Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-15 | 205/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.13 (613) | 26.3 (668) | 2.17 (55) 9% |
| Width inches (mm) | 5.71 (145) | 8.07 (205) | 2.36 (60) 41.4% |
| Circum. inches (mm) | 75.82 (1925.8) | 82.62 (2098.58) | 6.8 (172.79) 9% |
| Sidewall Height inches (mm) | 4.57 (116) | 5.65 (143.5) | 1.08 (27.5) 23.7% |
| Revolutions per mile (km) | 835.68 (519.26) | 766.87 (476.51) | -68.81 (-42.75) -8.2% |
205/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.79 mph (35.07 km/h) |
| 25 mph (40.23 km/h) | 27.24 mph (43.84 km/h) |
| 30 mph (48.28 km/h) | 32.69 mph (52.61 km/h) |
| 35 mph (56.33 km/h) | 38.14 mph (61.38 km/h) |
| 40 mph (64.37 km/h) | 43.59 mph (70.15 km/h) |
| 45 mph (72.42 km/h) | 49.04 mph (78.92 km/h) |
| 50 mph (80.47 km/h) | 54.49 mph (87.69 km/h) |
| 55 mph (88.51 km/h) | 59.93 mph (96.46 km/h) |
| 60 mph (96.56 km/h) | 65.38 mph (105.22 km/h) |
| 65 mph (104.61 km/h) | 70.83 mph (113.99 km/h) |
| 70 mph (112.65 km/h) | 76.28 mph (122.76 km/h) |
| 75 mph (120.7 km/h) | 81.73 mph (131.53 km/h) |
| 80 mph (128.75 km/h) | 87.18 mph (140.3 km/h) |
| 85 mph (136.79 km/h) | 92.63 mph (149.07 km/h) |
| 90 mph (144.84 km/h) | 98.08 mph (157.84 km/h) |
| 95 mph (152.89 km/h) | 103.52 mph (166.61 km/h) |
| 100 mph (160.93 km/h) | 108.97 mph (175.37 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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