Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/70-16 | 395/35-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.91 (861.4) | 25.89 (657.5) | -8.03 (-203.9) -23.7% |
| Width inches (mm) | 12.8 (325) | 15.55 (395) | 2.76 (70) 21.5% |
| Circum. inches (mm) | 106.54 (2706.17) | 81.32 (2065.6) | -25.22 (-640.57) -23.7% |
| Sidewall Height inches (mm) | 8.96 (227.5) | 5.44 (138.25) | -3.51 (-89.25) -39.2% |
| Revolutions per mile (km) | 594.69 (369.53) | 779.12 (484.12) | 184.42 (114.6) 31% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.27 mph (24.57 km/h) |
| 25 mph (40.23 km/h) | 19.08 mph (30.71 km/h) |
| 30 mph (48.28 km/h) | 22.9 mph (36.85 km/h) |
| 35 mph (56.33 km/h) | 26.72 mph (42.99 km/h) |
| 40 mph (64.37 km/h) | 30.53 mph (49.14 km/h) |
| 45 mph (72.42 km/h) | 34.35 mph (55.28 km/h) |
| 50 mph (80.47 km/h) | 38.16 mph (61.42 km/h) |
| 55 mph (88.51 km/h) | 41.98 mph (67.56 km/h) |
| 60 mph (96.56 km/h) | 45.8 mph (73.7 km/h) |
| 65 mph (104.61 km/h) | 49.61 mph (79.85 km/h) |
| 70 mph (112.65 km/h) | 53.43 mph (85.99 km/h) |
| 75 mph (120.7 km/h) | 57.25 mph (92.13 km/h) |
| 80 mph (128.75 km/h) | 61.06 mph (98.27 km/h) |
| 85 mph (136.79 km/h) | 64.88 mph (104.41 km/h) |
| 90 mph (144.84 km/h) | 68.7 mph (110.56 km/h) |
| 95 mph (152.89 km/h) | 72.51 mph (116.7 km/h) |
| 100 mph (160.93 km/h) | 76.33 mph (122.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1983 | 2303 | 2480 | 2590 | 2708 | 2793 | 2885 | 2995 | 3147 | 3299 | 3468 | 3603 | 3847 | 4117 | 4328 | 4463 | 4539 | 4818 | 5206 | 6049 |
Better Fuel Economy Factory Ratios Increased Power
