Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-14 | 185/56-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.89 (530.6) | 22.16 (562.8) | 1.27 (32.2) 6.1% |
| Width inches (mm) | 4.92 (125) | 7.28 (185) | 2.36 (60) 48% |
| Circum. inches (mm) | 65.63 (1666.93) | 69.61 (1768.09) | 3.98 (101.16) 6.1% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 4.08 (103.6) | 0.63 (16.1) 18.4% |
| Revolutions per mile (km) | 965.45 (599.9) | 910.22 (565.58) | -55.24 (-34.32) -5.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.21 mph (34.14 km/h) |
| 25 mph (40.23 km/h) | 26.52 mph (42.68 km/h) |
| 30 mph (48.28 km/h) | 31.82 mph (51.21 km/h) |
| 35 mph (56.33 km/h) | 37.12 mph (59.75 km/h) |
| 40 mph (64.37 km/h) | 42.43 mph (68.28 km/h) |
| 45 mph (72.42 km/h) | 47.73 mph (76.82 km/h) |
| 50 mph (80.47 km/h) | 53.03 mph (85.35 km/h) |
| 55 mph (88.51 km/h) | 58.34 mph (93.89 km/h) |
| 60 mph (96.56 km/h) | 63.64 mph (102.42 km/h) |
| 65 mph (104.61 km/h) | 68.94 mph (110.96 km/h) |
| 70 mph (112.65 km/h) | 74.25 mph (119.49 km/h) |
| 75 mph (120.7 km/h) | 79.55 mph (128.03 km/h) |
| 80 mph (128.75 km/h) | 84.85 mph (136.56 km/h) |
| 85 mph (136.79 km/h) | 90.16 mph (145.1 km/h) |
| 90 mph (144.84 km/h) | 95.46 mph (153.63 km/h) |
| 95 mph (152.89 km/h) | 100.77 mph (162.17 km/h) |
| 100 mph (160.93 km/h) | 106.07 mph (170.7 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2316 | 2691 | 2898 | 3026 | 3164 | 3263 | 3371 | 3499 | 3677 | 3854 | 4051 | 4209 | 4495 | 4810 | 5056 | 5214 | 5303 | 5628 | 6082 | 7067 |
Better Fuel Economy Factory Ratios Increased Power
