Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/40-17 | 205/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.46 (595.8) | 23.88 (606.5) | 0.42 (10.7) 1.8% |
| Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
| Circum. inches (mm) | 73.69 (1871.76) | 75.01 (1905.38) | 1.32 (33.62) 1.8% |
| Sidewall Height inches (mm) | 3.23 (82) | 4.44 (112.75) | 1.21 (30.75) 37.5% |
| Revolutions per mile (km) | 859.8 (534.26) | 844.63 (524.83) | -15.17 (-9.43) -1.8% |
205/55-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.36 mph (32.76 km/h) |
| 25 mph (40.23 km/h) | 25.45 mph (40.96 km/h) |
| 30 mph (48.28 km/h) | 30.54 mph (49.15 km/h) |
| 35 mph (56.33 km/h) | 35.63 mph (57.34 km/h) |
| 40 mph (64.37 km/h) | 40.72 mph (65.53 km/h) |
| 45 mph (72.42 km/h) | 45.81 mph (73.72 km/h) |
| 50 mph (80.47 km/h) | 50.9 mph (81.91 km/h) |
| 55 mph (88.51 km/h) | 55.99 mph (90.1 km/h) |
| 60 mph (96.56 km/h) | 61.08 mph (98.29 km/h) |
| 65 mph (104.61 km/h) | 66.17 mph (106.49 km/h) |
| 70 mph (112.65 km/h) | 71.26 mph (114.68 km/h) |
| 75 mph (120.7 km/h) | 76.35 mph (122.87 km/h) |
| 80 mph (128.75 km/h) | 81.44 mph (131.06 km/h) |
| 85 mph (136.79 km/h) | 86.53 mph (139.25 km/h) |
| 90 mph (144.84 km/h) | 91.62 mph (147.44 km/h) |
| 95 mph (152.89 km/h) | 96.71 mph (155.63 km/h) |
| 100 mph (160.93 km/h) | 101.8 mph (163.82 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
