Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/85-16 | 165/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.37 (618.9) | 27.69 (703.4) | 3.33 (84.5) 13.7% |
| Width inches (mm) | 4.92 (125) | 6.5 (165) | 1.57 (40) 32% |
| Circum. inches (mm) | 76.55 (1944.33) | 87 (2209.8) | 10.45 (265.46) 13.7% |
| Sidewall Height inches (mm) | 4.18 (106.25) | 5.85 (148.5) | 1.66 (42.25) 39.8% |
| Revolutions per mile (km) | 827.71 (514.31) | 728.28 (452.53) | -99.43 (-61.79) -12% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.73 mph (36.58 km/h) |
| 25 mph (40.23 km/h) | 28.41 mph (45.73 km/h) |
| 30 mph (48.28 km/h) | 34.1 mph (54.87 km/h) |
| 35 mph (56.33 km/h) | 39.78 mph (64.02 km/h) |
| 40 mph (64.37 km/h) | 45.46 mph (73.16 km/h) |
| 45 mph (72.42 km/h) | 51.14 mph (82.31 km/h) |
| 50 mph (80.47 km/h) | 56.83 mph (91.45 km/h) |
| 55 mph (88.51 km/h) | 62.51 mph (100.6 km/h) |
| 60 mph (96.56 km/h) | 68.19 mph (109.74 km/h) |
| 65 mph (104.61 km/h) | 73.87 mph (118.89 km/h) |
| 70 mph (112.65 km/h) | 79.56 mph (128.04 km/h) |
| 75 mph (120.7 km/h) | 85.24 mph (137.18 km/h) |
| 80 mph (128.75 km/h) | 90.92 mph (146.33 km/h) |
| 85 mph (136.79 km/h) | 96.61 mph (155.47 km/h) |
| 90 mph (144.84 km/h) | 102.29 mph (164.62 km/h) |
| 95 mph (152.89 km/h) | 107.97 mph (173.76 km/h) |
| 100 mph (160.93 km/h) | 113.65 mph (182.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1853 | 2153 | 2319 | 2421 | 2532 | 2610 | 2697 | 2800 | 2942 | 3084 | 3241 | 3368 | 3596 | 3849 | 4046 | 4172 | 4243 | 4503 | 4866 | 5655 |
Better Fuel Economy Factory Ratios Increased Power
