Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/70-16 | 33.5/17-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.91 (861.4) | 33.35 (847.04) | -0.57 (-14.36) -1.7% |
| Width inches (mm) | 12.8 (325) | 17.01 (432) | 4.21 (107) 32.9% |
| Circum. inches (mm) | 106.54 (2706.17) | 104.77 (2661.05) | -1.78 (-45.11) -1.7% |
| Sidewall Height inches (mm) | 8.96 (227.5) | 8.67 (220.32) | -0.28 (-7.18) -3.2% |
| Revolutions per mile (km) | 594.69 (369.53) | 604.78 (375.79) | 10.08 (6.26) 1.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.67 mph (31.65 km/h) |
| 25 mph (40.23 km/h) | 24.58 mph (39.56 km/h) |
| 30 mph (48.28 km/h) | 29.5 mph (47.48 km/h) |
| 35 mph (56.33 km/h) | 34.42 mph (55.39 km/h) |
| 40 mph (64.37 km/h) | 39.33 mph (63.3 km/h) |
| 45 mph (72.42 km/h) | 44.25 mph (71.21 km/h) |
| 50 mph (80.47 km/h) | 49.17 mph (79.13 km/h) |
| 55 mph (88.51 km/h) | 54.08 mph (87.04 km/h) |
| 60 mph (96.56 km/h) | 59 mph (94.95 km/h) |
| 65 mph (104.61 km/h) | 63.92 mph (102.86 km/h) |
| 70 mph (112.65 km/h) | 68.83 mph (110.78 km/h) |
| 75 mph (120.7 km/h) | 73.75 mph (118.69 km/h) |
| 80 mph (128.75 km/h) | 78.67 mph (126.6 km/h) |
| 85 mph (136.79 km/h) | 83.58 mph (134.51 km/h) |
| 90 mph (144.84 km/h) | 88.5 mph (142.43 km/h) |
| 95 mph (152.89 km/h) | 93.42 mph (150.34 km/h) |
| 100 mph (160.93 km/h) | 98.33 mph (158.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1539 | 1788 | 1925 | 2011 | 2102 | 2168 | 2240 | 2325 | 2443 | 2561 | 2692 | 2796 | 2986 | 3196 | 3360 | 3464 | 3523 | 3740 | 4041 | 4696 |
Better Fuel Economy Factory Ratios Increased Power
