Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 235/25-28 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 32.63 (828.7) | 7.21 (183.2) 28.4% |
| Width inches (mm) | 10.83 (275) | 9.25 (235) | -1.57 (-40) -14.5% |
| Circum. inches (mm) | 79.84 (2027.9) | 102.5 (2603.44) | 22.66 (575.54) 28.4% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 2.31 (58.75) | -0.39 (-10) -14.5% |
| Revolutions per mile (km) | 793.6 (493.12) | 618.16 (384.11) | -175.44 (-109.01) -22.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.68 mph (41.32 km/h) |
| 25 mph (40.23 km/h) | 32.1 mph (51.65 km/h) |
| 30 mph (48.28 km/h) | 38.51 mph (61.98 km/h) |
| 35 mph (56.33 km/h) | 44.93 mph (72.31 km/h) |
| 40 mph (64.37 km/h) | 51.35 mph (82.64 km/h) |
| 45 mph (72.42 km/h) | 57.77 mph (92.97 km/h) |
| 50 mph (80.47 km/h) | 64.19 mph (103.3 km/h) |
| 55 mph (88.51 km/h) | 70.61 mph (113.64 km/h) |
| 60 mph (96.56 km/h) | 77.03 mph (123.97 km/h) |
| 65 mph (104.61 km/h) | 83.45 mph (134.3 km/h) |
| 70 mph (112.65 km/h) | 89.87 mph (144.63 km/h) |
| 75 mph (120.7 km/h) | 96.29 mph (154.96 km/h) |
| 80 mph (128.75 km/h) | 102.7 mph (165.29 km/h) |
| 85 mph (136.79 km/h) | 109.12 mph (175.62 km/h) |
| 90 mph (144.84 km/h) | 115.54 mph (185.95 km/h) |
| 95 mph (152.89 km/h) | 121.96 mph (196.28 km/h) |
| 100 mph (160.93 km/h) | 128.38 mph (206.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1573 | 1827 | 1968 | 2055 | 2149 | 2216 | 2289 | 2376 | 2497 | 2617 | 2751 | 2858 | 3052 | 3267 | 3434 | 3541 | 3601 | 3822 | 4130 | 4800 |
Better Fuel Economy Factory Ratios Increased Power
