Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/90-15 | 205/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.86 (606) | 23.88 (606.5) | 0.02 (0.5) 0.1% |
| Width inches (mm) | 4.92 (125) | 8.07 (205) | 3.15 (80) 64% |
| Circum. inches (mm) | 74.95 (1903.81) | 75.01 (1905.38) | 0.06 (1.57) 0.1% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.44 (112.75) | 0.01 (0.25) 0.2% |
| Revolutions per mile (km) | 845.33 (525.26) | 844.63 (524.83) | -0.7 (-0.43) -0.1% |
205/55-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.02 mph (32.21 km/h) |
| 25 mph (40.23 km/h) | 25.02 mph (40.27 km/h) |
| 30 mph (48.28 km/h) | 30.02 mph (48.32 km/h) |
| 35 mph (56.33 km/h) | 35.03 mph (56.37 km/h) |
| 40 mph (64.37 km/h) | 40.03 mph (64.43 km/h) |
| 45 mph (72.42 km/h) | 45.04 mph (72.48 km/h) |
| 50 mph (80.47 km/h) | 50.04 mph (80.53 km/h) |
| 55 mph (88.51 km/h) | 55.05 mph (88.59 km/h) |
| 60 mph (96.56 km/h) | 60.05 mph (96.64 km/h) |
| 65 mph (104.61 km/h) | 65.05 mph (104.69 km/h) |
| 70 mph (112.65 km/h) | 70.06 mph (112.75 km/h) |
| 75 mph (120.7 km/h) | 75.06 mph (120.8 km/h) |
| 80 mph (128.75 km/h) | 80.07 mph (128.85 km/h) |
| 85 mph (136.79 km/h) | 85.07 mph (136.91 km/h) |
| 90 mph (144.84 km/h) | 90.07 mph (144.96 km/h) |
| 95 mph (152.89 km/h) | 95.08 mph (153.01 km/h) |
| 100 mph (160.93 km/h) | 100.08 mph (161.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2149 | 2497 | 2689 | 2808 | 2936 | 3027 | 3128 | 3247 | 3412 | 3576 | 3759 | 3906 | 4171 | 4463 | 4692 | 4839 | 4921 | 5223 | 5643 | 6558 |
Better Fuel Economy Factory Ratios Increased Power
