Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/70-16 | 255/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.3 (693.4) | 29.06 (738) | 1.76 (44.6) 6.4% |
| Width inches (mm) | 8.07 (205) | 10.04 (255) | 1.97 (50) 24.4% |
| Circum. inches (mm) | 85.76 (2178.38) | 91.28 (2318.5) | 5.52 (140.12) 6.4% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 7.03 (178.5) | 1.38 (35) 24.4% |
| Revolutions per mile (km) | 738.78 (459.06) | 694.13 (431.31) | -44.65 (-27.74) -6% |
255/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.29 mph (34.26 km/h) |
| 25 mph (40.23 km/h) | 26.61 mph (42.82 km/h) |
| 30 mph (48.28 km/h) | 31.93 mph (51.39 km/h) |
| 35 mph (56.33 km/h) | 37.25 mph (59.95 km/h) |
| 40 mph (64.37 km/h) | 42.57 mph (68.51 km/h) |
| 45 mph (72.42 km/h) | 47.89 mph (77.08 km/h) |
| 50 mph (80.47 km/h) | 53.22 mph (85.64 km/h) |
| 55 mph (88.51 km/h) | 58.54 mph (94.21 km/h) |
| 60 mph (96.56 km/h) | 63.86 mph (102.77 km/h) |
| 65 mph (104.61 km/h) | 69.18 mph (111.34 km/h) |
| 70 mph (112.65 km/h) | 74.5 mph (119.9 km/h) |
| 75 mph (120.7 km/h) | 79.82 mph (128.46 km/h) |
| 80 mph (128.75 km/h) | 85.15 mph (137.03 km/h) |
| 85 mph (136.79 km/h) | 90.47 mph (145.59 km/h) |
| 90 mph (144.84 km/h) | 95.79 mph (154.16 km/h) |
| 95 mph (152.89 km/h) | 101.11 mph (162.72 km/h) |
| 100 mph (160.93 km/h) | 106.43 mph (171.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1766 | 2052 | 2210 | 2308 | 2413 | 2488 | 2571 | 2668 | 2804 | 2939 | 3089 | 3210 | 3428 | 3668 | 3856 | 3976 | 4044 | 4292 | 4638 | 5390 |
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