Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/60-18 | 130/90-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.09 (637.2) | 27.21 (691.2) | 2.13 (54) 8.5% |
| Width inches (mm) | 5.91 (150) | 5.12 (130) | -0.79 (-20) -13.3% |
| Circum. inches (mm) | 78.81 (2001.82) | 85.49 (2171.47) | 6.68 (169.65) 8.5% |
| Sidewall Height inches (mm) | 3.54 (90) | 4.61 (117) | 1.06 (27) 30% |
| Revolutions per mile (km) | 803.94 (499.54) | 741.13 (460.52) | -62.81 (-39.03) -7.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.69 mph (34.91 km/h) |
| 25 mph (40.23 km/h) | 27.12 mph (43.64 km/h) |
| 30 mph (48.28 km/h) | 32.54 mph (52.37 km/h) |
| 35 mph (56.33 km/h) | 37.97 mph (61.1 km/h) |
| 40 mph (64.37 km/h) | 43.39 mph (69.83 km/h) |
| 45 mph (72.42 km/h) | 48.81 mph (78.56 km/h) |
| 50 mph (80.47 km/h) | 54.24 mph (87.29 km/h) |
| 55 mph (88.51 km/h) | 59.66 mph (96.02 km/h) |
| 60 mph (96.56 km/h) | 65.08 mph (104.74 km/h) |
| 65 mph (104.61 km/h) | 70.51 mph (113.47 km/h) |
| 70 mph (112.65 km/h) | 75.93 mph (122.2 km/h) |
| 75 mph (120.7 km/h) | 81.36 mph (130.93 km/h) |
| 80 mph (128.75 km/h) | 86.78 mph (139.66 km/h) |
| 85 mph (136.79 km/h) | 92.2 mph (148.39 km/h) |
| 90 mph (144.84 km/h) | 97.63 mph (157.12 km/h) |
| 95 mph (152.89 km/h) | 103.05 mph (165.84 km/h) |
| 100 mph (160.93 km/h) | 108.47 mph (174.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1886 | 2191 | 2360 | 2464 | 2576 | 2657 | 2745 | 2849 | 2994 | 3138 | 3299 | 3427 | 3660 | 3917 | 4117 | 4246 | 4318 | 4583 | 4952 | 5754 |
Better Fuel Economy Factory Ratios Increased Power
