Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 27/8.5-15 | 205/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.08 (687.72) | 26.3 (668) | -0.78 (-19.72) -2.9% |
| Width inches (mm) | 8.5 (216) | 8.07 (205) | -0.43 (-11) -5.1% |
| Circum. inches (mm) | 85.06 (2160.54) | 82.62 (2098.58) | -2.44 (-61.95) -2.9% |
| Sidewall Height inches (mm) | 6.04 (153.36) | 5.65 (143.5) | -0.39 (-9.86) -6.4% |
| Revolutions per mile (km) | 744.88 (462.85) | 766.87 (476.51) | 21.99 (13.66) 3% |
205/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.43 mph (31.26 km/h) |
| 25 mph (40.23 km/h) | 24.28 mph (39.08 km/h) |
| 30 mph (48.28 km/h) | 29.14 mph (46.9 km/h) |
| 35 mph (56.33 km/h) | 34 mph (54.71 km/h) |
| 40 mph (64.37 km/h) | 38.85 mph (62.53 km/h) |
| 45 mph (72.42 km/h) | 43.71 mph (70.34 km/h) |
| 50 mph (80.47 km/h) | 48.57 mph (78.16 km/h) |
| 55 mph (88.51 km/h) | 53.42 mph (85.98 km/h) |
| 60 mph (96.56 km/h) | 58.28 mph (93.79 km/h) |
| 65 mph (104.61 km/h) | 63.14 mph (101.61 km/h) |
| 70 mph (112.65 km/h) | 67.99 mph (109.42 km/h) |
| 75 mph (120.7 km/h) | 72.85 mph (117.24 km/h) |
| 80 mph (128.75 km/h) | 77.71 mph (125.06 km/h) |
| 85 mph (136.79 km/h) | 82.56 mph (132.87 km/h) |
| 90 mph (144.84 km/h) | 87.42 mph (140.69 km/h) |
| 95 mph (152.89 km/h) | 92.28 mph (148.5 km/h) |
| 100 mph (160.93 km/h) | 97.13 mph (156.32 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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