Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 27/8.5-14 | 235/75-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.93 (683.92) | 27.88 (708.1) | 0.95 (24.18) 3.5% |
| Width inches (mm) | 8.5 (216) | 9.25 (235) | 0.75 (19) 8.8% |
| Circum. inches (mm) | 84.59 (2148.6) | 87.58 (2224.56) | 2.99 (75.96) 3.5% |
| Sidewall Height inches (mm) | 6.46 (164.16) | 6.94 (176.25) | 0.48 (12.09) 7.4% |
| Revolutions per mile (km) | 749.02 (465.42) | 723.44 (449.53) | -25.58 (-15.89) -3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.71 mph (33.32 km/h) |
| 25 mph (40.23 km/h) | 25.88 mph (41.66 km/h) |
| 30 mph (48.28 km/h) | 31.06 mph (49.99 km/h) |
| 35 mph (56.33 km/h) | 36.24 mph (58.32 km/h) |
| 40 mph (64.37 km/h) | 41.41 mph (66.65 km/h) |
| 45 mph (72.42 km/h) | 46.59 mph (74.98 km/h) |
| 50 mph (80.47 km/h) | 51.77 mph (83.31 km/h) |
| 55 mph (88.51 km/h) | 56.94 mph (91.64 km/h) |
| 60 mph (96.56 km/h) | 62.12 mph (99.97 km/h) |
| 65 mph (104.61 km/h) | 67.3 mph (108.31 km/h) |
| 70 mph (112.65 km/h) | 72.47 mph (116.64 km/h) |
| 75 mph (120.7 km/h) | 77.65 mph (124.97 km/h) |
| 80 mph (128.75 km/h) | 82.83 mph (133.3 km/h) |
| 85 mph (136.79 km/h) | 88.01 mph (141.63 km/h) |
| 90 mph (144.84 km/h) | 93.18 mph (149.96 km/h) |
| 95 mph (152.89 km/h) | 98.36 mph (158.29 km/h) |
| 100 mph (160.93 km/h) | 103.54 mph (166.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1841 | 2139 | 2303 | 2405 | 2515 | 2593 | 2679 | 2781 | 2922 | 3063 | 3220 | 3345 | 3572 | 3823 | 4019 | 4144 | 4215 | 4473 | 4834 | 5617 |
Better Fuel Economy Factory Ratios Increased Power
