Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-15 | 165/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.8 (579) | 25.39 (645) | 2.6 (66) 11.4% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 71.61 (1818.98) | 79.78 (2026.33) | 8.16 (207.35) 11.4% |
| Sidewall Height inches (mm) | 3.9 (99) | 5.2 (132) | 1.3 (33) 33.3% |
| Revolutions per mile (km) | 884.75 (549.76) | 794.22 (493.5) | -90.53 (-56.25) -10.2% |
165/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.28 mph (35.86 km/h) |
| 25 mph (40.23 km/h) | 27.85 mph (44.82 km/h) |
| 30 mph (48.28 km/h) | 33.42 mph (53.78 km/h) |
| 35 mph (56.33 km/h) | 38.99 mph (62.75 km/h) |
| 40 mph (64.37 km/h) | 44.56 mph (71.71 km/h) |
| 45 mph (72.42 km/h) | 50.13 mph (80.68 km/h) |
| 50 mph (80.47 km/h) | 55.7 mph (89.64 km/h) |
| 55 mph (88.51 km/h) | 61.27 mph (98.6 km/h) |
| 60 mph (96.56 km/h) | 66.84 mph (107.57 km/h) |
| 65 mph (104.61 km/h) | 72.41 mph (116.53 km/h) |
| 70 mph (112.65 km/h) | 77.98 mph (125.5 km/h) |
| 75 mph (120.7 km/h) | 83.55 mph (134.46 km/h) |
| 80 mph (128.75 km/h) | 89.12 mph (143.42 km/h) |
| 85 mph (136.79 km/h) | 94.69 mph (152.39 km/h) |
| 90 mph (144.84 km/h) | 100.26 mph (161.35 km/h) |
| 95 mph (152.89 km/h) | 105.83 mph (170.32 km/h) |
| 100 mph (160.93 km/h) | 111.4 mph (179.28 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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