Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/85-18 | 245/50-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.37 (720.7) | 28.65 (727.6) | 0.27 (6.9) 1% |
| Width inches (mm) | 6.1 (155) | 9.65 (245) | 3.54 (90) 58.1% |
| Circum. inches (mm) | 89.14 (2264.15) | 89.99 (2285.82) | 0.85 (21.68) 1% |
| Sidewall Height inches (mm) | 5.19 (131.75) | 4.82 (122.5) | -0.36 (-9.25) -7% |
| Revolutions per mile (km) | 710.8 (441.67) | 704.05 (437.48) | -6.74 (-4.19) -0.9% |
245/50-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.19 mph (32.5 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.62 km/h) |
| 30 mph (48.28 km/h) | 30.29 mph (48.74 km/h) |
| 35 mph (56.33 km/h) | 35.34 mph (56.87 km/h) |
| 40 mph (64.37 km/h) | 40.38 mph (64.99 km/h) |
| 45 mph (72.42 km/h) | 45.43 mph (73.11 km/h) |
| 50 mph (80.47 km/h) | 50.48 mph (81.24 km/h) |
| 55 mph (88.51 km/h) | 55.53 mph (89.36 km/h) |
| 60 mph (96.56 km/h) | 60.57 mph (97.49 km/h) |
| 65 mph (104.61 km/h) | 65.62 mph (105.61 km/h) |
| 70 mph (112.65 km/h) | 70.67 mph (113.73 km/h) |
| 75 mph (120.7 km/h) | 75.72 mph (121.86 km/h) |
| 80 mph (128.75 km/h) | 80.77 mph (129.98 km/h) |
| 85 mph (136.79 km/h) | 85.81 mph (138.1 km/h) |
| 90 mph (144.84 km/h) | 90.86 mph (146.23 km/h) |
| 95 mph (152.89 km/h) | 95.91 mph (154.35 km/h) |
| 100 mph (160.93 km/h) | 100.96 mph (162.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1792 | 2081 | 2242 | 2341 | 2447 | 2524 | 2607 | 2707 | 2844 | 2981 | 3134 | 3256 | 3477 | 3721 | 3911 | 4033 | 4102 | 4353 | 4704 | 5467 |
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