Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/45-20 | 235/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.04 (737.5) | 29.18 (741.1) | 0.14 (3.6) 0.5% |
| Width inches (mm) | 10.04 (255) | 9.25 (235) | -0.79 (-20) -7.8% |
| Circum. inches (mm) | 91.22 (2316.92) | 91.66 (2328.23) | 0.45 (11.31) 0.5% |
| Sidewall Height inches (mm) | 4.52 (114.75) | 5.09 (129.25) | 0.57 (14.5) 12.6% |
| Revolutions per mile (km) | 694.6 (431.61) | 691.23 (429.51) | -3.37 (-2.1) -0.5% |
235/55-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.1 mph (32.34 km/h) |
| 25 mph (40.23 km/h) | 25.12 mph (40.43 km/h) |
| 30 mph (48.28 km/h) | 30.15 mph (48.52 km/h) |
| 35 mph (56.33 km/h) | 35.17 mph (56.6 km/h) |
| 40 mph (64.37 km/h) | 40.2 mph (64.69 km/h) |
| 45 mph (72.42 km/h) | 45.22 mph (72.77 km/h) |
| 50 mph (80.47 km/h) | 50.24 mph (80.86 km/h) |
| 55 mph (88.51 km/h) | 55.27 mph (88.95 km/h) |
| 60 mph (96.56 km/h) | 60.29 mph (97.03 km/h) |
| 65 mph (104.61 km/h) | 65.32 mph (105.12 km/h) |
| 70 mph (112.65 km/h) | 70.34 mph (113.2 km/h) |
| 75 mph (120.7 km/h) | 75.37 mph (121.29 km/h) |
| 80 mph (128.75 km/h) | 80.39 mph (129.38 km/h) |
| 85 mph (136.79 km/h) | 85.41 mph (137.46 km/h) |
| 90 mph (144.84 km/h) | 90.44 mph (145.55 km/h) |
| 95 mph (152.89 km/h) | 95.46 mph (153.63 km/h) |
| 100 mph (160.93 km/h) | 100.49 mph (161.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1759 | 2043 | 2201 | 2298 | 2403 | 2478 | 2560 | 2657 | 2792 | 2927 | 3076 | 3196 | 3413 | 3653 | 3840 | 3960 | 4027 | 4274 | 4618 | 5367 |
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