Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 165/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 23.39 (594.2) | 0.26 (6.6) 1.1% |
| Width inches (mm) | 5.71 (145) | 6.5 (165) | 0.79 (20) 13.8% |
| Circum. inches (mm) | 72.68 (1846) | 73.49 (1866.73) | 0.82 (20.73) 1.1% |
| Sidewall Height inches (mm) | 4.57 (116) | 5.2 (132) | 0.63 (16) 13.8% |
| Revolutions per mile (km) | 871.8 (541.71) | 862.12 (535.69) | -9.68 (-6.02) -1.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.22 mph (32.55 km/h) |
| 25 mph (40.23 km/h) | 25.28 mph (40.69 km/h) |
| 30 mph (48.28 km/h) | 30.34 mph (48.82 km/h) |
| 35 mph (56.33 km/h) | 35.39 mph (56.96 km/h) |
| 40 mph (64.37 km/h) | 40.45 mph (65.1 km/h) |
| 45 mph (72.42 km/h) | 45.51 mph (73.23 km/h) |
| 50 mph (80.47 km/h) | 50.56 mph (81.37 km/h) |
| 55 mph (88.51 km/h) | 55.62 mph (89.51 km/h) |
| 60 mph (96.56 km/h) | 60.67 mph (97.65 km/h) |
| 65 mph (104.61 km/h) | 65.73 mph (105.78 km/h) |
| 70 mph (112.65 km/h) | 70.79 mph (113.92 km/h) |
| 75 mph (120.7 km/h) | 75.84 mph (122.06 km/h) |
| 80 mph (128.75 km/h) | 80.9 mph (130.19 km/h) |
| 85 mph (136.79 km/h) | 85.95 mph (138.33 km/h) |
| 90 mph (144.84 km/h) | 91.01 mph (146.47 km/h) |
| 95 mph (152.89 km/h) | 96.07 mph (154.61 km/h) |
| 100 mph (160.93 km/h) | 101.12 mph (162.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2194 | 2549 | 2745 | 2866 | 2997 | 3090 | 3193 | 3314 | 3482 | 3650 | 3837 | 3986 | 4257 | 4556 | 4789 | 4939 | 5023 | 5331 | 5760 | 6694 |
Better Fuel Economy Factory Ratios Increased Power
