Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/65-15 | 145/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.44 (595.5) | 22.42 (569.5) | -1.02 (-26) -4.4% |
| Width inches (mm) | 6.5 (165) | 5.71 (145) | -0.79 (-20) -12.1% |
| Circum. inches (mm) | 73.65 (1870.82) | 70.44 (1789.14) | -3.22 (-81.68) -4.4% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 3.71 (94.25) | -0.51 (-13) -12.1% |
| Revolutions per mile (km) | 860.24 (534.52) | 899.51 (558.93) | 39.27 (24.4) 4.6% |
145/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.13 mph (30.78 km/h) |
| 25 mph (40.23 km/h) | 23.91 mph (38.48 km/h) |
| 30 mph (48.28 km/h) | 28.69 mph (46.17 km/h) |
| 35 mph (56.33 km/h) | 33.47 mph (53.87 km/h) |
| 40 mph (64.37 km/h) | 38.25 mph (61.56 km/h) |
| 45 mph (72.42 km/h) | 43.04 mph (69.26 km/h) |
| 50 mph (80.47 km/h) | 47.82 mph (76.95 km/h) |
| 55 mph (88.51 km/h) | 52.6 mph (84.65 km/h) |
| 60 mph (96.56 km/h) | 57.38 mph (92.34 km/h) |
| 65 mph (104.61 km/h) | 62.16 mph (100.04 km/h) |
| 70 mph (112.65 km/h) | 66.94 mph (107.74 km/h) |
| 75 mph (120.7 km/h) | 71.73 mph (115.43 km/h) |
| 80 mph (128.75 km/h) | 76.51 mph (123.13 km/h) |
| 85 mph (136.79 km/h) | 81.29 mph (130.82 km/h) |
| 90 mph (144.84 km/h) | 86.07 mph (138.52 km/h) |
| 95 mph (152.89 km/h) | 90.85 mph (146.21 km/h) |
| 100 mph (160.93 km/h) | 95.63 mph (153.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2289 | 2659 | 2864 | 2990 | 3127 | 3224 | 3331 | 3458 | 3633 | 3809 | 4003 | 4159 | 4442 | 4753 | 4997 | 5153 | 5241 | 5562 | 6010 | 6984 |
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