Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/65-15 | 295/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.47 (621.5) | 35.1 (891.5) | 10.63 (270) 43.4% |
| Width inches (mm) | 7.28 (185) | 11.61 (295) | 4.33 (110) 59.5% |
| Circum. inches (mm) | 76.87 (1952.5) | 110.26 (2800.73) | 33.39 (848.23) 43.4% |
| Sidewall Height inches (mm) | 4.73 (120.25) | 7.55 (191.75) | 2.81 (71.5) 59.5% |
| Revolutions per mile (km) | 824.25 (512.16) | 574.62 (357.05) | -249.63 (-155.11) -30.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 28.69 mph (46.17 km/h) |
| 25 mph (40.23 km/h) | 35.86 mph (57.71 km/h) |
| 30 mph (48.28 km/h) | 43.03 mph (69.26 km/h) |
| 35 mph (56.33 km/h) | 50.21 mph (80.8 km/h) |
| 40 mph (64.37 km/h) | 57.38 mph (92.34 km/h) |
| 45 mph (72.42 km/h) | 64.55 mph (103.88 km/h) |
| 50 mph (80.47 km/h) | 71.72 mph (115.43 km/h) |
| 55 mph (88.51 km/h) | 78.89 mph (126.97 km/h) |
| 60 mph (96.56 km/h) | 86.07 mph (138.51 km/h) |
| 65 mph (104.61 km/h) | 93.24 mph (150.05 km/h) |
| 70 mph (112.65 km/h) | 100.41 mph (161.6 km/h) |
| 75 mph (120.7 km/h) | 107.58 mph (173.14 km/h) |
| 80 mph (128.75 km/h) | 114.75 mph (184.68 km/h) |
| 85 mph (136.79 km/h) | 121.93 mph (196.22 km/h) |
| 90 mph (144.84 km/h) | 129.1 mph (207.77 km/h) |
| 95 mph (152.89 km/h) | 136.27 mph (219.31 km/h) |
| 100 mph (160.93 km/h) | 143.44 mph (230.85 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
