Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/90-18 | 245/50-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.98 (736.2) | 28.65 (727.6) | -0.34 (-8.6) -1.2% |
| Width inches (mm) | 6.1 (155) | 9.65 (245) | 3.54 (90) 58.1% |
| Circum. inches (mm) | 91.06 (2312.84) | 89.99 (2285.82) | -1.06 (-27.02) -1.2% |
| Sidewall Height inches (mm) | 5.49 (139.5) | 4.82 (122.5) | -0.67 (-17) -12.2% |
| Revolutions per mile (km) | 695.83 (432.37) | 704.05 (437.48) | 8.22 (5.11) 1.2% |
245/50-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.77 mph (31.81 km/h) |
| 25 mph (40.23 km/h) | 24.71 mph (39.76 km/h) |
| 30 mph (48.28 km/h) | 29.65 mph (47.72 km/h) |
| 35 mph (56.33 km/h) | 34.59 mph (55.67 km/h) |
| 40 mph (64.37 km/h) | 39.53 mph (63.62 km/h) |
| 45 mph (72.42 km/h) | 44.47 mph (71.57 km/h) |
| 50 mph (80.47 km/h) | 49.42 mph (79.53 km/h) |
| 55 mph (88.51 km/h) | 54.36 mph (87.48 km/h) |
| 60 mph (96.56 km/h) | 59.3 mph (95.43 km/h) |
| 65 mph (104.61 km/h) | 64.24 mph (103.39 km/h) |
| 70 mph (112.65 km/h) | 69.18 mph (111.34 km/h) |
| 75 mph (120.7 km/h) | 74.12 mph (119.29 km/h) |
| 80 mph (128.75 km/h) | 79.07 mph (127.24 km/h) |
| 85 mph (136.79 km/h) | 84.01 mph (135.2 km/h) |
| 90 mph (144.84 km/h) | 88.95 mph (143.15 km/h) |
| 95 mph (152.89 km/h) | 93.89 mph (151.1 km/h) |
| 100 mph (160.93 km/h) | 98.83 mph (159.05 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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