Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/60-15 | 165/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.32 (567) | 25.39 (645) | 3.07 (78) 13.8% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 70.13 (1781.28) | 79.78 (2026.33) | 9.65 (245.04) 13.8% |
| Sidewall Height inches (mm) | 3.66 (93) | 5.2 (132) | 1.54 (39) 41.9% |
| Revolutions per mile (km) | 903.47 (561.39) | 794.22 (493.5) | -109.26 (-67.89) -12.1% |
165/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.75 mph (36.61 km/h) |
| 25 mph (40.23 km/h) | 28.44 mph (45.77 km/h) |
| 30 mph (48.28 km/h) | 34.13 mph (54.92 km/h) |
| 35 mph (56.33 km/h) | 39.81 mph (64.08 km/h) |
| 40 mph (64.37 km/h) | 45.5 mph (73.23 km/h) |
| 45 mph (72.42 km/h) | 51.19 mph (82.38 km/h) |
| 50 mph (80.47 km/h) | 56.88 mph (91.54 km/h) |
| 55 mph (88.51 km/h) | 62.57 mph (100.69 km/h) |
| 60 mph (96.56 km/h) | 68.25 mph (109.84 km/h) |
| 65 mph (104.61 km/h) | 73.94 mph (119 km/h) |
| 70 mph (112.65 km/h) | 79.63 mph (128.15 km/h) |
| 75 mph (120.7 km/h) | 85.32 mph (137.31 km/h) |
| 80 mph (128.75 km/h) | 91.01 mph (146.46 km/h) |
| 85 mph (136.79 km/h) | 96.69 mph (155.61 km/h) |
| 90 mph (144.84 km/h) | 102.38 mph (164.77 km/h) |
| 95 mph (152.89 km/h) | 108.07 mph (173.92 km/h) |
| 100 mph (160.93 km/h) | 113.76 mph (183.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 2348 | 2529 | 2640 | 2761 | 2847 | 2941 | 3053 | 3208 | 3363 | 3535 | 3672 | 3922 | 4197 | 4412 | 4550 | 4627 | 4911 | 5307 | 6167 |
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