Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/25-20 | 365/25-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.4 (670.5) | 27.19 (690.5) | 0.79 (20) 3% |
| Width inches (mm) | 12.8 (325) | 14.37 (365) | 1.57 (40) 12.3% |
| Circum. inches (mm) | 82.93 (2106.44) | 85.4 (2169.27) | 2.47 (62.83) 3% |
| Sidewall Height inches (mm) | 3.2 (81.25) | 3.59 (91.25) | 0.39 (10) 12.3% |
| Revolutions per mile (km) | 764.01 (474.73) | 741.88 (460.98) | -22.13 (-13.75) -2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.6 mph (33.15 km/h) |
| 25 mph (40.23 km/h) | 25.75 mph (41.43 km/h) |
| 30 mph (48.28 km/h) | 30.89 mph (49.72 km/h) |
| 35 mph (56.33 km/h) | 36.04 mph (58.01 km/h) |
| 40 mph (64.37 km/h) | 41.19 mph (66.29 km/h) |
| 45 mph (72.42 km/h) | 46.34 mph (74.58 km/h) |
| 50 mph (80.47 km/h) | 51.49 mph (82.87 km/h) |
| 55 mph (88.51 km/h) | 56.64 mph (91.15 km/h) |
| 60 mph (96.56 km/h) | 61.79 mph (99.44 km/h) |
| 65 mph (104.61 km/h) | 66.94 mph (107.73 km/h) |
| 70 mph (112.65 km/h) | 72.09 mph (116.01 km/h) |
| 75 mph (120.7 km/h) | 77.24 mph (124.3 km/h) |
| 80 mph (128.75 km/h) | 82.39 mph (132.59 km/h) |
| 85 mph (136.79 km/h) | 87.54 mph (140.87 km/h) |
| 90 mph (144.84 km/h) | 92.68 mph (149.16 km/h) |
| 95 mph (152.89 km/h) | 97.83 mph (157.45 km/h) |
| 100 mph (160.93 km/h) | 102.98 mph (165.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1888 | 2193 | 2362 | 2466 | 2579 | 2659 | 2748 | 2852 | 2997 | 3141 | 3302 | 3430 | 3663 | 3921 | 4121 | 4250 | 4322 | 4587 | 4957 | 5760 |
Better Fuel Economy Factory Ratios Increased Power
