Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/70-14 | 27/8.5-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 26.93 (683.92) | 1.63 (41.32) 6.4% |
| Width inches (mm) | 8.07 (205) | 8.5 (216) | 0.43 (11) 5.4% |
| Circum. inches (mm) | 79.48 (2018.79) | 84.59 (2148.6) | 5.11 (129.81) 6.4% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 6.46 (164.16) | 0.81 (20.66) 14.4% |
| Revolutions per mile (km) | 797.18 (495.35) | 749.02 (465.42) | -48.16 (-29.93) -6% |
27/8.5-14 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 (51.38 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 (111.33 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) | 85.14 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 (154.15 km/h) |
| 95 mph (152.89 km/h) | 101.11 mph (162.72 km/h) |
| 100 mph (160.93 km/h) | 106.43 mph (171.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1906 | 2214 | 2385 | 2490 | 2604 | 2685 | 2774 | 2879 | 3025 | 3171 | 3334 | 3463 | 3699 | 3958 | 4161 | 4291 | 4364 | 4631 | 5005 | 5816 |
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