Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/65-16 | 245/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.59 (776.9) | 32.54 (826.5) | 1.95 (49.6) 6.4% |
| Width inches (mm) | 11.22 (285) | 9.65 (245) | -1.57 (-40) -14% |
| Circum. inches (mm) | 96.09 (2440.7) | 102.23 (2596.53) | 6.13 (155.82) 6.4% |
| Sidewall Height inches (mm) | 7.29 (185.25) | 6.27 (159.25) | -1.02 (-26) -14% |
| Revolutions per mile (km) | 659.38 (409.72) | 619.81 (385.13) | -39.57 (-24.59) -6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.28 mph (34.24 km/h) |
| 25 mph (40.23 km/h) | 26.6 mph (42.8 km/h) |
| 30 mph (48.28 km/h) | 31.92 mph (51.36 km/h) |
| 35 mph (56.33 km/h) | 37.23 mph (59.92 km/h) |
| 40 mph (64.37 km/h) | 42.55 mph (68.48 km/h) |
| 45 mph (72.42 km/h) | 47.87 mph (77.04 km/h) |
| 50 mph (80.47 km/h) | 53.19 mph (85.6 km/h) |
| 55 mph (88.51 km/h) | 58.51 mph (94.17 km/h) |
| 60 mph (96.56 km/h) | 63.83 mph (102.73 km/h) |
| 65 mph (104.61 km/h) | 69.15 mph (111.29 km/h) |
| 70 mph (112.65 km/h) | 74.47 mph (119.85 km/h) |
| 75 mph (120.7 km/h) | 79.79 mph (128.41 km/h) |
| 80 mph (128.75 km/h) | 85.11 mph (136.97 km/h) |
| 85 mph (136.79 km/h) | 90.43 mph (145.53 km/h) |
| 90 mph (144.84 km/h) | 95.75 mph (154.09 km/h) |
| 95 mph (152.89 km/h) | 101.07 mph (162.65 km/h) |
| 100 mph (160.93 km/h) | 106.38 mph (171.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1577 | 1832 | 1973 | 2061 | 2155 | 2222 | 2295 | 2383 | 2504 | 2624 | 2759 | 2866 | 3061 | 3275 | 3443 | 3551 | 3611 | 3832 | 4141 | 4812 |
Better Fuel Economy Factory Ratios Increased Power
