Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/50-18 | 130/60-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657.2) | 27.14 (689.4) | 1.27 (32.2) 4.9% |
| Width inches (mm) | 7.87 (200) | 5.12 (130) | -2.76 (-70) -35% |
| Circum. inches (mm) | 81.29 (2064.65) | 85.27 (2165.81) | 3.98 (101.16) 4.9% |
| Sidewall Height inches (mm) | 3.94 (100) | 3.07 (78) | -0.87 (-22) -22% |
| Revolutions per mile (km) | 779.47 (484.34) | 743.07 (461.72) | -36.41 (-22.62) -4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.98 mph (33.76 km/h) |
| 25 mph (40.23 km/h) | 26.22 mph (42.2 km/h) |
| 30 mph (48.28 km/h) | 31.47 mph (50.65 km/h) |
| 35 mph (56.33 km/h) | 36.71 mph (59.09 km/h) |
| 40 mph (64.37 km/h) | 41.96 mph (67.53 km/h) |
| 45 mph (72.42 km/h) | 47.2 mph (75.97 km/h) |
| 50 mph (80.47 km/h) | 52.45 mph (84.41 km/h) |
| 55 mph (88.51 km/h) | 57.69 mph (92.85 km/h) |
| 60 mph (96.56 km/h) | 62.94 mph (101.29 km/h) |
| 65 mph (104.61 km/h) | 68.18 mph (109.73 km/h) |
| 70 mph (112.65 km/h) | 73.43 mph (118.17 km/h) |
| 75 mph (120.7 km/h) | 78.67 mph (126.61 km/h) |
| 80 mph (128.75 km/h) | 83.92 mph (135.06 km/h) |
| 85 mph (136.79 km/h) | 89.16 mph (143.5 km/h) |
| 90 mph (144.84 km/h) | 94.41 mph (151.94 km/h) |
| 95 mph (152.89 km/h) | 99.65 mph (160.38 km/h) |
| 100 mph (160.93 km/h) | 104.9 mph (168.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1891 | 2197 | 2366 | 2470 | 2583 | 2663 | 2752 | 2857 | 3001 | 3146 | 3307 | 3436 | 3669 | 3927 | 4128 | 4257 | 4329 | 4595 | 4965 | 5769 |
Better Fuel Economy Factory Ratios Increased Power
