Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 150/80-15 | 165/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.45 (621) | 24.09 (612) | -0.35 (-9) -1.4% |
| Width inches (mm) | 5.91 (150) | 6.5 (165) | 0.59 (15) 10% |
| Circum. inches (mm) | 76.81 (1950.93) | 75.7 (1922.65) | -1.11 (-28.27) -1.4% |
| Sidewall Height inches (mm) | 4.72 (120) | 4.55 (115.5) | -0.18 (-4.5) -3.8% |
| Revolutions per mile (km) | 824.91 (512.58) | 837.04 (520.11) | 12.13 (7.54) 1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.71 mph (31.72 km/h) |
| 25 mph (40.23 km/h) | 24.64 mph (39.65 km/h) |
| 30 mph (48.28 km/h) | 29.57 mph (47.58 km/h) |
| 35 mph (56.33 km/h) | 34.49 mph (55.51 km/h) |
| 40 mph (64.37 km/h) | 39.42 mph (63.44 km/h) |
| 45 mph (72.42 km/h) | 44.35 mph (71.37 km/h) |
| 50 mph (80.47 km/h) | 49.28 mph (79.3 km/h) |
| 55 mph (88.51 km/h) | 54.2 mph (87.23 km/h) |
| 60 mph (96.56 km/h) | 59.13 mph (95.16 km/h) |
| 65 mph (104.61 km/h) | 64.06 mph (103.09 km/h) |
| 70 mph (112.65 km/h) | 68.99 mph (111.02 km/h) |
| 75 mph (120.7 km/h) | 73.91 mph (118.95 km/h) |
| 80 mph (128.75 km/h) | 78.84 mph (126.88 km/h) |
| 85 mph (136.79 km/h) | 83.77 mph (134.81 km/h) |
| 90 mph (144.84 km/h) | 88.7 mph (142.74 km/h) |
| 95 mph (152.89 km/h) | 93.62 mph (150.67 km/h) |
| 100 mph (160.93 km/h) | 98.55 mph (158.6 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
