Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/90-18 | 130/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.4 (772.2) | 25.21 (640.4) | -5.19 (-131.8) -17.1% |
| Width inches (mm) | 6.89 (175) | 5.12 (130) | -1.77 (-45) -25.7% |
| Circum. inches (mm) | 95.51 (2425.94) | 79.21 (2011.88) | -16.3 (-414.06) -17.1% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 4.61 (117) | -1.59 (-40.5) -25.7% |
| Revolutions per mile (km) | 663.39 (412.21) | 799.92 (497.05) | 136.53 (84.84) 20.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.59 mph (26.69 km/h) |
| 25 mph (40.23 km/h) | 20.73 mph (33.37 km/h) |
| 30 mph (48.28 km/h) | 24.88 mph (40.04 km/h) |
| 35 mph (56.33 km/h) | 29.03 mph (46.71 km/h) |
| 40 mph (64.37 km/h) | 33.17 mph (53.39 km/h) |
| 45 mph (72.42 km/h) | 37.32 mph (60.06 km/h) |
| 50 mph (80.47 km/h) | 41.47 mph (66.73 km/h) |
| 55 mph (88.51 km/h) | 45.61 mph (73.41 km/h) |
| 60 mph (96.56 km/h) | 49.76 mph (80.08 km/h) |
| 65 mph (104.61 km/h) | 53.91 mph (86.75 km/h) |
| 70 mph (112.65 km/h) | 58.05 mph (93.43 km/h) |
| 75 mph (120.7 km/h) | 62.2 mph (100.1 km/h) |
| 80 mph (128.75 km/h) | 66.35 mph (106.77 km/h) |
| 85 mph (136.79 km/h) | 70.49 mph (113.45 km/h) |
| 90 mph (144.84 km/h) | 74.64 mph (120.12 km/h) |
| 95 mph (152.89 km/h) | 78.79 mph (126.79 km/h) |
| 100 mph (160.93 km/h) | 82.93 mph (133.47 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
