Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 24/8-12 | 275/70-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.99 (609.3) | 35.16 (893) | 11.17 (283.7) 46.6% |
| Width inches (mm) | 7.99 (203) | 10.83 (275) | 2.83 (72) 35.5% |
| Circum. inches (mm) | 75.36 (1914.17) | 110.45 (2805.44) | 35.09 (891.27) 46.6% |
| Sidewall Height inches (mm) | 5.99 (152.25) | 7.58 (192.5) | 1.58 (40.25) 26.4% |
| Revolutions per mile (km) | 840.75 (522.42) | 573.65 (356.45) | -267.1 (-165.97) -31.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 29.31 mph (47.17 km/h) |
| 25 mph (40.23 km/h) | 36.64 mph (58.97 km/h) |
| 30 mph (48.28 km/h) | 43.97 mph (70.76 km/h) |
| 35 mph (56.33 km/h) | 51.3 mph (82.55 km/h) |
| 40 mph (64.37 km/h) | 58.62 mph (94.35 km/h) |
| 45 mph (72.42 km/h) | 65.95 mph (106.14 km/h) |
| 50 mph (80.47 km/h) | 73.28 mph (117.93 km/h) |
| 55 mph (88.51 km/h) | 80.61 mph (129.73 km/h) |
| 60 mph (96.56 km/h) | 87.94 mph (141.52 km/h) |
| 65 mph (104.61 km/h) | 95.27 mph (153.31 km/h) |
| 70 mph (112.65 km/h) | 102.59 mph (165.11 km/h) |
| 75 mph (120.7 km/h) | 109.92 mph (176.9 km/h) |
| 80 mph (128.75 km/h) | 117.25 mph (188.69 km/h) |
| 85 mph (136.79 km/h) | 124.58 mph (200.49 km/h) |
| 90 mph (144.84 km/h) | 131.91 mph (212.28 km/h) |
| 95 mph (152.89 km/h) | 139.23 mph (224.08 km/h) |
| 100 mph (160.93 km/h) | 146.56 mph (235.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1460 | 1696 | 1826 | 1907 | 1994 | 2056 | 2125 | 2205 | 2317 | 2429 | 2553 | 2653 | 2833 | 3031 | 3187 | 3286 | 3342 | 3547 | 3833 | 4454 |
Better Fuel Economy Factory Ratios Increased Power
