Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-14 | 26/8-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.34 (643.6) | 25.99 (660.1) | 0.65 (16.5) 2.6% |
| Width inches (mm) | 7.09 (180) | 7.99 (203) | 0.91 (23) 12.8% |
| Circum. inches (mm) | 79.6 (2021.93) | 81.64 (2073.77) | 2.04 (51.84) 2.6% |
| Sidewall Height inches (mm) | 5.67 (144) | 5.99 (152.25) | 0.32 (8.25) 5.7% |
| Revolutions per mile (km) | 795.94 (494.58) | 776.05 (482.21) | -19.9 (-12.36) -2.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.51 mph (33.01 km/h) |
| 25 mph (40.23 km/h) | 25.64 mph (41.27 km/h) |
| 30 mph (48.28 km/h) | 30.77 mph (49.52 km/h) |
| 35 mph (56.33 km/h) | 35.9 mph (57.77 km/h) |
| 40 mph (64.37 km/h) | 41.03 mph (66.02 km/h) |
| 45 mph (72.42 km/h) | 46.15 mph (74.28 km/h) |
| 50 mph (80.47 km/h) | 51.28 mph (82.53 km/h) |
| 55 mph (88.51 km/h) | 56.41 mph (90.78 km/h) |
| 60 mph (96.56 km/h) | 61.54 mph (99.04 km/h) |
| 65 mph (104.61 km/h) | 66.67 mph (107.29 km/h) |
| 70 mph (112.65 km/h) | 71.79 mph (115.54 km/h) |
| 75 mph (120.7 km/h) | 76.92 mph (123.8 km/h) |
| 80 mph (128.75 km/h) | 82.05 mph (132.05 km/h) |
| 85 mph (136.79 km/h) | 87.18 mph (140.3 km/h) |
| 90 mph (144.84 km/h) | 92.31 mph (148.55 km/h) |
| 95 mph (152.89 km/h) | 97.44 mph (156.81 km/h) |
| 100 mph (160.93 km/h) | 102.56 mph (165.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1975 | 2294 | 2471 | 2580 | 2698 | 2782 | 2874 | 2983 | 3135 | 3286 | 3454 | 3588 | 3832 | 4101 | 4311 | 4446 | 4521 | 4799 | 5185 | 6026 |
Better Fuel Economy Factory Ratios Increased Power
