Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 285/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 33.95 (862.4) | 6.79 (172.5) 25% |
| Width inches (mm) | 12.4 (315) | 11.22 (285) | -1.18 (-30) -9.5% |
| Circum. inches (mm) | 85.33 (2167.38) | 106.67 (2709.31) | 21.34 (541.92) 25% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 8.98 (228) | 3.4 (86.25) 60.8% |
| Revolutions per mile (km) | 742.53 (461.38) | 594.01 (369.1) | -148.52 (-92.29) -20% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25 mph (40.23 km/h) |
| 25 mph (40.23 km/h) | 31.25 mph (50.29 km/h) |
| 30 mph (48.28 km/h) | 37.5 mph (60.35 km/h) |
| 35 mph (56.33 km/h) | 43.75 mph (70.41 km/h) |
| 40 mph (64.37 km/h) | 50 mph (80.47 km/h) |
| 45 mph (72.42 km/h) | 56.25 mph (90.53 km/h) |
| 50 mph (80.47 km/h) | 62.5 mph (100.59 km/h) |
| 55 mph (88.51 km/h) | 68.75 mph (110.65 km/h) |
| 60 mph (96.56 km/h) | 75 mph (120.7 km/h) |
| 65 mph (104.61 km/h) | 81.25 mph (130.76 km/h) |
| 70 mph (112.65 km/h) | 87.5 mph (140.82 km/h) |
| 75 mph (120.7 km/h) | 93.75 mph (150.88 km/h) |
| 80 mph (128.75 km/h) | 100 mph (160.94 km/h) |
| 85 mph (136.79 km/h) | 106.25 mph (171 km/h) |
| 90 mph (144.84 km/h) | 112.5 mph (181.06 km/h) |
| 95 mph (152.89 km/h) | 118.75 mph (191.12 km/h) |
| 100 mph (160.93 km/h) | 125 mph (201.17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1512 | 1756 | 1891 | 1975 | 2065 | 2129 | 2200 | 2284 | 2399 | 2515 | 2644 | 2747 | 2933 | 3139 | 3300 | 3403 | 3461 | 3673 | 3969 | 4612 |
Better Fuel Economy Factory Ratios Increased Power
