Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-14 | 27/8.5-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.91 (683.6) | 26.93 (683.92) | 0.01 (0.32) 0% |
| Width inches (mm) | 8.07 (205) | 8.5 (216) | 0.43 (11) 5.4% |
| Circum. inches (mm) | 84.55 (2147.59) | 84.59 (2148.6) | 0.04 (1.01) 0% |
| Sidewall Height inches (mm) | 6.46 (164) | 6.46 (164.16) | 0.01 (0.16) 0.1% |
| Revolutions per mile (km) | 749.37 (465.64) | 749.02 (465.42) | -0.35 (-0.22) -0% |
27/8.5-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.01 mph (32.2 km/h) |
| 25 mph (40.23 km/h) | 25.01 mph (40.25 km/h) |
| 30 mph (48.28 km/h) | 30.01 mph (48.3 km/h) |
| 35 mph (56.33 km/h) | 35.02 mph (56.35 km/h) |
| 40 mph (64.37 km/h) | 40.02 mph (64.4 km/h) |
| 45 mph (72.42 km/h) | 45.02 mph (72.45 km/h) |
| 50 mph (80.47 km/h) | 50.02 mph (80.51 km/h) |
| 55 mph (88.51 km/h) | 55.03 mph (88.56 km/h) |
| 60 mph (96.56 km/h) | 60.03 mph (96.61 km/h) |
| 65 mph (104.61 km/h) | 65.03 mph (104.66 km/h) |
| 70 mph (112.65 km/h) | 70.03 mph (112.71 km/h) |
| 75 mph (120.7 km/h) | 75.04 mph (120.76 km/h) |
| 80 mph (128.75 km/h) | 80.04 mph (128.81 km/h) |
| 85 mph (136.79 km/h) | 85.04 mph (136.86 km/h) |
| 90 mph (144.84 km/h) | 90.04 mph (144.91 km/h) |
| 95 mph (152.89 km/h) | 95.04 mph (152.96 km/h) |
| 100 mph (160.93 km/h) | 100.05 mph (161.01 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 |
Better Fuel Economy Factory Ratios Increased Power
