Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/55-18 | 130/60-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.66 (677.2) | 27.14 (689.4) | 0.48 (12.2) 1.8% |
| Width inches (mm) | 7.87 (200) | 5.12 (130) | -2.76 (-70) -35% |
| Circum. inches (mm) | 83.76 (2127.49) | 85.27 (2165.81) | 1.51 (38.33) 1.8% |
| Sidewall Height inches (mm) | 4.33 (110) | 3.07 (78) | -1.26 (-32) -29.1% |
| Revolutions per mile (km) | 756.45 (470.04) | 743.07 (461.72) | -13.39 (-8.32) -1.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.36 mph (32.77 km/h) |
| 25 mph (40.23 km/h) | 25.45 mph (40.96 km/h) |
| 30 mph (48.28 km/h) | 30.54 mph (49.15 km/h) |
| 35 mph (56.33 km/h) | 35.63 mph (57.34 km/h) |
| 40 mph (64.37 km/h) | 40.72 mph (65.53 km/h) |
| 45 mph (72.42 km/h) | 45.81 mph (73.73 km/h) |
| 50 mph (80.47 km/h) | 50.9 mph (81.92 km/h) |
| 55 mph (88.51 km/h) | 55.99 mph (90.11 km/h) |
| 60 mph (96.56 km/h) | 61.08 mph (98.3 km/h) |
| 65 mph (104.61 km/h) | 66.17 mph (106.49 km/h) |
| 70 mph (112.65 km/h) | 71.26 mph (114.68 km/h) |
| 75 mph (120.7 km/h) | 76.35 mph (122.88 km/h) |
| 80 mph (128.75 km/h) | 81.44 mph (131.07 km/h) |
| 85 mph (136.79 km/h) | 86.53 mph (139.26 km/h) |
| 90 mph (144.84 km/h) | 91.62 mph (147.45 km/h) |
| 95 mph (152.89 km/h) | 96.71 mph (155.64 km/h) |
| 100 mph (160.93 km/h) | 101.8 mph (163.83 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
