Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/45-19 | 255/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.33 (694.1) | 30.04 (763.1) | 2.72 (69) 9.9% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 85.85 (2180.58) | 94.38 (2397.35) | 8.53 (216.77) 9.9% |
| Sidewall Height inches (mm) | 4.16 (105.75) | 5.52 (140.25) | 1.36 (34.5) 32.6% |
| Revolutions per mile (km) | 738.04 (458.59) | 671.3 (417.13) | -66.73 (-41.47) -9% |
255/55-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.99 mph (35.39 km/h) |
| 25 mph (40.23 km/h) | 27.49 mph (44.23 km/h) |
| 30 mph (48.28 km/h) | 32.98 mph (53.08 km/h) |
| 35 mph (56.33 km/h) | 38.48 mph (61.93 km/h) |
| 40 mph (64.37 km/h) | 43.98 mph (70.77 km/h) |
| 45 mph (72.42 km/h) | 49.47 mph (79.62 km/h) |
| 50 mph (80.47 km/h) | 54.97 mph (88.47 km/h) |
| 55 mph (88.51 km/h) | 60.47 mph (97.31 km/h) |
| 60 mph (96.56 km/h) | 65.96 mph (106.16 km/h) |
| 65 mph (104.61 km/h) | 71.46 mph (115.01 km/h) |
| 70 mph (112.65 km/h) | 76.96 mph (123.85 km/h) |
| 75 mph (120.7 km/h) | 82.46 mph (132.7 km/h) |
| 80 mph (128.75 km/h) | 87.95 mph (141.55 km/h) |
| 85 mph (136.79 km/h) | 93.45 mph (150.39 km/h) |
| 90 mph (144.84 km/h) | 98.95 mph (159.24 km/h) |
| 95 mph (152.89 km/h) | 104.44 mph (168.09 km/h) |
| 100 mph (160.93 km/h) | 109.94 mph (176.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1708 | 1985 | 2137 | 2232 | 2334 | 2406 | 2486 | 2581 | 2712 | 2842 | 2988 | 3104 | 3315 | 3548 | 3729 | 3846 | 3911 | 4151 | 4485 | 5212 |
Better Fuel Economy Factory Ratios Increased Power
