Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/60-20 | 35/13.5-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.35 (898) | 35.12 (892.16) | -0.23 (-5.84) -0.7% |
| Width inches (mm) | 12.8 (325) | 13.5 (343) | 0.71 (18) 5.5% |
| Circum. inches (mm) | 111.07 (2821.15) | 110.35 (2802.8) | -0.72 (-18.35) -0.7% |
| Sidewall Height inches (mm) | 7.68 (195) | 7.56 (192.08) | -0.11 (-2.92) -1.5% |
| Revolutions per mile (km) | 570.46 (354.46) | 574.19 (356.78) | 3.73 (2.32) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.87 mph (31.98 km/h) |
| 25 mph (40.23 km/h) | 24.84 mph (39.97 km/h) |
| 30 mph (48.28 km/h) | 29.8 mph (47.97 km/h) |
| 35 mph (56.33 km/h) | 34.77 mph (55.96 km/h) |
| 40 mph (64.37 km/h) | 39.74 mph (63.96 km/h) |
| 45 mph (72.42 km/h) | 44.71 mph (71.95 km/h) |
| 50 mph (80.47 km/h) | 49.67 mph (79.94 km/h) |
| 55 mph (88.51 km/h) | 54.64 mph (87.94 km/h) |
| 60 mph (96.56 km/h) | 59.61 mph (95.93 km/h) |
| 65 mph (104.61 km/h) | 64.58 mph (103.93 km/h) |
| 70 mph (112.65 km/h) | 69.54 mph (111.92 km/h) |
| 75 mph (120.7 km/h) | 74.51 mph (119.92 km/h) |
| 80 mph (128.75 km/h) | 79.48 mph (127.91 km/h) |
| 85 mph (136.79 km/h) | 84.45 mph (135.9 km/h) |
| 90 mph (144.84 km/h) | 89.41 mph (143.9 km/h) |
| 95 mph (152.89 km/h) | 94.38 mph (151.89 km/h) |
| 100 mph (160.93 km/h) | 99.35 mph (159.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1461 | 1697 | 1828 | 1909 | 1996 | 2058 | 2127 | 2207 | 2319 | 2431 | 2556 | 2655 | 2835 | 3034 | 3190 | 3289 | 3345 | 3550 | 3836 | 4458 |
Better Fuel Economy Factory Ratios Increased Power
