Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/45-15 | 205/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.68 (601.5) | 23.07 (586) | -0.61 (-15.5) -2.6% |
| Width inches (mm) | 9.65 (245) | 8.07 (205) | -1.57 (-40) -16.3% |
| Circum. inches (mm) | 74.4 (1889.67) | 72.48 (1840.97) | -1.92 (-48.69) -2.6% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 4.04 (102.5) | -0.31 (-7.75) -7% |
| Revolutions per mile (km) | 851.65 (529.19) | 874.18 (543.19) | 22.53 (14) 2.6% |
205/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.48 mph (31.36 km/h) |
| 25 mph (40.23 km/h) | 24.36 mph (39.2 km/h) |
| 30 mph (48.28 km/h) | 29.23 mph (47.04 km/h) |
| 35 mph (56.33 km/h) | 34.1 mph (54.88 km/h) |
| 40 mph (64.37 km/h) | 38.97 mph (62.72 km/h) |
| 45 mph (72.42 km/h) | 43.84 mph (70.55 km/h) |
| 50 mph (80.47 km/h) | 48.71 mph (78.39 km/h) |
| 55 mph (88.51 km/h) | 53.58 mph (86.23 km/h) |
| 60 mph (96.56 km/h) | 58.45 mph (94.07 km/h) |
| 65 mph (104.61 km/h) | 63.33 mph (101.91 km/h) |
| 70 mph (112.65 km/h) | 68.2 mph (109.75 km/h) |
| 75 mph (120.7 km/h) | 73.07 mph (117.59 km/h) |
| 80 mph (128.75 km/h) | 77.94 mph (125.43 km/h) |
| 85 mph (136.79 km/h) | 82.81 mph (133.27 km/h) |
| 90 mph (144.84 km/h) | 87.68 mph (141.11 km/h) |
| 95 mph (152.89 km/h) | 92.55 mph (148.95 km/h) |
| 100 mph (160.93 km/h) | 97.42 mph (156.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2225 | 2584 | 2783 | 2906 | 3039 | 3133 | 3238 | 3361 | 3531 | 3701 | 3891 | 4042 | 4317 | 4620 | 4856 | 5008 | 5093 | 5405 | 5841 | 6787 |
Better Fuel Economy Factory Ratios Increased Power
