Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/85-18 | 125/70-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.7 (703.7) | 25.89 (657.6) | -1.81 (-46.1) -6.6% |
| Width inches (mm) | 5.71 (145) | 4.92 (125) | -0.79 (-20) -13.8% |
| Circum. inches (mm) | 87.04 (2210.74) | 81.34 (2065.91) | -5.7 (-144.83) -6.6% |
| Sidewall Height inches (mm) | 4.85 (123.25) | 3.44 (87.5) | -1.41 (-35.75) -29% |
| Revolutions per mile (km) | 727.97 (452.34) | 779 (484.05) | 51.03 (31.71) 7% |
125/70-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.69 mph (30.08 km/h) |
| 25 mph (40.23 km/h) | 23.36 mph (37.6 km/h) |
| 30 mph (48.28 km/h) | 28.03 mph (45.12 km/h) |
| 35 mph (56.33 km/h) | 32.71 mph (52.64 km/h) |
| 40 mph (64.37 km/h) | 37.38 mph (60.16 km/h) |
| 45 mph (72.42 km/h) | 42.05 mph (67.68 km/h) |
| 50 mph (80.47 km/h) | 46.72 mph (75.2 km/h) |
| 55 mph (88.51 km/h) | 51.4 mph (82.72 km/h) |
| 60 mph (96.56 km/h) | 56.07 mph (90.24 km/h) |
| 65 mph (104.61 km/h) | 60.74 mph (97.75 km/h) |
| 70 mph (112.65 km/h) | 65.41 mph (105.27 km/h) |
| 75 mph (120.7 km/h) | 70.09 mph (112.79 km/h) |
| 80 mph (128.75 km/h) | 74.76 mph (120.31 km/h) |
| 85 mph (136.79 km/h) | 79.43 mph (127.83 km/h) |
| 90 mph (144.84 km/h) | 84.1 mph (135.35 km/h) |
| 95 mph (152.89 km/h) | 88.78 mph (142.87 km/h) |
| 100 mph (160.93 km/h) | 93.45 mph (150.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1982 | 2303 | 2480 | 2590 | 2708 | 2792 | 2885 | 2995 | 3147 | 3298 | 3467 | 3602 | 3847 | 4117 | 4328 | 4463 | 4538 | 4817 | 5205 | 6048 |
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