Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-18 | 245/50-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.69 (754.2) | 28.65 (727.6) | -1.05 (-26.6) -3.5% |
| Width inches (mm) | 6.5 (165) | 9.65 (245) | 3.15 (80) 48.5% |
| Circum. inches (mm) | 93.28 (2369.39) | 89.99 (2285.82) | -3.29 (-83.57) -3.5% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 4.82 (122.5) | -1.02 (-26) -17.5% |
| Revolutions per mile (km) | 679.22 (422.05) | 704.05 (437.48) | 24.83 (15.43) 3.7% |
245/50-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.29 mph (31.05 km/h) |
| 25 mph (40.23 km/h) | 24.12 mph (38.81 km/h) |
| 30 mph (48.28 km/h) | 28.94 mph (46.58 km/h) |
| 35 mph (56.33 km/h) | 33.77 mph (54.34 km/h) |
| 40 mph (64.37 km/h) | 38.59 mph (62.1 km/h) |
| 45 mph (72.42 km/h) | 43.41 mph (69.87 km/h) |
| 50 mph (80.47 km/h) | 48.24 mph (77.63 km/h) |
| 55 mph (88.51 km/h) | 53.06 mph (85.39 km/h) |
| 60 mph (96.56 km/h) | 57.88 mph (93.16 km/h) |
| 65 mph (104.61 km/h) | 62.71 mph (100.92 km/h) |
| 70 mph (112.65 km/h) | 67.53 mph (108.68 km/h) |
| 75 mph (120.7 km/h) | 72.35 mph (116.44 km/h) |
| 80 mph (128.75 km/h) | 77.18 mph (124.21 km/h) |
| 85 mph (136.79 km/h) | 82 mph (131.97 km/h) |
| 90 mph (144.84 km/h) | 86.83 mph (139.73 km/h) |
| 95 mph (152.89 km/h) | 91.65 mph (147.5 km/h) |
| 100 mph (160.93 km/h) | 96.47 mph (155.26 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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