Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/55-18 | 200/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.66 (677.2) | 25.87 (657.2) | -0.79 (-20) -3% |
| Width inches (mm) | 7.87 (200) | 7.87 (200) | 0 (0) 0% |
| Circum. inches (mm) | 83.76 (2127.49) | 81.29 (2064.65) | -2.47 (-62.83) -3% |
| Sidewall Height inches (mm) | 4.33 (110) | 3.94 (100) | -0.39 (-10) -9.1% |
| Revolutions per mile (km) | 756.45 (470.04) | 779.47 (484.34) | 23.02 (14.3) 3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.41 mph (31.24 km/h) |
| 25 mph (40.23 km/h) | 24.26 mph (39.05 km/h) |
| 30 mph (48.28 km/h) | 29.11 mph (46.85 km/h) |
| 35 mph (56.33 km/h) | 33.97 mph (54.66 km/h) |
| 40 mph (64.37 km/h) | 38.82 mph (62.47 km/h) |
| 45 mph (72.42 km/h) | 43.67 mph (70.28 km/h) |
| 50 mph (80.47 km/h) | 48.52 mph (78.09 km/h) |
| 55 mph (88.51 km/h) | 53.38 mph (85.9 km/h) |
| 60 mph (96.56 km/h) | 58.23 mph (93.71 km/h) |
| 65 mph (104.61 km/h) | 63.08 mph (101.52 km/h) |
| 70 mph (112.65 km/h) | 67.93 mph (109.33 km/h) |
| 75 mph (120.7 km/h) | 72.78 mph (117.14 km/h) |
| 80 mph (128.75 km/h) | 77.64 mph (124.95 km/h) |
| 85 mph (136.79 km/h) | 82.49 mph (132.75 km/h) |
| 90 mph (144.84 km/h) | 87.34 mph (140.56 km/h) |
| 95 mph (152.89 km/h) | 92.19 mph (148.37 km/h) |
| 100 mph (160.93 km/h) | 97.05 mph (156.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1984 | 2304 | 2482 | 2591 | 2710 | 2794 | 2887 | 2997 | 3148 | 3300 | 3469 | 3604 | 3849 | 4119 | 4330 | 4465 | 4541 | 4820 | 5208 | 6052 |
Better Fuel Economy Factory Ratios Increased Power
