Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/30-21 | 245/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.97 (710.4) | 27.68 (703.1) | -0.29 (-7.3) -1% |
| Width inches (mm) | 11.61 (295) | 9.65 (245) | -1.97 (-50) -16.9% |
| Circum. inches (mm) | 87.87 (2231.79) | 86.96 (2208.85) | -0.9 (-22.93) -1% |
| Sidewall Height inches (mm) | 3.48 (88.5) | 4.34 (110.25) | 0.86 (21.75) 24.6% |
| Revolutions per mile (km) | 721.1 (448.07) | 728.59 (452.72) | 7.49 (4.65) 1% |
245/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.79 mph (31.86 km/h) |
| 25 mph (40.23 km/h) | 24.74 mph (39.82 km/h) |
| 30 mph (48.28 km/h) | 29.69 mph (47.78 km/h) |
| 35 mph (56.33 km/h) | 34.64 mph (55.75 km/h) |
| 40 mph (64.37 km/h) | 39.59 mph (63.71 km/h) |
| 45 mph (72.42 km/h) | 44.54 mph (71.68 km/h) |
| 50 mph (80.47 km/h) | 49.49 mph (79.64 km/h) |
| 55 mph (88.51 km/h) | 54.43 mph (87.6 km/h) |
| 60 mph (96.56 km/h) | 59.38 mph (95.57 km/h) |
| 65 mph (104.61 km/h) | 64.33 mph (103.53 km/h) |
| 70 mph (112.65 km/h) | 69.28 mph (111.5 km/h) |
| 75 mph (120.7 km/h) | 74.23 mph (119.46 km/h) |
| 80 mph (128.75 km/h) | 79.18 mph (127.42 km/h) |
| 85 mph (136.79 km/h) | 84.13 mph (135.39 km/h) |
| 90 mph (144.84 km/h) | 89.08 mph (143.35 km/h) |
| 95 mph (152.89 km/h) | 94.02 mph (151.32 km/h) |
| 100 mph (160.93 km/h) | 98.97 mph (159.28 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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