Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-16 | 125/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.86 (631.4) | 23.86 (606) | -1 (-25.4) -4% |
| Width inches (mm) | 4.92 (125) | 4.92 (125) | 0 (0) 0% |
| Circum. inches (mm) | 78.09 (1983.6) | 74.95 (1903.81) | -3.14 (-79.8) -4% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.43 (112.5) | 0 (0) 0% |
| Revolutions per mile (km) | 811.32 (504.13) | 845.33 (525.26) | 34.01 (21.13) 4.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.2 mph (30.89 km/h) |
| 25 mph (40.23 km/h) | 23.99 mph (38.62 km/h) |
| 30 mph (48.28 km/h) | 28.79 mph (46.34 km/h) |
| 35 mph (56.33 km/h) | 33.59 mph (54.06 km/h) |
| 40 mph (64.37 km/h) | 38.39 mph (61.78 km/h) |
| 45 mph (72.42 km/h) | 43.19 mph (69.51 km/h) |
| 50 mph (80.47 km/h) | 47.99 mph (77.23 km/h) |
| 55 mph (88.51 km/h) | 52.79 mph (84.95 km/h) |
| 60 mph (96.56 km/h) | 57.59 mph (92.68 km/h) |
| 65 mph (104.61 km/h) | 62.39 mph (100.4 km/h) |
| 70 mph (112.65 km/h) | 67.18 mph (108.12 km/h) |
| 75 mph (120.7 km/h) | 71.98 mph (115.85 km/h) |
| 80 mph (128.75 km/h) | 76.78 mph (123.57 km/h) |
| 85 mph (136.79 km/h) | 81.58 mph (131.29 km/h) |
| 90 mph (144.84 km/h) | 86.38 mph (139.01 km/h) |
| 95 mph (152.89 km/h) | 91.18 mph (146.74 km/h) |
| 100 mph (160.93 km/h) | 95.98 mph (154.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2151 | 2499 | 2691 | 2810 | 2938 | 3030 | 3131 | 3250 | 3414 | 3579 | 3762 | 3909 | 4174 | 4467 | 4696 | 4842 | 4925 | 5227 | 5648 | 6563 |
Better Fuel Economy Factory Ratios Increased Power
