km/h) | 61.05 mph (98.26 km/h) |
| 65 mph (104.61 km/h) | 66.14 mph (106.44 km/h) |
| 70 mph (112.65 km/h) | 71.23 mph (114.63 km/h) |
| 75 mph (120.7 km/h) | 76.32 mph (122.82 km/h) |
| 80 mph (128.75 km/h) | 81.4 mph (131.01 km/h) |
| 85 mph (136.79 km/h) | 86.49 mph (139.2 km/h) |
| 90 mph (144.84 km/h) | 91.58 mph (147.38 km/h) |
| 95 mph (152.89 km/h) | 96.67 mph (155.57 km/h) |
| 100 mph (160.93 km/h) | 101.76 mph (163.76 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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