Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/50-18 | 220/40-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657.2) | 26.93 (684) | 1.06 (26.8) 4.1% |
| Width inches (mm) | 7.87 (200) | 8.66 (220) | 0.79 (20) 10% |
| Circum. inches (mm) | 81.29 (2064.65) | 84.6 (2148.85) | 3.31 (84.19) 4.1% |
| Sidewall Height inches (mm) | 3.94 (100) | 3.46 (88) | -0.47 (-12) -12% |
| Revolutions per mile (km) | 779.47 (484.34) | 748.93 (465.36) | -30.54 (-18.98) -3.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.82 mph (33.5 km/h) |
| 25 mph (40.23 km/h) | 26.02 mph (41.87 km/h) |
| 30 mph (48.28 km/h) | 31.22 mph (50.25 km/h) |
| 35 mph (56.33 km/h) | 36.43 mph (58.62 km/h) |
| 40 mph (64.37 km/h) | 41.63 mph (67 km/h) |
| 45 mph (72.42 km/h) | 46.84 mph (75.37 km/h) |
| 50 mph (80.47 km/h) | 52.04 mph (83.75 km/h) |
| 55 mph (88.51 km/h) | 57.24 mph (92.12 km/h) |
| 60 mph (96.56 km/h) | 62.45 mph (100.5 km/h) |
| 65 mph (104.61 km/h) | 67.65 mph (108.87 km/h) |
| 70 mph (112.65 km/h) | 72.85 mph (117.25 km/h) |
| 75 mph (120.7 km/h) | 78.06 mph (125.62 km/h) |
| 80 mph (128.75 km/h) | 83.26 mph (134 km/h) |
| 85 mph (136.79 km/h) | 88.47 mph (142.37 km/h) |
| 90 mph (144.84 km/h) | 93.67 mph (150.75 km/h) |
| 95 mph (152.89 km/h) | 98.87 mph (159.12 km/h) |
| 100 mph (160.93 km/h) | 104.08 mph (167.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1906 | 2214 | 2384 | 2490 | 2603 | 2684 | 2774 | 2879 | 3025 | 3171 | 3333 | 3463 | 3698 | 3958 | 4161 | 4290 | 4363 | 4631 | 5004 | 5815 |
Better Fuel Economy Factory Ratios Increased Power
