Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/70-18 | 140/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.27 (667.2) | 25.72 (653.2) | -0.55 (-14) -2.1% |
| Width inches (mm) | 5.91 (150) | 5.51 (140) | -0.39 (-10) -6.7% |
| Circum. inches (mm) | 82.52 (2096.07) | 80.79 (2052.09) | -1.73 (-43.98) -2.1% |
| Sidewall Height inches (mm) | 4.13 (105) | 3.86 (98) | -0.28 (-7) -6.7% |
| Revolutions per mile (km) | 767.79 (477.08) | 784.25 (487.31) | 16.46 (10.23) 2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.58 mph (31.51 km/h) |
| 25 mph (40.23 km/h) | 24.48 mph (39.39 km/h) |
| 30 mph (48.28 km/h) | 29.37 mph (47.27 km/h) |
| 35 mph (56.33 km/h) | 34.27 mph (55.15 km/h) |
| 40 mph (64.37 km/h) | 39.16 mph (63.02 km/h) |
| 45 mph (72.42 km/h) | 44.06 mph (70.9 km/h) |
| 50 mph (80.47 km/h) | 48.95 mph (78.78 km/h) |
| 55 mph (88.51 km/h) | 53.85 mph (86.66 km/h) |
| 60 mph (96.56 km/h) | 58.74 mph (94.53 km/h) |
| 65 mph (104.61 km/h) | 63.64 mph (102.41 km/h) |
| 70 mph (112.65 km/h) | 68.53 mph (110.29 km/h) |
| 75 mph (120.7 km/h) | 73.43 mph (118.17 km/h) |
| 80 mph (128.75 km/h) | 78.32 mph (126.05 km/h) |
| 85 mph (136.79 km/h) | 83.22 mph (133.92 km/h) |
| 90 mph (144.84 km/h) | 88.11 mph (141.8 km/h) |
| 95 mph (152.89 km/h) | 93.01 mph (149.68 km/h) |
| 100 mph (160.93 km/h) | 97.9 mph (157.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 2318 | 2497 | 2607 | 2726 | 2811 | 2904 | 3015 | 3168 | 3321 | 3490 | 3626 | 3873 | 4144 | 4357 | 4493 | 4569 | 4849 | 5240 | 6089 |
Better Fuel Economy Factory Ratios Increased Power
