Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/90-15 | 205/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.53 (750) | 26.3 (668) | -3.23 (-82) -10.9% |
| Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
| Circum. inches (mm) | 92.76 (2356.19) | 82.62 (2098.58) | -10.14 (-257.61) -10.9% |
| Sidewall Height inches (mm) | 7.26 (184.5) | 5.65 (143.5) | -1.61 (-41) -22.2% |
| Revolutions per mile (km) | 683.03 (424.41) | 766.87 (476.51) | 83.84 (52.1) 12.3% |
205/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.81 mph (28.67 km/h) |
| 25 mph (40.23 km/h) | 22.27 mph (35.83 km/h) |
| 30 mph (48.28 km/h) | 26.72 mph (43 km/h) |
| 35 mph (56.33 km/h) | 31.17 mph (50.17 km/h) |
| 40 mph (64.37 km/h) | 35.63 mph (57.34 km/h) |
| 45 mph (72.42 km/h) | 40.08 mph (64.5 km/h) |
| 50 mph (80.47 km/h) | 44.53 mph (71.67 km/h) |
| 55 mph (88.51 km/h) | 48.99 mph (78.84 km/h) |
| 60 mph (96.56 km/h) | 53.44 mph (86 km/h) |
| 65 mph (104.61 km/h) | 57.89 mph (93.17 km/h) |
| 70 mph (112.65 km/h) | 62.35 mph (100.34 km/h) |
| 75 mph (120.7 km/h) | 66.8 mph (107.5 km/h) |
| 80 mph (128.75 km/h) | 71.25 mph (114.67 km/h) |
| 85 mph (136.79 km/h) | 75.71 mph (121.84 km/h) |
| 90 mph (144.84 km/h) | 80.16 mph (129.01 km/h) |
| 95 mph (152.89 km/h) | 84.61 mph (136.17 km/h) |
| 100 mph (160.93 km/h) | 89.07 mph (143.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1952 | 2267 | 2442 | 2549 | 2666 | 2749 | 2840 | 2948 | 3098 | 3247 | 3413 | 3546 | 3787 | 4053 | 4260 | 4393 | 4468 | 4742 | 5124 | 5954 |
Better Fuel Economy Factory Ratios Increased Power
