Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/50-18 | 180/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657.2) | 25.92 (658.4) | 0.05 (1.2) 0.2% |
| Width inches (mm) | 7.87 (200) | 7.09 (180) | -0.79 (-20) -10% |
| Circum. inches (mm) | 81.29 (2064.65) | 81.43 (2068.42) | 0.15 (3.77) 0.2% |
| Sidewall Height inches (mm) | 3.94 (100) | 4.96 (126) | 1.02 (26) 26% |
| Revolutions per mile (km) | 779.47 (484.34) | 778.05 (483.46) | -1.42 (-0.88) -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) | 30.05 mph (48.37 km/h) |
| 35 mph (56.33 km/h) | 35.06 mph (56.43 km/h) |
| 40 mph (64.37 km/h) | 40.07 mph (64.49 km/h) |
| 45 mph (72.42 km/h) | 45.08 mph (72.55 km/h) |
| 50 mph (80.47 km/h) | 50.09 mph (80.61 km/h) |
| 55 mph (88.51 km/h) | 55.1 mph (88.68 km/h) |
| 60 mph (96.56 km/h) | 60.11 mph (96.74 km/h) |
| 65 mph (104.61 km/h) | 65.12 mph (104.8 km/h) |
| 70 mph (112.65 km/h) | 70.13 mph (112.86 km/h) |
| 75 mph (120.7 km/h) | 75.14 mph (120.92 km/h) |
| 80 mph (128.75 km/h) | 80.15 mph (128.98 km/h) |
| 85 mph (136.79 km/h) | 85.16 mph (137.04 km/h) |
| 90 mph (144.84 km/h) | 90.16 mph (145.11 km/h) |
| 95 mph (152.89 km/h) | 95.17 mph (153.17 km/h) |
| 100 mph (160.93 km/h) | 100.18 mph (161.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1980 | 2300 | 2477 | 2587 | 2705 | 2789 | 2882 | 2991 | 3143 | 3294 | 3463 | 3598 | 3842 | 4112 | 4322 | 4457 | 4533 | 4811 | 5199 | 6041 |
Better Fuel Economy Factory Ratios Increased Power
