Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/75-15 | 205/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.33 (643.5) | 26.3 (668) | 0.96 (24.5) 3.8% |
| Width inches (mm) | 6.89 (175) | 8.07 (205) | 1.18 (30) 17.1% |
| Circum. inches (mm) | 79.59 (2021.61) | 82.62 (2098.58) | 3.03 (76.97) 3.8% |
| Sidewall Height inches (mm) | 5.17 (131.25) | 5.65 (143.5) | 0.48 (12.25) 9.3% |
| Revolutions per mile (km) | 796.07 (494.65) | 766.87 (476.51) | -29.2 (-18.14) -3.7% |
205/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.76 mph (33.41 km/h) |
| 25 mph (40.23 km/h) | 25.95 mph (41.77 km/h) |
| 30 mph (48.28 km/h) | 31.14 mph (50.12 km/h) |
| 35 mph (56.33 km/h) | 36.33 mph (58.47 km/h) |
| 40 mph (64.37 km/h) | 41.52 mph (66.82 km/h) |
| 45 mph (72.42 km/h) | 46.71 mph (75.18 km/h) |
| 50 mph (80.47 km/h) | 51.9 mph (83.53 km/h) |
| 55 mph (88.51 km/h) | 57.09 mph (91.88 km/h) |
| 60 mph (96.56 km/h) | 62.28 mph (100.24 km/h) |
| 65 mph (104.61 km/h) | 67.47 mph (108.59 km/h) |
| 70 mph (112.65 km/h) | 72.67 mph (116.94 km/h) |
| 75 mph (120.7 km/h) | 77.86 mph (125.3 km/h) |
| 80 mph (128.75 km/h) | 83.05 mph (133.65 km/h) |
| 85 mph (136.79 km/h) | 88.24 mph (142 km/h) |
| 90 mph (144.84 km/h) | 93.43 mph (150.36 km/h) |
| 95 mph (152.89 km/h) | 98.62 mph (158.71 km/h) |
| 100 mph (160.93 km/h) | 103.81 mph (167.06 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
