Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-14 | 205/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.34 (516.6) | 23.07 (586) | 2.73 (69.4) 13.4% |
| Width inches (mm) | 4.53 (115) | 8.07 (205) | 3.54 (90) 78.3% |
| Circum. inches (mm) | 63.9 (1622.95) | 72.48 (1840.97) | 8.58 (218.03) 13.4% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 4.04 (102.5) | 0.87 (22) 27.3% |
| Revolutions per mile (km) | 991.62 (616.16) | 874.18 (543.19) | -117.44 (-72.97) -11.8% |
205/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.69 mph (36.51 km/h) |
| 25 mph (40.23 km/h) | 28.36 mph (45.64 km/h) |
| 30 mph (48.28 km/h) | 34.03 mph (54.77 km/h) |
| 35 mph (56.33 km/h) | 39.7 mph (63.89 km/h) |
| 40 mph (64.37 km/h) | 45.37 mph (73.02 km/h) |
| 45 mph (72.42 km/h) | 51.05 mph (82.15 km/h) |
| 50 mph (80.47 km/h) | 56.72 mph (91.28 km/h) |
| 55 mph (88.51 km/h) | 62.39 mph (100.41 km/h) |
| 60 mph (96.56 km/h) | 68.06 mph (109.53 km/h) |
| 65 mph (104.61 km/h) | 73.73 mph (118.66 km/h) |
| 70 mph (112.65 km/h) | 79.4 mph (127.79 km/h) |
| 75 mph (120.7 km/h) | 85.08 mph (136.92 km/h) |
| 80 mph (128.75 km/h) | 90.75 mph (146.04 km/h) |
| 85 mph (136.79 km/h) | 96.42 mph (155.17 km/h) |
| 90 mph (144.84 km/h) | 102.09 mph (164.3 km/h) |
| 95 mph (152.89 km/h) | 107.76 mph (173.43 km/h) |
| 100 mph (160.93 km/h) | 113.43 mph (182.55 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
