Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/82-14 | 279/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 26.08 (662.5) | 0.78 (19.9) 3.1% |
| Width inches (mm) | 6.89 (175) | 10.98 (279) | 4.09 (104) 59.4% |
| Circum. inches (mm) | 79.48 (2018.79) | 81.94 (2081.31) | 2.46 (62.52) 3.1% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 6.04 (153.45) | 0.39 (9.95) 6.9% |
| Revolutions per mile (km) | 797.18 (495.35) | 773.24 (480.47) | -23.95 (-14.88) -3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.62 mph (33.18 km/h) |
| 25 mph (40.23 km/h) | 25.77 mph (41.48 km/h) |
| 30 mph (48.28 km/h) | 30.93 mph (49.78 km/h) |
| 35 mph (56.33 km/h) | 36.08 mph (58.07 km/h) |
| 40 mph (64.37 km/h) | 41.24 mph (66.37 km/h) |
| 45 mph (72.42 km/h) | 46.39 mph (74.66 km/h) |
| 50 mph (80.47 km/h) | 51.55 mph (82.96 km/h) |
| 55 mph (88.51 km/h) | 56.7 mph (91.26 km/h) |
| 60 mph (96.56 km/h) | 61.86 mph (99.55 km/h) |
| 65 mph (104.61 km/h) | 67.01 mph (107.85 km/h) |
| 70 mph (112.65 km/h) | 72.17 mph (116.14 km/h) |
| 75 mph (120.7 km/h) | 77.32 mph (124.44 km/h) |
| 80 mph (128.75 km/h) | 82.48 mph (132.73 km/h) |
| 85 mph (136.79 km/h) | 87.63 mph (141.03 km/h) |
| 90 mph (144.84 km/h) | 92.79 mph (149.33 km/h) |
| 95 mph (152.89 km/h) | 97.94 mph (157.62 km/h) |
| 100 mph (160.93 km/h) | 103.1 mph (165.92 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1968 | 2286 | 2462 | 2571 | 2688 | 2772 | 2864 | 2973 | 3123 | 3274 | 3441 | 3575 | 3818 | 4086 | 4296 | 4430 | 4505 | 4781 | 5166 | 6004 |
Better Fuel Economy Factory Ratios Increased Power
