Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-18 | 245/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.69 (754.2) | 27.68 (703.1) | -2.01 (-51.1) -6.8% |
| Width inches (mm) | 6.5 (165) | 9.65 (245) | 3.15 (80) 48.5% |
| Circum. inches (mm) | 93.28 (2369.39) | 86.96 (2208.85) | -6.32 (-160.54) -6.8% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 4.34 (110.25) | -1.51 (-38.25) -25.8% |
| Revolutions per mile (km) | 679.22 (422.05) | 728.59 (452.72) | 49.36 (30.67) 7.3% |
245/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.64 mph (30.01 km/h) |
| 25 mph (40.23 km/h) | 23.31 mph (37.51 km/h) |
| 30 mph (48.28 km/h) | 27.97 mph (45.01 km/h) |
| 35 mph (56.33 km/h) | 32.63 mph (52.51 km/h) |
| 40 mph (64.37 km/h) | 37.29 mph (60.01 km/h) |
| 45 mph (72.42 km/h) | 41.95 mph (67.51 km/h) |
| 50 mph (80.47 km/h) | 46.61 mph (75.02 km/h) |
| 55 mph (88.51 km/h) | 51.27 mph (82.52 km/h) |
| 60 mph (96.56 km/h) | 55.93 mph (90.02 km/h) |
| 65 mph (104.61 km/h) | 60.6 mph (97.52 km/h) |
| 70 mph (112.65 km/h) | 65.26 mph (105.02 km/h) |
| 75 mph (120.7 km/h) | 69.92 mph (112.52 km/h) |
| 80 mph (128.75 km/h) | 74.58 mph (120.02 km/h) |
| 85 mph (136.79 km/h) | 79.24 mph (127.53 km/h) |
| 90 mph (144.84 km/h) | 83.9 mph (135.03 km/h) |
| 95 mph (152.89 km/h) | 88.56 mph (142.53 km/h) |
| 100 mph (160.93 km/h) | 93.22 mph (150.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1854 | 2154 | 2320 | 2422 | 2533 | 2612 | 2698 | 2801 | 2943 | 3085 | 3243 | 3369 | 3598 | 3850 | 4047 | 4174 | 4245 | 4505 | 4868 | 5657 |
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