Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-15 | 165/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 24.09 (612) | 0.24 (6) 1% |
| Width inches (mm) | 4.92 (125) | 6.5 (165) | 1.57 (40) 32% |
| Circum. inches (mm) | 74.95 (1903.81) | 75.7 (1922.65) | 0.74 (18.85) 1% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.55 (115.5) | 0.12 (3) 2.7% |
| Revolutions per mile (km) | 845.33 (525.26) | 837.04 (520.11) | -8.29 (-5.15) -1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.2 mph (32.51 km/h) |
| 25 mph (40.23 km/h) | 25.25 mph (40.63 km/h) |
| 30 mph (48.28 km/h) | 30.3 mph (48.76 km/h) |
| 35 mph (56.33 km/h) | 35.35 mph (56.88 km/h) |
| 40 mph (64.37 km/h) | 40.4 mph (65.01 km/h) |
| 45 mph (72.42 km/h) | 45.45 mph (73.14 km/h) |
| 50 mph (80.47 km/h) | 50.5 mph (81.26 km/h) |
| 55 mph (88.51 km/h) | 55.54 mph (89.39 km/h) |
| 60 mph (96.56 km/h) | 60.59 mph (97.52 km/h) |
| 65 mph (104.61 km/h) | 65.64 mph (105.64 km/h) |
| 70 mph (112.65 km/h) | 70.69 mph (113.77 km/h) |
| 75 mph (120.7 km/h) | 75.74 mph (121.9 km/h) |
| 80 mph (128.75 km/h) | 80.79 mph (130.02 km/h) |
| 85 mph (136.79 km/h) | 85.84 mph (138.15 km/h) |
| 90 mph (144.84 km/h) | 90.89 mph (146.28 km/h) |
| 95 mph (152.89 km/h) | 95.94 mph (154.4 km/h) |
| 100 mph (160.93 km/h) | 100.99 mph (162.53 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
