Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/55-20 | 260/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.18 (766.5) | 30.24 (768) | 0.06 (1.5) 0.2% |
| Width inches (mm) | 9.25 (235) | 10.24 (260) | 0.98 (25) 10.6% |
| Circum. inches (mm) | 94.8 (2408.03) | 94.99 (2412.74) | 0.19 (4.71) 0.2% |
| Sidewall Height inches (mm) | 5.09 (129.25) | 5.12 (130) | 0.03 (0.75) 0.6% |
| Revolutions per mile (km) | 668.32 (415.28) | 667.02 (414.47) | -1.31 (-0.81) -0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.04 mph (32.25 km/h) |
| 25 mph (40.23 km/h) | 25.05 mph (40.31 km/h) |
| 30 mph (48.28 km/h) | 30.06 mph (48.37 km/h) |
| 35 mph (56.33 km/h) | 35.07 mph (56.44 km/h) |
| 40 mph (64.37 km/h) | 40.08 mph (64.5 km/h) |
| 45 mph (72.42 km/h) | 45.09 mph (72.56 km/h) |
| 50 mph (80.47 km/h) | 50.1 mph (80.62 km/h) |
| 55 mph (88.51 km/h) | 55.11 mph (88.69 km/h) |
| 60 mph (96.56 km/h) | 60.12 mph (96.75 km/h) |
| 65 mph (104.61 km/h) | 65.13 mph (104.81 km/h) |
| 70 mph (112.65 km/h) | 70.14 mph (112.87 km/h) |
| 75 mph (120.7 km/h) | 75.15 mph (120.94 km/h) |
| 80 mph (128.75 km/h) | 80.16 mph (129 km/h) |
| 85 mph (136.79 km/h) | 85.17 mph (137.06 km/h) |
| 90 mph (144.84 km/h) | 90.18 mph (145.12 km/h) |
| 95 mph (152.89 km/h) | 95.19 mph (153.19 km/h) |
| 100 mph (160.93 km/h) | 100.2 mph (161.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1697 | 1972 | 2124 | 2217 | 2319 | 2391 | 2470 | 2564 | 2694 | 2824 | 2969 | 3084 | 3294 | 3525 | 3705 | 3821 | 3886 | 4124 | 4457 | 5179 |
Better Fuel Economy Factory Ratios Increased Power
