Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/55-18 | 200/40-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.66 (677.2) | 24.3 (617.2) | -2.36 (-60) -8.9% |
| Width inches (mm) | 7.87 (200) | 7.87 (200) | 0 (0) 0% |
| Circum. inches (mm) | 83.76 (2127.49) | 76.34 (1938.99) | -7.42 (-188.5) -8.9% |
| Sidewall Height inches (mm) | 4.33 (110) | 3.15 (80) | -1.18 (-30) -27.3% |
| Revolutions per mile (km) | 756.45 (470.04) | 829.99 (515.73) | 73.54 (45.69) 9.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.23 mph (29.34 km/h) |
| 25 mph (40.23 km/h) | 22.78 mph (36.67 km/h) |
| 30 mph (48.28 km/h) | 27.34 mph (44 km/h) |
| 35 mph (56.33 km/h) | 31.9 mph (51.34 km/h) |
| 40 mph (64.37 km/h) | 36.46 mph (58.67 km/h) |
| 45 mph (72.42 km/h) | 41.01 mph (66 km/h) |
| 50 mph (80.47 km/h) | 45.57 mph (73.34 km/h) |
| 55 mph (88.51 km/h) | 50.13 mph (80.67 km/h) |
| 60 mph (96.56 km/h) | 54.68 mph (88.01 km/h) |
| 65 mph (104.61 km/h) | 59.24 mph (95.34 km/h) |
| 70 mph (112.65 km/h) | 63.8 mph (102.67 km/h) |
| 75 mph (120.7 km/h) | 68.35 mph (110.01 km/h) |
| 80 mph (128.75 km/h) | 72.91 mph (117.34 km/h) |
| 85 mph (136.79 km/h) | 77.47 mph (124.67 km/h) |
| 90 mph (144.84 km/h) | 82.03 mph (132.01 km/h) |
| 95 mph (152.89 km/h) | 86.58 mph (139.34 km/h) |
| 100 mph (160.93 km/h) | 91.14 mph (146.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2112 | 2454 | 2642 | 2759 | 2885 | 2975 | 3074 | 3191 | 3353 | 3514 | 3694 | 3838 | 4099 | 4386 | 4611 | 4755 | 4836 | 5132 | 5546 | 6444 |
Better Fuel Economy Factory Ratios Increased Power
