Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/50-18 | 195/30-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657.2) | 22.61 (574.2) | -3.27 (-83) -12.6% |
| Width inches (mm) | 7.87 (200) | 7.68 (195) | -0.2 (-5) -2.5% |
| Circum. inches (mm) | 81.29 (2064.65) | 71.02 (1803.9) | -10.27 (-260.75) -12.6% |
| Sidewall Height inches (mm) | 3.94 (100) | 2.3 (58.5) | -1.63 (-41.5) -41.5% |
| Revolutions per mile (km) | 779.47 (484.34) | 892.15 (554.35) | 112.67 (70.01) 14.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.47 mph (28.12 km/h) |
| 25 mph (40.23 km/h) | 21.84 mph (35.15 km/h) |
| 30 mph (48.28 km/h) | 26.21 mph (42.18 km/h) |
| 35 mph (56.33 km/h) | 30.58 mph (49.21 km/h) |
| 40 mph (64.37 km/h) | 34.95 mph (56.24 km/h) |
| 45 mph (72.42 km/h) | 39.32 mph (63.27 km/h) |
| 50 mph (80.47 km/h) | 43.69 mph (70.3 km/h) |
| 55 mph (88.51 km/h) | 48.05 mph (77.34 km/h) |
| 60 mph (96.56 km/h) | 52.42 mph (84.37 km/h) |
| 65 mph (104.61 km/h) | 56.79 mph (91.4 km/h) |
| 70 mph (112.65 km/h) | 61.16 mph (98.43 km/h) |
| 75 mph (120.7 km/h) | 65.53 mph (105.46 km/h) |
| 80 mph (128.75 km/h) | 69.9 mph (112.49 km/h) |
| 85 mph (136.79 km/h) | 74.27 mph (119.52 km/h) |
| 90 mph (144.84 km/h) | 78.63 mph (126.55 km/h) |
| 95 mph (152.89 km/h) | 83 mph (133.58 km/h) |
| 100 mph (160.93 km/h) | 87.37 mph (140.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2270 | 2637 | 2840 | 2966 | 3101 | 3198 | 3304 | 3430 | 3604 | 3777 | 3971 | 4125 | 4405 | 4715 | 4956 | 5111 | 5198 | 5516 | 5961 | 6927 |
Better Fuel Economy Factory Ratios Increased Power
