Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/70-15 | 180/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 25.21 (640.4) | -0.81 (-20.6) -3.1% |
| Width inches (mm) | 7.87 (200) | 7.09 (180) | -0.79 (-20) -10% |
| Circum. inches (mm) | 81.76 (2076.59) | 79.21 (2011.88) | -2.55 (-64.72) -3.1% |
| Sidewall Height inches (mm) | 5.51 (140) | 4.61 (117) | -0.91 (-23) -16.4% |
| Revolutions per mile (km) | 774.99 (481.56) | 799.92 (497.05) | 24.93 (15.49) 3.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.38 mph (31.18 km/h) |
| 25 mph (40.23 km/h) | 24.22 mph (38.98 km/h) |
| 30 mph (48.28 km/h) | 29.07 mph (46.78 km/h) |
| 35 mph (56.33 km/h) | 33.91 mph (54.57 km/h) |
| 40 mph (64.37 km/h) | 38.75 mph (62.37 km/h) |
| 45 mph (72.42 km/h) | 43.6 mph (70.16 km/h) |
| 50 mph (80.47 km/h) | 48.44 mph (77.96 km/h) |
| 55 mph (88.51 km/h) | 53.29 mph (85.76 km/h) |
| 60 mph (96.56 km/h) | 58.13 mph (93.55 km/h) |
| 65 mph (104.61 km/h) | 62.97 mph (101.35 km/h) |
| 70 mph (112.65 km/h) | 67.82 mph (109.14 km/h) |
| 75 mph (120.7 km/h) | 72.66 mph (116.94 km/h) |
| 80 mph (128.75 km/h) | 77.51 mph (124.74 km/h) |
| 85 mph (136.79 km/h) | 82.35 mph (132.53 km/h) |
| 90 mph (144.84 km/h) | 87.2 mph (140.33 km/h) |
| 95 mph (152.89 km/h) | 92.04 mph (148.12 km/h) |
| 100 mph (160.93 km/h) | 96.88 mph (155.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2036 | 2365 | 2547 | 2659 | 2781 | 2867 | 2963 | 3075 | 3231 | 3387 | 3560 | 3699 | 3950 | 4227 | 4444 | 4582 | 4660 | 4946 | 5345 | 6211 |
Better Fuel Economy Factory Ratios Increased Power
