Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/55-18 | 140/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.66 (677.2) | 25.82 (655.8) | -0.84 (-21.4) -3.2% |
| Width inches (mm) | 7.87 (200) | 5.51 (140) | -2.36 (-60) -30% |
| Circum. inches (mm) | 83.76 (2127.49) | 81.11 (2060.26) | -2.65 (-67.23) -3.2% |
| Sidewall Height inches (mm) | 4.33 (110) | 4.41 (112) | 0.08 (2) 1.8% |
| Revolutions per mile (km) | 756.45 (470.04) | 781.14 (485.38) | 24.68 (15.34) 3.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.37 mph (31.17 km/h) |
| 25 mph (40.23 km/h) | 24.21 mph (38.96 km/h) |
| 30 mph (48.28 km/h) | 29.05 mph (46.75 km/h) |
| 35 mph (56.33 km/h) | 33.89 mph (54.55 km/h) |
| 40 mph (64.37 km/h) | 38.74 mph (62.34 km/h) |
| 45 mph (72.42 km/h) | 43.58 mph (70.13 km/h) |
| 50 mph (80.47 km/h) | 48.42 mph (77.92 km/h) |
| 55 mph (88.51 km/h) | 53.26 mph (85.72 km/h) |
| 60 mph (96.56 km/h) | 58.1 mph (93.51 km/h) |
| 65 mph (104.61 km/h) | 62.95 mph (101.3 km/h) |
| 70 mph (112.65 km/h) | 67.79 mph (109.09 km/h) |
| 75 mph (120.7 km/h) | 72.63 mph (116.89 km/h) |
| 80 mph (128.75 km/h) | 77.47 mph (124.68 km/h) |
| 85 mph (136.79 km/h) | 82.31 mph (132.47 km/h) |
| 90 mph (144.84 km/h) | 87.16 mph (140.26 km/h) |
| 95 mph (152.89 km/h) | 92 mph (148.06 km/h) |
| 100 mph (160.93 km/h) | 96.84 mph (155.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | 2309 | 2487 | 2597 | 2715 | 2800 | 2893 | 3003 | 3155 | 3307 | 3477 | 3612 | 3857 | 4128 | 4339 | 4475 | 4551 | 4830 | 5219 | 6065 |
Better Fuel Economy Factory Ratios Increased Power
