Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-15 | 165/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.87 (581) | 23.44 (595.5) | 0.57 (14.5) 2.5% |
| Width inches (mm) | 4.92 (125) | 6.5 (165) | 1.57 (40) 32% |
| Circum. inches (mm) | 71.86 (1825.27) | 73.65 (1870.82) | 1.79 (45.55) 2.5% |
| Sidewall Height inches (mm) | 3.94 (100) | 4.22 (107.25) | 0.29 (7.25) 7.3% |
| Revolutions per mile (km) | 881.7 (547.86) | 860.24 (534.52) | -21.47 (-13.34) -2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.5 mph (32.99 km/h) |
| 25 mph (40.23 km/h) | 25.62 mph (41.24 km/h) |
| 30 mph (48.28 km/h) | 30.75 mph (49.49 km/h) |
| 35 mph (56.33 km/h) | 35.87 mph (57.73 km/h) |
| 40 mph (64.37 km/h) | 41 mph (65.98 km/h) |
| 45 mph (72.42 km/h) | 46.12 mph (74.23 km/h) |
| 50 mph (80.47 km/h) | 51.25 mph (82.48 km/h) |
| 55 mph (88.51 km/h) | 56.37 mph (90.72 km/h) |
| 60 mph (96.56 km/h) | 61.5 mph (98.97 km/h) |
| 65 mph (104.61 km/h) | 66.62 mph (107.22 km/h) |
| 70 mph (112.65 km/h) | 71.75 mph (115.47 km/h) |
| 75 mph (120.7 km/h) | 76.87 mph (123.71 km/h) |
| 80 mph (128.75 km/h) | 82 mph (131.96 km/h) |
| 85 mph (136.79 km/h) | 87.12 mph (140.21 km/h) |
| 90 mph (144.84 km/h) | 92.25 mph (148.46 km/h) |
| 95 mph (152.89 km/h) | 97.37 mph (156.7 km/h) |
| 100 mph (160.93 km/h) | 102.5 mph (164.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2189 | 2543 | 2739 | 2860 | 2990 | 3083 | 3186 | 3307 | 3475 | 3642 | 3829 | 3978 | 4248 | 4546 | 4779 | 4928 | 5012 | 5319 | 5748 | 6679 |
Better Fuel Economy Factory Ratios Increased Power
