Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 155/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 23.76 (603.6) | 0.63 (16) 2.7% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 72.68 (1846) | 74.66 (1896.27) | 1.98 (50.27) 2.7% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.88 (124) | 0.31 (8) 6.9% |
| Revolutions per mile (km) | 871.8 (541.71) | 848.69 (527.35) | -23.11 (-14.36) -2.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.54 mph (33.06 km/h) |
| 25 mph (40.23 km/h) | 25.68 mph (41.33 km/h) |
| 30 mph (48.28 km/h) | 30.82 mph (49.6 km/h) |
| 35 mph (56.33 km/h) | 35.95 mph (57.86 km/h) |
| 40 mph (64.37 km/h) | 41.09 mph (66.13 km/h) |
| 45 mph (72.42 km/h) | 46.23 mph (74.39 km/h) |
| 50 mph (80.47 km/h) | 51.36 mph (82.66 km/h) |
| 55 mph (88.51 km/h) | 56.5 mph (90.92 km/h) |
| 60 mph (96.56 km/h) | 61.63 mph (99.19 km/h) |
| 65 mph (104.61 km/h) | 66.77 mph (107.46 km/h) |
| 70 mph (112.65 km/h) | 71.91 mph (115.72 km/h) |
| 75 mph (120.7 km/h) | 77.04 mph (123.99 km/h) |
| 80 mph (128.75 km/h) | 82.18 mph (132.25 km/h) |
| 85 mph (136.79 km/h) | 87.31 mph (140.52 km/h) |
| 90 mph (144.84 km/h) | 92.45 mph (148.79 km/h) |
| 95 mph (152.89 km/h) | 97.59 mph (157.05 km/h) |
| 100 mph (160.93 km/h) | 102.72 mph (165.32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2160 | 2509 | 2702 | 2821 | 2950 | 3042 | 3143 | 3263 | 3428 | 3593 | 3777 | 3924 | 4191 | 4485 | 4715 | 4862 | 4944 | 5248 | 5671 | 6590 |
Better Fuel Economy Factory Ratios Increased Power
