Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/65-20 | 295/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.61 (904.5) | 35.1 (891.5) | -0.51 (-13) -1.4% |
| Width inches (mm) | 12.01 (305) | 11.61 (295) | -0.39 (-10) -3.3% |
| Circum. inches (mm) | 111.87 (2841.57) | 110.26 (2800.73) | -1.61 (-40.84) -1.4% |
| Sidewall Height inches (mm) | 7.81 (198.25) | 7.55 (191.75) | -0.26 (-6.5) -3.3% |
| Revolutions per mile (km) | 566.36 (351.92) | 574.62 (357.05) | 8.26 (5.13) 1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.71 mph (31.72 km/h) |
| 25 mph (40.23 km/h) | 24.64 mph (39.66 km/h) |
| 30 mph (48.28 km/h) | 29.57 mph (47.59 km/h) |
| 35 mph (56.33 km/h) | 34.5 mph (55.52 km/h) |
| 40 mph (64.37 km/h) | 39.43 mph (63.45 km/h) |
| 45 mph (72.42 km/h) | 44.35 mph (71.38 km/h) |
| 50 mph (80.47 km/h) | 49.28 mph (79.31 km/h) |
| 55 mph (88.51 km/h) | 54.21 mph (87.24 km/h) |
| 60 mph (96.56 km/h) | 59.14 mph (95.17 km/h) |
| 65 mph (104.61 km/h) | 64.07 mph (103.1 km/h) |
| 70 mph (112.65 km/h) | 68.99 mph (111.04 km/h) |
| 75 mph (120.7 km/h) | 73.92 mph (118.97 km/h) |
| 80 mph (128.75 km/h) | 78.85 mph (126.9 km/h) |
| 85 mph (136.79 km/h) | 83.78 mph (134.83 km/h) |
| 90 mph (144.84 km/h) | 88.71 mph (142.76 km/h) |
| 95 mph (152.89 km/h) | 93.63 mph (150.69 km/h) |
| 100 mph (160.93 km/h) | 98.56 mph (158.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1462 | 1699 | 1829 | 1910 | 1997 | 2060 | 2128 | 2209 | 2321 | 2433 | 2557 | 2657 | 2837 | 3037 | 3192 | 3292 | 3348 | 3553 | 3839 | 4462 |
Better Fuel Economy Factory Ratios Increased Power
