Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-15 | 125/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.54 (598) | 23.86 (606) | 0.31 (8) 1.3% |
| Width inches (mm) | 6.1 (155) | 4.92 (125) | -1.18 (-30) -19.4% |
| Circum. inches (mm) | 73.96 (1878.67) | 74.95 (1903.81) | 0.99 (25.13) 1.3% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.43 (112.5) | 0.16 (4) 3.7% |
| Revolutions per mile (km) | 856.64 (532.29) | 845.33 (525.26) | -11.31 (-7.03) -1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.27 mph (32.62 km/h) |
| 25 mph (40.23 km/h) | 25.33 mph (40.77 km/h) |
| 30 mph (48.28 km/h) | 30.4 mph (48.93 km/h) |
| 35 mph (56.33 km/h) | 35.47 mph (57.08 km/h) |
| 40 mph (64.37 km/h) | 40.54 mph (65.24 km/h) |
| 45 mph (72.42 km/h) | 45.6 mph (73.39 km/h) |
| 50 mph (80.47 km/h) | 50.67 mph (81.54 km/h) |
| 55 mph (88.51 km/h) | 55.74 mph (89.7 km/h) |
| 60 mph (96.56 km/h) | 60.8 mph (97.85 km/h) |
| 65 mph (104.61 km/h) | 65.87 mph (106.01 km/h) |
| 70 mph (112.65 km/h) | 70.94 mph (114.16 km/h) |
| 75 mph (120.7 km/h) | 76 mph (122.32 km/h) |
| 80 mph (128.75 km/h) | 81.07 mph (130.47 km/h) |
| 85 mph (136.79 km/h) | 86.14 mph (138.62 km/h) |
| 90 mph (144.84 km/h) | 91.2 mph (146.78 km/h) |
| 95 mph (152.89 km/h) | 96.27 mph (154.93 km/h) |
| 100 mph (160.93 km/h) | 101.34 mph (163.09 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
