Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-14 | 155/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.76 (603.6) | 21.54 (547.2) | -2.22 (-56.4) -9.3% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 74.66 (1896.27) | 67.68 (1719.08) | -6.98 (-177.19) -9.3% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.27 (108.5) | -0.61 (-15.5) -12.5% |
| Revolutions per mile (km) | 848.69 (527.35) | 936.17 (581.71) | 87.47 (54.35) 10.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.13 mph (29.18 km/h) |
| 25 mph (40.23 km/h) | 22.66 mph (36.47 km/h) |
| 30 mph (48.28 km/h) | 27.2 mph (43.77 km/h) |
| 35 mph (56.33 km/h) | 31.73 mph (51.06 km/h) |
| 40 mph (64.37 km/h) | 36.26 mph (58.36 km/h) |
| 45 mph (72.42 km/h) | 40.8 mph (65.65 km/h) |
| 50 mph (80.47 km/h) | 45.33 mph (72.95 km/h) |
| 55 mph (88.51 km/h) | 49.86 mph (80.24 km/h) |
| 60 mph (96.56 km/h) | 54.39 mph (87.54 km/h) |
| 65 mph (104.61 km/h) | 58.93 mph (94.83 km/h) |
| 70 mph (112.65 km/h) | 63.46 mph (102.13 km/h) |
| 75 mph (120.7 km/h) | 67.99 mph (109.42 km/h) |
| 80 mph (128.75 km/h) | 72.52 mph (116.72 km/h) |
| 85 mph (136.79 km/h) | 77.06 mph (124.01 km/h) |
| 90 mph (144.84 km/h) | 81.59 mph (131.31 km/h) |
| 95 mph (152.89 km/h) | 86.12 mph (138.6 km/h) |
| 100 mph (160.93 km/h) | 90.66 mph (145.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
