Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/35-28 | 325/30-28 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.96 (938.7) | 35.68 (906.2) | -1.28 (-32.5) -3.5% |
| Width inches (mm) | 12.8 (325) | 12.8 (325) | 0 (0) 0% |
| Circum. inches (mm) | 116.1 (2949.01) | 112.08 (2846.91) | -4.02 (-102.1) -3.5% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 3.84 (97.5) | -0.64 (-16.25) -14.3% |
| Revolutions per mile (km) | 545.72 (339.1) | 565.29 (351.26) | 19.57 (12.16) 3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.31 mph (31.07 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.84 km/h) |
| 30 mph (48.28 km/h) | 28.96 mph (46.61 km/h) |
| 35 mph (56.33 km/h) | 33.79 mph (54.38 km/h) |
| 40 mph (64.37 km/h) | 38.62 mph (62.15 km/h) |
| 45 mph (72.42 km/h) | 43.44 mph (69.91 km/h) |
| 50 mph (80.47 km/h) | 48.27 mph (77.68 km/h) |
| 55 mph (88.51 km/h) | 53.1 mph (85.45 km/h) |
| 60 mph (96.56 km/h) | 57.92 mph (93.22 km/h) |
| 65 mph (104.61 km/h) | 62.75 mph (100.99 km/h) |
| 70 mph (112.65 km/h) | 67.58 mph (108.75 km/h) |
| 75 mph (120.7 km/h) | 72.4 mph (116.52 km/h) |
| 80 mph (128.75 km/h) | 77.23 mph (124.29 km/h) |
| 85 mph (136.79 km/h) | 82.06 mph (132.06 km/h) |
| 90 mph (144.84 km/h) | 86.88 mph (139.83 km/h) |
| 95 mph (152.89 km/h) | 91.71 mph (147.59 km/h) |
| 100 mph (160.93 km/h) | 96.54 mph (155.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1439 | 1671 | 1800 | 1879 | 1965 | 2026 | 2094 | 2173 | 2283 | 2394 | 2516 | 2614 | 2791 | 2987 | 3140 | 3238 | 3293 | 3495 | 3777 | 4389 |
Better Fuel Economy Factory Ratios Increased Power
