Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/50-17 | 245/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.04 (686.8) | 26.65 (676.8) | -0.39 (-10) -1.5% |
| Width inches (mm) | 10.04 (255) | 9.65 (245) | -0.39 (-10) -3.9% |
| Circum. inches (mm) | 84.95 (2157.65) | 83.71 (2126.23) | -1.24 (-31.42) -1.5% |
| Sidewall Height inches (mm) | 5.02 (127.5) | 4.82 (122.5) | -0.2 (-5) -3.9% |
| Revolutions per mile (km) | 745.88 (463.47) | 756.9 (470.32) | 11.02 (6.85) 1.5% |
245/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.71 mph (31.72 km/h) |
| 25 mph (40.23 km/h) | 24.64 mph (39.65 km/h) |
| 30 mph (48.28 km/h) | 29.56 mph (47.58 km/h) |
| 35 mph (56.33 km/h) | 34.49 mph (55.51 km/h) |
| 40 mph (64.37 km/h) | 39.42 mph (63.44 km/h) |
| 45 mph (72.42 km/h) | 44.34 mph (71.37 km/h) |
| 50 mph (80.47 km/h) | 49.27 mph (79.3 km/h) |
| 55 mph (88.51 km/h) | 54.2 mph (87.23 km/h) |
| 60 mph (96.56 km/h) | 59.13 mph (95.15 km/h) |
| 65 mph (104.61 km/h) | 64.05 mph (103.08 km/h) |
| 70 mph (112.65 km/h) | 68.98 mph (111.01 km/h) |
| 75 mph (120.7 km/h) | 73.91 mph (118.94 km/h) |
| 80 mph (128.75 km/h) | 78.84 mph (126.87 km/h) |
| 85 mph (136.79 km/h) | 83.76 mph (134.8 km/h) |
| 90 mph (144.84 km/h) | 88.69 mph (142.73 km/h) |
| 95 mph (152.89 km/h) | 93.62 mph (150.66 km/h) |
| 100 mph (160.93 km/h) | 98.54 mph (158.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1926 | 2238 | 2410 | 2516 | 2631 | 2713 | 2803 | 2910 | 3057 | 3205 | 3369 | 3500 | 3738 | 4000 | 4205 | 4336 | 4410 | 4680 | 5057 | 5877 |
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