Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/50-14 | 255/45-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.07 (560.6) | 23.04 (585.1) | 0.96 (24.5) 4.4% |
| Width inches (mm) | 8.07 (205) | 10.04 (255) | 1.97 (50) 24.4% |
| Circum. inches (mm) | 69.34 (1761.18) | 72.37 (1838.15) | 3.03 (76.97) 4.4% |
| Sidewall Height inches (mm) | 4.04 (102.5) | 4.52 (114.75) | 0.48 (12.25) 12% |
| Revolutions per mile (km) | 913.79 (567.8) | 875.53 (544.03) | -38.26 (-23.78) -4.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.87 mph (33.59 km/h) |
| 25 mph (40.23 km/h) | 26.09 mph (41.99 km/h) |
| 30 mph (48.28 km/h) | 31.31 mph (50.39 km/h) |
| 35 mph (56.33 km/h) | 36.53 mph (58.79 km/h) |
| 40 mph (64.37 km/h) | 41.75 mph (67.19 km/h) |
| 45 mph (72.42 km/h) | 46.97 mph (75.59 km/h) |
| 50 mph (80.47 km/h) | 52.19 mph (83.98 km/h) |
| 55 mph (88.51 km/h) | 57.4 mph (92.38 km/h) |
| 60 mph (96.56 km/h) | 62.62 mph (100.78 km/h) |
| 65 mph (104.61 km/h) | 67.84 mph (109.18 km/h) |
| 70 mph (112.65 km/h) | 73.06 mph (117.58 km/h) |
| 75 mph (120.7 km/h) | 78.28 mph (125.98 km/h) |
| 80 mph (128.75 km/h) | 83.5 mph (134.37 km/h) |
| 85 mph (136.79 km/h) | 88.71 mph (142.77 km/h) |
| 90 mph (144.84 km/h) | 93.93 mph (151.17 km/h) |
| 95 mph (152.89 km/h) | 99.15 mph (159.57 km/h) |
| 100 mph (160.93 km/h) | 104.37 mph (167.97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2228 | 2588 | 2787 | 2911 | 3043 | 3138 | 3243 | 3366 | 3536 | 3707 | 3897 | 4048 | 4323 | 4627 | 4864 | 5015 | 5101 | 5414 | 5850 | 6798 |
Better Fuel Economy Factory Ratios Increased Power
