Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-16 | 365/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.47 (926.4) | 37.56 (953.9) | 1.08 (27.5) 3% |
| Width inches (mm) | 12.8 (325) | 14.37 (365) | 1.57 (40) 12.3% |
| Circum. inches (mm) | 114.58 (2910.37) | 117.98 (2996.77) | 3.4 (86.39) 3% |
| Sidewall Height inches (mm) | 10.24 (260) | 10.78 (273.75) | 0.54 (13.75) 5.3% |
| Revolutions per mile (km) | 552.97 (343.6) | 537.03 (333.69) | -15.94 (-9.91) -2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.59 mph (33.14 km/h) |
| 25 mph (40.23 km/h) | 25.74 mph (41.43 km/h) |
| 30 mph (48.28 km/h) | 30.89 mph (49.71 km/h) |
| 35 mph (56.33 km/h) | 36.04 mph (58 km/h) |
| 40 mph (64.37 km/h) | 41.19 mph (66.28 km/h) |
| 45 mph (72.42 km/h) | 46.34 mph (74.57 km/h) |
| 50 mph (80.47 km/h) | 51.48 mph (82.86 km/h) |
| 55 mph (88.51 km/h) | 56.63 mph (91.14 km/h) |
| 60 mph (96.56 km/h) | 61.78 mph (99.43 km/h) |
| 65 mph (104.61 km/h) | 66.93 mph (107.71 km/h) |
| 70 mph (112.65 km/h) | 72.08 mph (116 km/h) |
| 75 mph (120.7 km/h) | 77.23 mph (124.28 km/h) |
| 80 mph (128.75 km/h) | 82.37 mph (132.57 km/h) |
| 85 mph (136.79 km/h) | 87.52 mph (140.86 km/h) |
| 90 mph (144.84 km/h) | 92.67 mph (149.14 km/h) |
| 95 mph (152.89 km/h) | 97.82 mph (157.43 km/h) |
| 100 mph (160.93 km/h) | 102.97 mph (165.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1367 | 1588 | 1710 | 1785 | 1867 | 1925 | 1989 | 2064 | 2169 | 2274 | 2390 | 2483 | 2652 | 2838 | 2983 | 3076 | 3129 | 3321 | 3588 | 4170 |
Better Fuel Economy Factory Ratios Increased Power
