Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/65-14 | 175/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.93 (557.1) | 21.58 (548.1) | -0.35 (-9) -1.6% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 68.9 (1750.18) | 67.79 (1721.91) | -1.11 (-28.27) -1.6% |
| Sidewall Height inches (mm) | 3.97 (100.75) | 3.79 (96.25) | -0.18 (-4.5) -4.5% |
| Revolutions per mile (km) | 919.53 (571.37) | 934.63 (580.75) | 15.1 (9.38) 1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.68 mph (31.67 km/h) |
| 25 mph (40.23 km/h) | 24.6 mph (39.58 km/h) |
| 30 mph (48.28 km/h) | 29.52 mph (47.5 km/h) |
| 35 mph (56.33 km/h) | 34.43 mph (55.42 km/h) |
| 40 mph (64.37 km/h) | 39.35 mph (63.33 km/h) |
| 45 mph (72.42 km/h) | 44.27 mph (71.25 km/h) |
| 50 mph (80.47 km/h) | 49.19 mph (79.17 km/h) |
| 55 mph (88.51 km/h) | 54.11 mph (87.08 km/h) |
| 60 mph (96.56 km/h) | 59.03 mph (95 km/h) |
| 65 mph (104.61 km/h) | 63.95 mph (102.92 km/h) |
| 70 mph (112.65 km/h) | 68.87 mph (110.83 km/h) |
| 75 mph (120.7 km/h) | 73.79 mph (118.75 km/h) |
| 80 mph (128.75 km/h) | 78.71 mph (126.67 km/h) |
| 85 mph (136.79 km/h) | 83.63 mph (134.58 km/h) |
| 90 mph (144.84 km/h) | 88.55 mph (142.5 km/h) |
| 95 mph (152.89 km/h) | 93.47 mph (150.42 km/h) |
| 100 mph (160.93 km/h) | 98.38 mph (158.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
