Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-15 | 36.5/10-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.47 (901) | 36.6 (929.64) | 1.13 (28.64) 3.2% |
| Width inches (mm) | 12.8 (325) | 10 (254) | -2.8 (-71) -21.8% |
| Circum. inches (mm) | 111.44 (2830.57) | 114.98 (2920.55) | 3.54 (89.98) 3.2% |
| Sidewall Height inches (mm) | 10.24 (260) | 10.8 (274.32) | 0.56 (14.32) 5.5% |
| Revolutions per mile (km) | 568.56 (353.28) | 551.04 (342.4) | -17.52 (-10.88) -3.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.64 mph (33.21 km/h) |
| 25 mph (40.23 km/h) | 25.79 mph (41.51 km/h) |
| 30 mph (48.28 km/h) | 30.95 mph (49.82 km/h) |
| 35 mph (56.33 km/h) | 36.11 mph (58.12 km/h) |
| 40 mph (64.37 km/h) | 41.27 mph (66.42 km/h) |
| 45 mph (72.42 km/h) | 46.43 mph (74.72 km/h) |
| 50 mph (80.47 km/h) | 51.59 mph (83.03 km/h) |
| 55 mph (88.51 km/h) | 56.75 mph (91.33 km/h) |
| 60 mph (96.56 km/h) | 61.91 mph (99.63 km/h) |
| 65 mph (104.61 km/h) | 67.07 mph (107.93 km/h) |
| 70 mph (112.65 km/h) | 72.23 mph (116.24 km/h) |
| 75 mph (120.7 km/h) | 77.38 mph (124.54 km/h) |
| 80 mph (128.75 km/h) | 82.54 mph (132.84 km/h) |
| 85 mph (136.79 km/h) | 87.7 mph (141.14 km/h) |
| 90 mph (144.84 km/h) | 92.86 mph (149.45 km/h) |
| 95 mph (152.89 km/h) | 98.02 mph (157.75 km/h) |
| 100 mph (160.93 km/h) | 103.18 mph (166.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1402 | 1629 | 1754 | 1832 | 1915 | 1975 | 2041 | 2118 | 2226 | 2333 | 2453 | 2548 | 2721 | 2912 | 3061 | 3157 | 3210 | 3407 | 3682 | 4278 |
Better Fuel Economy Factory Ratios Increased Power
