Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/65-14 | 155/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.93 (557.1) | 23.76 (603.6) | 1.83 (46.5) 8.3% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 68.9 (1750.18) | 74.66 (1896.27) | 5.75 (146.08) 8.3% |
| Sidewall Height inches (mm) | 3.97 (100.75) | 4.88 (124) | 0.92 (23.25) 23.1% |
| Revolutions per mile (km) | 919.53 (571.37) | 848.69 (527.35) | -70.84 (-44.02) -7.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.67 mph (34.87 km/h) |
| 25 mph (40.23 km/h) | 27.09 mph (43.59 km/h) |
| 30 mph (48.28 km/h) | 32.5 mph (52.31 km/h) |
| 35 mph (56.33 km/h) | 37.92 mph (61.03 km/h) |
| 40 mph (64.37 km/h) | 43.34 mph (69.75 km/h) |
| 45 mph (72.42 km/h) | 48.76 mph (78.47 km/h) |
| 50 mph (80.47 km/h) | 54.17 mph (87.18 km/h) |
| 55 mph (88.51 km/h) | 59.59 mph (95.9 km/h) |
| 60 mph (96.56 km/h) | 65.01 mph (104.62 km/h) |
| 65 mph (104.61 km/h) | 70.43 mph (113.34 km/h) |
| 70 mph (112.65 km/h) | 75.84 mph (122.06 km/h) |
| 75 mph (120.7 km/h) | 81.26 mph (130.78 km/h) |
| 80 mph (128.75 km/h) | 86.68 mph (139.49 km/h) |
| 85 mph (136.79 km/h) | 92.09 mph (148.21 km/h) |
| 90 mph (144.84 km/h) | 97.51 mph (156.93 km/h) |
| 95 mph (152.89 km/h) | 102.93 mph (165.65 km/h) |
| 100 mph (160.93 km/h) | 108.35 mph (174.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2160 | 2509 | 2702 | 2821 | 2950 | 3042 | 3143 | 3263 | 3428 | 3593 | 3777 | 3924 | 4191 | 4485 | 4715 | 4862 | 4944 | 5248 | 5671 | 6590 |
Better Fuel Economy Factory Ratios Increased Power
