Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/50-18 | 230/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657.2) | 27.06 (687.2) | 1.18 (30) 4.6% |
| Width inches (mm) | 7.87 (200) | 9.06 (230) | 1.18 (30) 15% |
| Circum. inches (mm) | 81.29 (2064.65) | 85 (2158.9) | 3.71 (94.25) 4.6% |
| Sidewall Height inches (mm) | 3.94 (100) | 4.53 (115) | 0.59 (15) 15% |
| Revolutions per mile (km) | 779.47 (484.34) | 745.45 (463.2) | -34.03 (-21.14) -4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.91 mph (33.66 km/h) |
| 25 mph (40.23 km/h) | 26.14 mph (42.07 km/h) |
| 30 mph (48.28 km/h) | 31.37 mph (50.48 km/h) |
| 35 mph (56.33 km/h) | 36.6 mph (58.9 km/h) |
| 40 mph (64.37 km/h) | 41.83 mph (67.31 km/h) |
| 45 mph (72.42 km/h) | 47.05 mph (75.73 km/h) |
| 50 mph (80.47 km/h) | 52.28 mph (84.14 km/h) |
| 55 mph (88.51 km/h) | 57.51 mph (92.55 km/h) |
| 60 mph (96.56 km/h) | 62.74 mph (100.97 km/h) |
| 65 mph (104.61 km/h) | 67.97 mph (109.38 km/h) |
| 70 mph (112.65 km/h) | 73.2 mph (117.8 km/h) |
| 75 mph (120.7 km/h) | 78.42 mph (126.21 km/h) |
| 80 mph (128.75 km/h) | 83.65 mph (134.62 km/h) |
| 85 mph (136.79 km/h) | 88.88 mph (143.04 km/h) |
| 90 mph (144.84 km/h) | 94.11 mph (151.45 km/h) |
| 95 mph (152.89 km/h) | 99.34 mph (159.87 km/h) |
| 100 mph (160.93 km/h) | 104.56 mph (168.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1897 | 2204 | 2373 | 2478 | 2591 | 2672 | 2761 | 2866 | 3011 | 3156 | 3318 | 3447 | 3681 | 3939 | 4141 | 4270 | 4343 | 4609 | 4981 | 5788 |
Better Fuel Economy Factory Ratios Increased Power
