Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/80-14 | 27/9-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.54 (699.6) | 26.98 (685.36) | -0.56 (-14.24) -2% |
| Width inches (mm) | 8.46 (215) | 9.02 (229) | 0.55 (14) 6.5% |
| Circum. inches (mm) | 86.53 (2197.86) | 84.77 (2153.12) | -1.76 (-44.74) -2% |
| Sidewall Height inches (mm) | 6.77 (172) | 6.49 (164.88) | -0.28 (-7.12) -4.1% |
| Revolutions per mile (km) | 732.23 (454.99) | 747.45 (464.44) | 15.21 (9.45) 2.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.59 mph (31.53 km/h) |
| 25 mph (40.23 km/h) | 24.49 mph (39.41 km/h) |
| 30 mph (48.28 km/h) | 29.39 mph (47.3 km/h) |
| 35 mph (56.33 km/h) | 34.29 mph (55.18 km/h) |
| 40 mph (64.37 km/h) | 39.19 mph (63.06 km/h) |
| 45 mph (72.42 km/h) | 44.08 mph (70.95 km/h) |
| 50 mph (80.47 km/h) | 48.98 mph (78.83 km/h) |
| 55 mph (88.51 km/h) | 53.88 mph (86.71 km/h) |
| 60 mph (96.56 km/h) | 58.78 mph (94.6 km/h) |
| 65 mph (104.61 km/h) | 63.68 mph (102.48 km/h) |
| 70 mph (112.65 km/h) | 68.58 mph (110.36 km/h) |
| 75 mph (120.7 km/h) | 73.47 mph (118.24 km/h) |
| 80 mph (128.75 km/h) | 78.37 mph (126.13 km/h) |
| 85 mph (136.79 km/h) | 83.27 mph (134.01 km/h) |
| 90 mph (144.84 km/h) | 88.17 mph (141.89 km/h) |
| 95 mph (152.89 km/h) | 93.07 mph (149.78 km/h) |
| 100 mph (160.93 km/h) | 97.96 mph (157.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1902 | 2210 | 2380 | 2485 | 2598 | 2679 | 2768 | 2873 | 3019 | 3165 | 3327 | 3456 | 3691 | 3950 | 4152 | 4282 | 4355 | 4622 | 4994 | 5803 |
Better Fuel Economy Factory Ratios Increased Power
