Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/80-14 | 27/8.5-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.28 (667.6) | 26.93 (683.92) | 0.64 (16.32) 2.4% |
| Width inches (mm) | 7.68 (195) | 8.5 (216) | 0.83 (21) 10.8% |
| Circum. inches (mm) | 82.57 (2097.33) | 84.59 (2148.6) | 2.02 (51.27) 2.4% |
| Sidewall Height inches (mm) | 6.14 (156) | 6.46 (164.16) | 0.32 (8.16) 5.2% |
| Revolutions per mile (km) | 767.33 (476.8) | 749.02 (465.42) | -18.31 (-11.38) -2.4% |
27/8.5-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.49 mph (32.97 km/h) |
| 25 mph (40.23 km/h) | 25.61 mph (41.22 km/h) |
| 30 mph (48.28 km/h) | 30.73 mph (49.46 km/h) |
| 35 mph (56.33 km/h) | 35.86 mph (57.7 km/h) |
| 40 mph (64.37 km/h) | 40.98 mph (65.95 km/h) |
| 45 mph (72.42 km/h) | 46.1 mph (74.19 km/h) |
| 50 mph (80.47 km/h) | 51.22 mph (82.43 km/h) |
| 55 mph (88.51 km/h) | 56.34 mph (90.68 km/h) |
| 60 mph (96.56 km/h) | 61.47 mph (98.92 km/h) |
| 65 mph (104.61 km/h) | 66.59 mph (107.16 km/h) |
| 70 mph (112.65 km/h) | 71.71 mph (115.41 km/h) |
| 75 mph (120.7 km/h) | 76.83 mph (123.65 km/h) |
| 80 mph (128.75 km/h) | 81.96 mph (131.9 km/h) |
| 85 mph (136.79 km/h) | 87.08 mph (140.14 km/h) |
| 90 mph (144.84 km/h) | 92.2 mph (148.38 km/h) |
| 95 mph (152.89 km/h) | 97.32 mph (156.63 km/h) |
| 100 mph (160.93 km/h) | 102.44 mph (164.87 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
