Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-19 | 225/40-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.76 (730.6) | 26.09 (662.6) | -2.68 (-68) -9.3% |
| Width inches (mm) | 6.1 (155) | 8.86 (225) | 2.76 (70) 45.2% |
| Circum. inches (mm) | 90.36 (2295.25) | 81.95 (2081.62) | -8.41 (-213.63) -9.3% |
| Sidewall Height inches (mm) | 4.88 (124) | 3.54 (90) | -1.34 (-34) -27.4% |
| Revolutions per mile (km) | 701.16 (435.68) | 773.12 (480.39) | 71.96 (44.71) 10.3% |
225/40-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.14 mph (29.19 km/h) |
| 25 mph (40.23 km/h) | 22.67 mph (36.49 km/h) |
| 30 mph (48.28 km/h) | 27.21 mph (43.79 km/h) |
| 35 mph (56.33 km/h) | 31.74 mph (51.08 km/h) |
| 40 mph (64.37 km/h) | 36.28 mph (58.38 km/h) |
| 45 mph (72.42 km/h) | 40.81 mph (65.68 km/h) |
| 50 mph (80.47 km/h) | 45.35 mph (72.98 km/h) |
| 55 mph (88.51 km/h) | 49.88 mph (80.28 km/h) |
| 60 mph (96.56 km/h) | 54.42 mph (87.57 km/h) |
| 65 mph (104.61 km/h) | 58.95 mph (94.87 km/h) |
| 70 mph (112.65 km/h) | 63.48 mph (102.17 km/h) |
| 75 mph (120.7 km/h) | 68.02 mph (109.47 km/h) |
| 80 mph (128.75 km/h) | 72.55 mph (116.76 km/h) |
| 85 mph (136.79 km/h) | 77.09 mph (124.06 km/h) |
| 90 mph (144.84 km/h) | 81.62 mph (131.36 km/h) |
| 95 mph (152.89 km/h) | 86.16 mph (138.66 km/h) |
| 100 mph (160.93 km/h) | 90.69 mph (145.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1967 | 2286 | 2461 | 2570 | 2687 | 2771 | 2863 | 2972 | 3123 | 3273 | 3441 | 3575 | 3818 | 4086 | 4295 | 4429 | 4504 | 4780 | 5166 | 6003 |
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