Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/75-15 | 165/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.52 (673.5) | 25.39 (645) | -1.12 (-28.5) -4.2% |
| Width inches (mm) | 7.68 (195) | 6.5 (165) | -1.18 (-30) -15.4% |
| Circum. inches (mm) | 83.3 (2115.86) | 79.78 (2026.33) | -3.53 (-89.54) -4.2% |
| Sidewall Height inches (mm) | 5.76 (146.25) | 5.2 (132) | -0.56 (-14.25) -9.7% |
| Revolutions per mile (km) | 760.61 (472.62) | 794.22 (493.5) | 33.61 (20.88) 4.4% |
165/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.15 mph (30.82 km/h) |
| 25 mph (40.23 km/h) | 23.94 mph (38.53 km/h) |
| 30 mph (48.28 km/h) | 28.73 mph (46.24 km/h) |
| 35 mph (56.33 km/h) | 33.52 mph (53.94 km/h) |
| 40 mph (64.37 km/h) | 38.31 mph (61.65 km/h) |
| 45 mph (72.42 km/h) | 43.1 mph (69.36 km/h) |
| 50 mph (80.47 km/h) | 47.88 mph (77.06 km/h) |
| 55 mph (88.51 km/h) | 52.67 mph (84.77 km/h) |
| 60 mph (96.56 km/h) | 57.46 mph (92.47 km/h) |
| 65 mph (104.61 km/h) | 62.25 mph (100.18 km/h) |
| 70 mph (112.65 km/h) | 67.04 mph (107.89 km/h) |
| 75 mph (120.7 km/h) | 71.83 mph (115.59 km/h) |
| 80 mph (128.75 km/h) | 76.61 mph (123.3 km/h) |
| 85 mph (136.79 km/h) | 81.4 mph (131.01 km/h) |
| 90 mph (144.84 km/h) | 86.19 mph (138.71 km/h) |
| 95 mph (152.89 km/h) | 90.98 mph (146.42 km/h) |
| 100 mph (160.93 km/h) | 95.77 mph (154.12 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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