Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 36/12.5-16.5 | 325/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.03 (915.18) | 37.75 (958.9) | 1.72 (43.72) 4.8% |
| Width inches (mm) | 12.52 (318) | 12.8 (325) | 0.28 (7) 2.2% |
| Circum. inches (mm) | 113.19 (2875.12) | 118.6 (3012.47) | 5.41 (137.35) 4.8% |
| Sidewall Height inches (mm) | 9.77 (248.04) | 10.88 (276.25) | 1.11 (28.21) 11.4% |
| Revolutions per mile (km) | 559.75 (347.81) | 534.23 (331.95) | -25.52 (-15.86) -4.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.96 mph (33.72 km/h) |
| 25 mph (40.23 km/h) | 26.19 mph (42.16 km/h) |
| 30 mph (48.28 km/h) | 31.43 mph (50.59 km/h) |
| 35 mph (56.33 km/h) | 36.67 mph (59.02 km/h) |
| 40 mph (64.37 km/h) | 41.91 mph (67.45 km/h) |
| 45 mph (72.42 km/h) | 47.15 mph (75.88 km/h) |
| 50 mph (80.47 km/h) | 52.39 mph (84.31 km/h) |
| 55 mph (88.51 km/h) | 57.63 mph (92.74 km/h) |
| 60 mph (96.56 km/h) | 62.87 mph (101.17 km/h) |
| 65 mph (104.61 km/h) | 68.11 mph (109.6 km/h) |
| 70 mph (112.65 km/h) | 73.34 mph (118.04 km/h) |
| 75 mph (120.7 km/h) | 78.58 mph (126.47 km/h) |
| 80 mph (128.75 km/h) | 83.82 mph (134.9 km/h) |
| 85 mph (136.79 km/h) | 89.06 mph (143.33 km/h) |
| 90 mph (144.84 km/h) | 94.3 mph (151.76 km/h) |
| 95 mph (152.89 km/h) | 99.54 mph (160.19 km/h) |
| 100 mph (160.93 km/h) | 104.78 mph (168.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1360 | 1579 | 1701 | 1776 | 1857 | 1915 | 1979 | 2054 | 2158 | 2262 | 2378 | 2470 | 2638 | 2823 | 2968 | 3060 | 3112 | 3303 | 3569 | 4148 |
Better Fuel Economy Factory Ratios Increased Power
