Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-15 | 155/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.87 (581) | 23.54 (598) | 0.67 (17) 2.9% |
| Width inches (mm) | 4.92 (125) | 6.1 (155) | 1.18 (30) 24% |
| Circum. inches (mm) | 71.86 (1825.27) | 73.96 (1878.67) | 2.1 (53.41) 2.9% |
| Sidewall Height inches (mm) | 3.94 (100) | 4.27 (108.5) | 0.33 (8.5) 8.5% |
| Revolutions per mile (km) | 881.7 (547.86) | 856.64 (532.29) | -25.07 (-15.57) -2.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.59 mph (33.13 km/h) |
| 25 mph (40.23 km/h) | 25.73 mph (41.41 km/h) |
| 30 mph (48.28 km/h) | 30.88 mph (49.69 km/h) |
| 35 mph (56.33 km/h) | 36.02 mph (57.98 km/h) |
| 40 mph (64.37 km/h) | 41.17 mph (66.26 km/h) |
| 45 mph (72.42 km/h) | 46.32 mph (74.54 km/h) |
| 50 mph (80.47 km/h) | 51.46 mph (82.82 km/h) |
| 55 mph (88.51 km/h) | 56.61 mph (91.1 km/h) |
| 60 mph (96.56 km/h) | 61.76 mph (99.39 km/h) |
| 65 mph (104.61 km/h) | 66.9 mph (107.67 km/h) |
| 70 mph (112.65 km/h) | 72.05 mph (115.95 km/h) |
| 75 mph (120.7 km/h) | 77.19 mph (124.23 km/h) |
| 80 mph (128.75 km/h) | 82.34 mph (132.51 km/h) |
| 85 mph (136.79 km/h) | 87.49 mph (140.8 km/h) |
| 90 mph (144.84 km/h) | 92.63 mph (149.08 km/h) |
| 95 mph (152.89 km/h) | 97.78 mph (157.36 km/h) |
| 100 mph (160.93 km/h) | 102.93 mph (165.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2180 | 2532 | 2727 | 2848 | 2978 | 3071 | 3173 | 3293 | 3460 | 3627 | 3813 | 3961 | 4230 | 4527 | 4759 | 4907 | 4991 | 5297 | 5724 | 6651 |
Better Fuel Economy Factory Ratios Increased Power
