Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/60-18 | 130/80-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.09 (637.2) | 26.19 (665.2) | 1.1 (28) 4.4% |
| Width inches (mm) | 5.91 (150) | 5.12 (130) | -0.79 (-20) -13.3% |
| Circum. inches (mm) | 78.81 (2001.82) | 82.28 (2089.79) | 3.46 (87.96) 4.4% |
| Sidewall Height inches (mm) | 3.54 (90) | 4.09 (104) | 0.55 (14) 15.6% |
| Revolutions per mile (km) | 803.94 (499.54) | 770.1 (478.52) | -33.84 (-21.03) -4.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.88 mph (33.6 km/h) |
| 25 mph (40.23 km/h) | 26.1 mph (42 km/h) |
| 30 mph (48.28 km/h) | 31.32 mph (50.4 km/h) |
| 35 mph (56.33 km/h) | 36.54 mph (58.8 km/h) |
| 40 mph (64.37 km/h) | 41.76 mph (67.2 km/h) |
| 45 mph (72.42 km/h) | 46.98 mph (75.6 km/h) |
| 50 mph (80.47 km/h) | 52.2 mph (84 km/h) |
| 55 mph (88.51 km/h) | 57.42 mph (92.4 km/h) |
| 60 mph (96.56 km/h) | 62.64 mph (100.8 km/h) |
| 65 mph (104.61 km/h) | 67.86 mph (109.2 km/h) |
| 70 mph (112.65 km/h) | 73.08 mph (117.6 km/h) |
| 75 mph (120.7 km/h) | 78.3 mph (126 km/h) |
| 80 mph (128.75 km/h) | 83.52 mph (134.41 km/h) |
| 85 mph (136.79 km/h) | 88.74 mph (142.81 km/h) |
| 90 mph (144.84 km/h) | 93.95 mph (151.21 km/h) |
| 95 mph (152.89 km/h) | 99.17 mph (159.61 km/h) |
| 100 mph (160.93 km/h) | 104.39 mph (168.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1960 | 2277 | 2452 | 2560 | 2677 | 2760 | 2852 | 2960 | 3111 | 3261 | 3427 | 3561 | 3803 | 4070 | 4278 | 4412 | 4487 | 4762 | 5145 | 5979 |
Better Fuel Economy Factory Ratios Increased Power
