Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-14 | 27/7.5-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.86 (580.6) | 27.08 (687.94) | 4.23 (107.34) 18.5% |
| Width inches (mm) | 8.86 (225) | 7.52 (191) | -1.34 (-34) -15.1% |
| Circum. inches (mm) | 71.81 (1824.01) | 85.09 (2161.23) | 13.28 (337.22) 18.5% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 6.54 (166.17) | 2.11 (53.67) 47.7% |
| Revolutions per mile (km) | 882.31 (548.24) | 744.64 (462.7) | -137.67 (-85.54) -15.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.7 mph (38.14 km/h) |
| 25 mph (40.23 km/h) | 29.62 mph (47.67 km/h) |
| 30 mph (48.28 km/h) | 35.55 mph (57.21 km/h) |
| 35 mph (56.33 km/h) | 41.47 mph (66.74 km/h) |
| 40 mph (64.37 km/h) | 47.4 mph (76.28 km/h) |
| 45 mph (72.42 km/h) | 53.32 mph (85.81 km/h) |
| 50 mph (80.47 km/h) | 59.24 mph (95.34 km/h) |
| 55 mph (88.51 km/h) | 65.17 mph (104.88 km/h) |
| 60 mph (96.56 km/h) | 71.09 mph (114.41 km/h) |
| 65 mph (104.61 km/h) | 77.02 mph (123.95 km/h) |
| 70 mph (112.65 km/h) | 82.94 mph (133.48 km/h) |
| 75 mph (120.7 km/h) | 88.87 mph (143.02 km/h) |
| 80 mph (128.75 km/h) | 94.79 mph (152.55 km/h) |
| 85 mph (136.79 km/h) | 100.71 mph (162.08 km/h) |
| 90 mph (144.84 km/h) | 106.64 mph (171.62 km/h) |
| 95 mph (152.89 km/h) | 112.56 mph (181.15 km/h) |
| 100 mph (160.93 km/h) | 118.49 mph (190.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1895 | 2201 | 2371 | 2476 | 2588 | 2669 | 2758 | 2863 | 3008 | 3153 | 3314 | 3443 | 3677 | 3935 | 4137 | 4266 | 4338 | 4604 | 4975 | 5782 |
Better Fuel Economy Factory Ratios Increased Power
