Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/90-15 | 165/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.63 (651) | 24.09 (612) | -1.54 (-39) -6% |
| Width inches (mm) | 5.91 (150) | 6.5 (165) | 0.59 (15) 10% |
| Circum. inches (mm) | 80.52 (2045.18) | 75.7 (1922.65) | -4.82 (-122.52) -6% |
| Sidewall Height inches (mm) | 5.31 (135) | 4.55 (115.5) | -0.77 (-19.5) -14.4% |
| Revolutions per mile (km) | 786.9 (488.95) | 837.04 (520.11) | 50.15 (31.16) 6.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.8 mph (30.26 km/h) |
| 25 mph (40.23 km/h) | 23.5 mph (37.82 km/h) |
| 30 mph (48.28 km/h) | 28.2 mph (45.39 km/h) |
| 35 mph (56.33 km/h) | 32.9 mph (52.95 km/h) |
| 40 mph (64.37 km/h) | 37.6 mph (60.52 km/h) |
| 45 mph (72.42 km/h) | 42.3 mph (68.08 km/h) |
| 50 mph (80.47 km/h) | 47 mph (75.65 km/h) |
| 55 mph (88.51 km/h) | 51.71 mph (83.21 km/h) |
| 60 mph (96.56 km/h) | 56.41 mph (90.78 km/h) |
| 65 mph (104.61 km/h) | 61.11 mph (98.34 km/h) |
| 70 mph (112.65 km/h) | 65.81 mph (105.91 km/h) |
| 75 mph (120.7 km/h) | 70.51 mph (113.47 km/h) |
| 80 mph (128.75 km/h) | 75.21 mph (121.03 km/h) |
| 85 mph (136.79 km/h) | 79.91 mph (128.6 km/h) |
| 90 mph (144.84 km/h) | 84.61 mph (136.16 km/h) |
| 95 mph (152.89 km/h) | 89.31 mph (143.73 km/h) |
| 100 mph (160.93 km/h) | 94.01 mph (151.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2130 | 2475 | 2665 | 2783 | 2910 | 3000 | 3100 | 3218 | 3381 | 3544 | 3725 | 3870 | 4133 | 4423 | 4650 | 4795 | 4877 | 5176 | 5593 | 6499 |
Better Fuel Economy Factory Ratios Increased Power
