Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/85-14 | 27/8.5-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.39 (721.1) | 26.93 (683.92) | -1.46 (-37.18) -5.2% |
| Width inches (mm) | 8.46 (215) | 8.5 (216) | 0.04 (1) 0.5% |
| Circum. inches (mm) | 89.19 (2265.4) | 84.59 (2148.6) | -4.6 (-116.8) -5.2% |
| Sidewall Height inches (mm) | 7.19 (182.75) | 6.46 (164.16) | -0.73 (-18.59) -10.2% |
| Revolutions per mile (km) | 710.4 (441.42) | 749.02 (465.42) | 38.62 (24) 5.4% |
27/8.5-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.97 mph (30.53 km/h) |
| 25 mph (40.23 km/h) | 23.71 mph (38.16 km/h) |
| 30 mph (48.28 km/h) | 28.45 mph (45.79 km/h) |
| 35 mph (56.33 km/h) | 33.2 mph (53.42 km/h) |
| 40 mph (64.37 km/h) | 37.94 mph (61.05 km/h) |
| 45 mph (72.42 km/h) | 42.68 mph (68.69 km/h) |
| 50 mph (80.47 km/h) | 47.42 mph (76.32 km/h) |
| 55 mph (88.51 km/h) | 52.16 mph (83.95 km/h) |
| 60 mph (96.56 km/h) | 56.91 mph (91.58 km/h) |
| 65 mph (104.61 km/h) | 61.65 mph (99.21 km/h) |
| 70 mph (112.65 km/h) | 66.39 mph (106.85 km/h) |
| 75 mph (120.7 km/h) | 71.13 mph (114.48 km/h) |
| 80 mph (128.75 km/h) | 75.88 mph (122.11 km/h) |
| 85 mph (136.79 km/h) | 80.62 mph (129.74 km/h) |
| 90 mph (144.84 km/h) | 85.36 mph (137.37 km/h) |
| 95 mph (152.89 km/h) | 90.1 mph (145.01 km/h) |
| 100 mph (160.93 km/h) | 94.84 mph (152.64 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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