Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/80-15 | 205/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.54 (725) | 26.3 (668) | -2.24 (-57) -7.9% |
| Width inches (mm) | 8.46 (215) | 8.07 (205) | -0.39 (-10) -4.7% |
| Circum. inches (mm) | 89.67 (2277.65) | 82.62 (2098.58) | -7.05 (-179.07) -7.9% |
| Sidewall Height inches (mm) | 6.77 (172) | 5.65 (143.5) | -1.12 (-28.5) -16.6% |
| Revolutions per mile (km) | 706.58 (439.05) | 766.87 (476.51) | 60.29 (37.46) 8.5% |
205/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.43 mph (29.66 km/h) |
| 25 mph (40.23 km/h) | 23.03 mph (37.07 km/h) |
| 30 mph (48.28 km/h) | 27.64 mph (44.48 km/h) |
| 35 mph (56.33 km/h) | 32.25 mph (51.9 km/h) |
| 40 mph (64.37 km/h) | 36.86 mph (59.31 km/h) |
| 45 mph (72.42 km/h) | 41.46 mph (66.73 km/h) |
| 50 mph (80.47 km/h) | 46.07 mph (74.14 km/h) |
| 55 mph (88.51 km/h) | 50.68 mph (81.56 km/h) |
| 60 mph (96.56 km/h) | 55.28 mph (88.97 km/h) |
| 65 mph (104.61 km/h) | 59.89 mph (96.38 km/h) |
| 70 mph (112.65 km/h) | 64.5 mph (103.8 km/h) |
| 75 mph (120.7 km/h) | 69.1 mph (111.21 km/h) |
| 80 mph (128.75 km/h) | 73.71 mph (118.63 km/h) |
| 85 mph (136.79 km/h) | 78.32 mph (126.04 km/h) |
| 90 mph (144.84 km/h) | 82.92 mph (133.45 km/h) |
| 95 mph (152.89 km/h) | 87.53 mph (140.87 km/h) |
| 100 mph (160.93 km/h) | 92.14 mph (148.28 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 |
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