Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/70-16 | 285/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.91 (861.4) | 31.71 (805.4) | -2.2 (-56) -6.5% |
| Width inches (mm) | 12.8 (325) | 11.22 (285) | -1.57 (-40) -12.3% |
| Circum. inches (mm) | 106.54 (2706.17) | 99.62 (2530.24) | -6.93 (-175.93) -6.5% |
| Sidewall Height inches (mm) | 8.96 (227.5) | 7.85 (199.5) | -1.1 (-28) -12.3% |
| Revolutions per mile (km) | 594.69 (369.53) | 636.04 (395.22) | 41.35 (25.69) 7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.7 mph (30.09 km/h) |
| 25 mph (40.23 km/h) | 23.37 mph (37.62 km/h) |
| 30 mph (48.28 km/h) | 28.05 mph (45.14 km/h) |
| 35 mph (56.33 km/h) | 32.72 mph (52.67 km/h) |
| 40 mph (64.37 km/h) | 37.4 mph (60.19 km/h) |
| 45 mph (72.42 km/h) | 42.07 mph (67.71 km/h) |
| 50 mph (80.47 km/h) | 46.75 mph (75.24 km/h) |
| 55 mph (88.51 km/h) | 51.42 mph (82.76 km/h) |
| 60 mph (96.56 km/h) | 56.1 mph (90.28 km/h) |
| 65 mph (104.61 km/h) | 60.77 mph (97.81 km/h) |
| 70 mph (112.65 km/h) | 65.45 mph (105.33 km/h) |
| 75 mph (120.7 km/h) | 70.12 mph (112.85 km/h) |
| 80 mph (128.75 km/h) | 74.8 mph (120.38 km/h) |
| 85 mph (136.79 km/h) | 79.47 mph (127.9 km/h) |
| 90 mph (144.84 km/h) | 84.15 mph (135.43 km/h) |
| 95 mph (152.89 km/h) | 88.82 mph (142.95 km/h) |
| 100 mph (160.93 km/h) | 93.5 mph (150.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1619 | 1880 | 2025 | 2115 | 2211 | 2280 | 2356 | 2445 | 2569 | 2693 | 2831 | 2941 | 3141 | 3361 | 3533 | 3644 | 3706 | 3933 | 4250 | 4938 |
Better Fuel Economy Factory Ratios Increased Power
