Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-19 | 285/80-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.61 (853.6) | 37.95 (964) | 4.35 (110.4) 12.9% |
| Width inches (mm) | 10.43 (265) | 11.22 (285) | 0.79 (20) 7.5% |
| Circum. inches (mm) | 105.58 (2681.66) | 119.23 (3028.5) | 13.65 (346.83) 12.9% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 8.98 (228) | 1.67 (42.5) 22.9% |
| Revolutions per mile (km) | 600.13 (372.9) | 531.4 (330.2) | -68.73 (-42.71) -11.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.59 mph (36.35 km/h) |
| 25 mph (40.23 km/h) | 28.23 mph (45.44 km/h) |
| 30 mph (48.28 km/h) | 33.88 mph (54.52 km/h) |
| 35 mph (56.33 km/h) | 39.53 mph (63.61 km/h) |
| 40 mph (64.37 km/h) | 45.17 mph (72.7 km/h) |
| 45 mph (72.42 km/h) | 50.82 mph (81.79 km/h) |
| 50 mph (80.47 km/h) | 56.47 mph (90.87 km/h) |
| 55 mph (88.51 km/h) | 62.11 mph (99.96 km/h) |
| 60 mph (96.56 km/h) | 67.76 mph (109.05 km/h) |
| 65 mph (104.61 km/h) | 73.41 mph (118.14 km/h) |
| 70 mph (112.65 km/h) | 79.05 mph (127.22 km/h) |
| 75 mph (120.7 km/h) | 84.7 mph (136.31 km/h) |
| 80 mph (128.75 km/h) | 90.35 mph (145.4 km/h) |
| 85 mph (136.79 km/h) | 95.99 mph (154.49 km/h) |
| 90 mph (144.84 km/h) | 101.64 mph (163.57 km/h) |
| 95 mph (152.89 km/h) | 107.29 mph (172.66 km/h) |
| 100 mph (160.93 km/h) | 112.93 mph (181.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1352 | 1571 | 1692 | 1767 | 1847 | 1905 | 1968 | 2043 | 2146 | 2250 | 2365 | 2457 | 2624 | 2808 | 2952 | 3044 | 3096 | 3286 | 3551 | 4126 |
Better Fuel Economy Factory Ratios Increased Power
