Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-18 | 225/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.69 (754.2) | 28.74 (730.1) | -0.95 (-24.1) -3.2% |
| Width inches (mm) | 6.5 (165) | 8.86 (225) | 2.36 (60) 36.4% |
| Circum. inches (mm) | 93.28 (2369.39) | 90.3 (2293.68) | -2.98 (-75.71) -3.2% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 4.87 (123.75) | -0.97 (-24.75) -16.7% |
| Revolutions per mile (km) | 679.22 (422.05) | 701.64 (435.98) | 22.42 (13.93) 3.3% |
225/55-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.36 mph (31.16 km/h) |
| 25 mph (40.23 km/h) | 24.2 mph (38.95 km/h) |
| 30 mph (48.28 km/h) | 29.04 mph (46.74 km/h) |
| 35 mph (56.33 km/h) | 33.88 mph (54.53 km/h) |
| 40 mph (64.37 km/h) | 38.72 mph (62.32 km/h) |
| 45 mph (72.42 km/h) | 43.56 mph (70.11 km/h) |
| 50 mph (80.47 km/h) | 48.4 mph (77.9 km/h) |
| 55 mph (88.51 km/h) | 53.24 mph (85.69 km/h) |
| 60 mph (96.56 km/h) | 58.08 mph (93.48 km/h) |
| 65 mph (104.61 km/h) | 62.92 mph (101.26 km/h) |
| 70 mph (112.65 km/h) | 67.76 mph (109.05 km/h) |
| 75 mph (120.7 km/h) | 72.6 mph (116.84 km/h) |
| 80 mph (128.75 km/h) | 77.44 mph (124.63 km/h) |
| 85 mph (136.79 km/h) | 82.28 mph (132.42 km/h) |
| 90 mph (144.84 km/h) | 87.12 mph (140.21 km/h) |
| 95 mph (152.89 km/h) | 91.96 mph (148 km/h) |
| 100 mph (160.93 km/h) | 96.8 mph (155.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1786 | 2074 | 2234 | 2333 | 2439 | 2515 | 2599 | 2697 | 2834 | 2971 | 3123 | 3244 | 3465 | 3708 | 3898 | 4019 | 4088 | 4339 | 4688 | 5448 |
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