Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/65-18 | 295/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.07 (814.7) | 35.1 (891.5) | 3.02 (76.8) 9.4% |
| Width inches (mm) | 10.83 (275) | 11.61 (295) | 0.79 (20) 7.3% |
| Circum. inches (mm) | 100.77 (2559.46) | 110.26 (2800.73) | 9.5 (241.27) 9.4% |
| Sidewall Height inches (mm) | 7.04 (178.75) | 7.55 (191.75) | 0.51 (13) 7.3% |
| Revolutions per mile (km) | 628.78 (390.71) | 574.62 (357.05) | -54.17 (-33.66) -8.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.89 mph (35.22 km/h) |
| 25 mph (40.23 km/h) | 27.36 mph (44.03 km/h) |
| 30 mph (48.28 km/h) | 32.83 mph (52.83 km/h) |
| 35 mph (56.33 km/h) | 38.3 mph (61.64 km/h) |
| 40 mph (64.37 km/h) | 43.77 mph (70.44 km/h) |
| 45 mph (72.42 km/h) | 49.24 mph (79.25 km/h) |
| 50 mph (80.47 km/h) | 54.71 mph (88.05 km/h) |
| 55 mph (88.51 km/h) | 60.18 mph (96.86 km/h) |
| 60 mph (96.56 km/h) | 65.66 mph (105.66 km/h) |
| 65 mph (104.61 km/h) | 71.13 mph (114.47 km/h) |
| 70 mph (112.65 km/h) | 76.6 mph (123.27 km/h) |
| 75 mph (120.7 km/h) | 82.07 mph (132.08 km/h) |
| 80 mph (128.75 km/h) | 87.54 mph (140.88 km/h) |
| 85 mph (136.79 km/h) | 93.01 mph (149.69 km/h) |
| 90 mph (144.84 km/h) | 98.48 mph (158.5 km/h) |
| 95 mph (152.89 km/h) | 103.96 mph (167.3 km/h) |
| 100 mph (160.93 km/h) | 109.43 mph (176.11 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
