Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/35-28 | 285/25-28 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.96 (938.7) | 33.61 (853.7) | -3.35 (-85) -9.1% |
| Width inches (mm) | 12.8 (325) | 11.22 (285) | -1.57 (-40) -12.3% |
| Circum. inches (mm) | 116.1 (2949.01) | 105.59 (2681.98) | -10.51 (-267.04) -9.1% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 2.81 (71.25) | -1.67 (-42.5) -37.4% |
| Revolutions per mile (km) | 545.72 (339.1) | 600.06 (372.86) | 54.34 (33.76) 10% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.19 mph (29.27 km/h) |
| 25 mph (40.23 km/h) | 22.74 mph (36.59 km/h) |
| 30 mph (48.28 km/h) | 27.28 mph (43.91 km/h) |
| 35 mph (56.33 km/h) | 31.83 mph (51.23 km/h) |
| 40 mph (64.37 km/h) | 36.38 mph (58.54 km/h) |
| 45 mph (72.42 km/h) | 40.93 mph (65.86 km/h) |
| 50 mph (80.47 km/h) | 45.47 mph (73.18 km/h) |
| 55 mph (88.51 km/h) | 50.02 mph (80.5 km/h) |
| 60 mph (96.56 km/h) | 54.57 mph (87.82 km/h) |
| 65 mph (104.61 km/h) | 59.11 mph (95.14 km/h) |
| 70 mph (112.65 km/h) | 63.66 mph (102.45 km/h) |
| 75 mph (120.7 km/h) | 68.21 mph (109.77 km/h) |
| 80 mph (128.75 km/h) | 72.76 mph (117.09 km/h) |
| 85 mph (136.79 km/h) | 77.3 mph (124.41 km/h) |
| 90 mph (144.84 km/h) | 81.85 mph (131.73 km/h) |
| 95 mph (152.89 km/h) | 86.4 mph (139.04 km/h) |
| 100 mph (160.93 km/h) | 90.94 mph (146.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1527 | 1774 | 1910 | 1995 | 2086 | 2151 | 2222 | 2307 | 2424 | 2541 | 2671 | 2775 | 2963 | 3171 | 3333 | 3437 | 3496 | 3710 | 4009 | 4659 |
Better Fuel Economy Factory Ratios Increased Power
