Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-18 | 235/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.5 (673.2) | 27.33 (694.1) | 0.82 (20.9) 3.1% |
| Width inches (mm) | 5.31 (135) | 9.25 (235) | 3.94 (100) 74.1% |
| Circum. inches (mm) | 83.26 (2114.92) | 85.85 (2180.58) | 2.59 (65.66) 3.1% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.16 (105.75) | -0.09 (-2.25) -2.1% |
| Revolutions per mile (km) | 760.95 (472.83) | 738.04 (458.59) | -22.91 (-14.24) -3% |
235/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.62 mph (33.19 km/h) |
| 25 mph (40.23 km/h) | 25.78 mph (41.48 km/h) |
| 30 mph (48.28 km/h) | 30.93 mph (49.78 km/h) |
| 35 mph (56.33 km/h) | 36.09 mph (58.08 km/h) |
| 40 mph (64.37 km/h) | 41.24 mph (66.37 km/h) |
| 45 mph (72.42 km/h) | 46.4 mph (74.67 km/h) |
| 50 mph (80.47 km/h) | 51.55 mph (82.97 km/h) |
| 55 mph (88.51 km/h) | 56.71 mph (91.26 km/h) |
| 60 mph (96.56 km/h) | 61.86 mph (99.56 km/h) |
| 65 mph (104.61 km/h) | 67.02 mph (107.86 km/h) |
| 70 mph (112.65 km/h) | 72.17 mph (116.15 km/h) |
| 75 mph (120.7 km/h) | 77.33 mph (124.45 km/h) |
| 80 mph (128.75 km/h) | 82.48 mph (132.74 km/h) |
| 85 mph (136.79 km/h) | 87.64 mph (141.04 km/h) |
| 90 mph (144.84 km/h) | 92.79 mph (149.34 km/h) |
| 95 mph (152.89 km/h) | 97.95 mph (157.63 km/h) |
| 100 mph (160.93 km/h) | 103.1 mph (165.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1878 | 2182 | 2350 | 2454 | 2565 | 2645 | 2733 | 2837 | 2981 | 3125 | 3285 | 3413 | 3644 | 3900 | 4100 | 4228 | 4300 | 4564 | 4931 | 5730 |
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