Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-19 | 145/80-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.76 (730.6) | 28.13 (714.6) | -0.63 (-16) -2.2% |
| Width inches (mm) | 6.1 (155) | 5.71 (145) | -0.39 (-10) -6.5% |
| Circum. inches (mm) | 90.36 (2295.25) | 88.39 (2244.98) | -1.98 (-50.27) -2.2% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.57 (116) | -0.31 (-8) -6.5% |
| Revolutions per mile (km) | 701.16 (435.68) | 716.86 (445.44) | 15.7 (9.75) 2.2% |
145/80-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.56 mph (31.48 km/h) |
| 25 mph (40.23 km/h) | 24.45 mph (39.35 km/h) |
| 30 mph (48.28 km/h) | 29.34 mph (47.22 km/h) |
| 35 mph (56.33 km/h) | 34.23 mph (55.09 km/h) |
| 40 mph (64.37 km/h) | 39.12 mph (62.96 km/h) |
| 45 mph (72.42 km/h) | 44.01 mph (70.83 km/h) |
| 50 mph (80.47 km/h) | 48.91 mph (78.71 km/h) |
| 55 mph (88.51 km/h) | 53.8 mph (86.58 km/h) |
| 60 mph (96.56 km/h) | 58.69 mph (94.45 km/h) |
| 65 mph (104.61 km/h) | 63.58 mph (102.32 km/h) |
| 70 mph (112.65 km/h) | 68.47 mph (110.19 km/h) |
| 75 mph (120.7 km/h) | 73.36 mph (118.06 km/h) |
| 80 mph (128.75 km/h) | 78.25 mph (125.93 km/h) |
| 85 mph (136.79 km/h) | 83.14 mph (133.8 km/h) |
| 90 mph (144.84 km/h) | 88.03 mph (141.67 km/h) |
| 95 mph (152.89 km/h) | 92.92 mph (149.54 km/h) |
| 100 mph (160.93 km/h) | 97.81 mph (157.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1824 | 2119 | 2282 | 2383 | 2492 | 2570 | 2655 | 2756 | 2896 | 3035 | 3191 | 3315 | 3540 | 3788 | 3982 | 4107 | 4176 | 4433 | 4790 | 5566 |
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