Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/45-19 | 255/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.45 (748.1) | 28.04 (712.2) | -1.41 (-35.9) -4.8% |
| Width inches (mm) | 11.61 (295) | 10.04 (255) | -1.57 (-40) -13.6% |
| Circum. inches (mm) | 92.53 (2350.23) | 88.09 (2237.44) | -4.44 (-112.78) -4.8% |
| Sidewall Height inches (mm) | 5.23 (132.75) | 5.02 (127.5) | -0.21 (-5.25) -4% |
| Revolutions per mile (km) | 684.76 (425.49) | 719.28 (446.94) | 34.52 (21.45) 5% |
255/50-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.04 mph (30.64 km/h) |
| 25 mph (40.23 km/h) | 23.8 mph (38.3 km/h) |
| 30 mph (48.28 km/h) | 28.56 mph (45.96 km/h) |
| 35 mph (56.33 km/h) | 33.32 mph (53.62 km/h) |
| 40 mph (64.37 km/h) | 38.08 mph (61.28 km/h) |
| 45 mph (72.42 km/h) | 42.84 mph (68.95 km/h) |
| 50 mph (80.47 km/h) | 47.6 mph (76.61 km/h) |
| 55 mph (88.51 km/h) | 52.36 mph (84.27 km/h) |
| 60 mph (96.56 km/h) | 57.12 mph (91.93 km/h) |
| 65 mph (104.61 km/h) | 61.88 mph (99.59 km/h) |
| 70 mph (112.65 km/h) | 66.64 mph (107.25 km/h) |
| 75 mph (120.7 km/h) | 71.4 mph (114.91 km/h) |
| 80 mph (128.75 km/h) | 76.16 mph (122.57 km/h) |
| 85 mph (136.79 km/h) | 80.92 mph (130.23 km/h) |
| 90 mph (144.84 km/h) | 85.68 mph (137.89 km/h) |
| 95 mph (152.89 km/h) | 90.44 mph (145.55 km/h) |
| 100 mph (160.93 km/h) | 95.2 mph (153.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1830 | 2126 | 2290 | 2391 | 2500 | 2578 | 2664 | 2765 | 2905 | 3046 | 3201 | 3326 | 3552 | 3801 | 3996 | 4120 | 4191 | 4448 | 4806 | 5585 |
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