Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/70-18 | 295/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.16 (842.2) | 35.1 (891.5) | 1.94 (49.3) 5.9% |
| Width inches (mm) | 10.83 (275) | 11.61 (295) | 0.79 (20) 7.3% |
| Circum. inches (mm) | 104.17 (2645.85) | 110.26 (2800.73) | 6.1 (154.88) 5.9% |
| Sidewall Height inches (mm) | 7.58 (192.5) | 7.55 (191.75) | -0.03 (-0.75) -0.4% |
| Revolutions per mile (km) | 608.25 (377.95) | 574.62 (357.05) | -33.64 (-20.9) -5.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.17 mph (34.07 km/h) |
| 25 mph (40.23 km/h) | 26.46 mph (42.59 km/h) |
| 30 mph (48.28 km/h) | 31.76 mph (51.11 km/h) |
| 35 mph (56.33 km/h) | 37.05 mph (59.62 km/h) |
| 40 mph (64.37 km/h) | 42.34 mph (68.14 km/h) |
| 45 mph (72.42 km/h) | 47.63 mph (76.66 km/h) |
| 50 mph (80.47 km/h) | 52.93 mph (85.18 km/h) |
| 55 mph (88.51 km/h) | 58.22 mph (93.7 km/h) |
| 60 mph (96.56 km/h) | 63.51 mph (102.21 km/h) |
| 65 mph (104.61 km/h) | 68.8 mph (110.73 km/h) |
| 70 mph (112.65 km/h) | 74.1 mph (119.25 km/h) |
| 75 mph (120.7 km/h) | 79.39 mph (127.77 km/h) |
| 80 mph (128.75 km/h) | 84.68 mph (136.28 km/h) |
| 85 mph (136.79 km/h) | 89.98 mph (144.8 km/h) |
| 90 mph (144.84 km/h) | 95.27 mph (153.32 km/h) |
| 95 mph (152.89 km/h) | 100.56 mph (161.84 km/h) |
| 100 mph (160.93 km/h) | 105.85 mph (170.36 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
