Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/65-15 | 165/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.44 (595.5) | 25.39 (645) | 1.95 (49.5) 8.3% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 73.65 (1870.82) | 79.78 (2026.33) | 6.12 (155.51) 8.3% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 5.2 (132) | 0.97 (24.75) 23.1% |
| Revolutions per mile (km) | 860.24 (534.52) | 794.22 (493.5) | -66.02 (-41.02) -7.7% |
165/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.66 mph (34.86 km/h) |
| 25 mph (40.23 km/h) | 27.08 mph (43.58 km/h) |
| 30 mph (48.28 km/h) | 32.49 mph (52.29 km/h) |
| 35 mph (56.33 km/h) | 37.91 mph (61.01 km/h) |
| 40 mph (64.37 km/h) | 43.32 mph (69.72 km/h) |
| 45 mph (72.42 km/h) | 48.74 mph (78.44 km/h) |
| 50 mph (80.47 km/h) | 54.16 mph (87.16 km/h) |
| 55 mph (88.51 km/h) | 59.57 mph (95.87 km/h) |
| 60 mph (96.56 km/h) | 64.99 mph (104.59 km/h) |
| 65 mph (104.61 km/h) | 70.4 mph (113.3 km/h) |
| 70 mph (112.65 km/h) | 75.82 mph (122.02 km/h) |
| 75 mph (120.7 km/h) | 81.23 mph (130.73 km/h) |
| 80 mph (128.75 km/h) | 86.65 mph (139.45 km/h) |
| 85 mph (136.79 km/h) | 92.07 mph (148.17 km/h) |
| 90 mph (144.84 km/h) | 97.48 mph (156.88 km/h) |
| 95 mph (152.89 km/h) | 102.9 mph (165.6 km/h) |
| 100 mph (160.93 km/h) | 108.31 mph (174.31 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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