Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 175/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 22.27 (565.6) | -0.87 (-22) -3.7% |
| Width inches (mm) | 5.71 (145) | 6.89 (175) | 1.18 (30) 20.7% |
| Circum. inches (mm) | 72.68 (1846) | 69.96 (1776.88) | -2.72 (-69.12) -3.7% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.13 (105) | -0.43 (-11) -9.5% |
| Revolutions per mile (km) | 871.8 (541.71) | 905.71 (562.78) | 33.91 (21.07) 3.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.25 mph (30.98 km/h) |
| 25 mph (40.23 km/h) | 24.06 mph (38.73 km/h) |
| 30 mph (48.28 km/h) | 28.88 mph (46.47 km/h) |
| 35 mph (56.33 km/h) | 33.69 mph (54.22 km/h) |
| 40 mph (64.37 km/h) | 38.5 mph (61.96 km/h) |
| 45 mph (72.42 km/h) | 43.32 mph (69.71 km/h) |
| 50 mph (80.47 km/h) | 48.13 mph (77.45 km/h) |
| 55 mph (88.51 km/h) | 52.94 mph (85.2 km/h) |
| 60 mph (96.56 km/h) | 57.75 mph (92.95 km/h) |
| 65 mph (104.61 km/h) | 62.57 mph (100.69 km/h) |
| 70 mph (112.65 km/h) | 67.38 mph (108.44 km/h) |
| 75 mph (120.7 km/h) | 72.19 mph (116.18 km/h) |
| 80 mph (128.75 km/h) | 77 mph (123.93 km/h) |
| 85 mph (136.79 km/h) | 81.82 mph (131.67 km/h) |
| 90 mph (144.84 km/h) | 86.63 mph (139.42 km/h) |
| 95 mph (152.89 km/h) | 91.44 mph (147.16 km/h) |
| 100 mph (160.93 km/h) | 96.26 mph (154.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2305 | 2678 | 2884 | 3011 | 3148 | 3246 | 3354 | 3482 | 3658 | 3835 | 4031 | 4188 | 4472 | 4786 | 5031 | 5188 | 5277 | 5600 | 6051 | 7032 |
Better Fuel Economy Factory Ratios Increased Power
