Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 155/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 21.93 (557.1) | 0.74 (18.7) 3.5% |
| Width inches (mm) | 6.5 (165) | 6.1 (155) | -0.39 (-10) -6.1% |
| Circum. inches (mm) | 66.59 (1691.43) | 68.9 (1750.18) | 2.31 (58.75) 3.5% |
| Sidewall Height inches (mm) | 2.6 (66) | 3.97 (100.75) | 1.37 (34.75) 52.7% |
| Revolutions per mile (km) | 951.47 (591.21) | 919.53 (571.37) | -31.94 (-19.85) -3.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.69 mph (33.3 km/h) |
| 25 mph (40.23 km/h) | 25.87 mph (41.63 km/h) |
| 30 mph (48.28 km/h) | 31.04 mph (49.96 km/h) |
| 35 mph (56.33 km/h) | 36.22 mph (58.28 km/h) |
| 40 mph (64.37 km/h) | 41.39 mph (66.61 km/h) |
| 45 mph (72.42 km/h) | 46.56 mph (74.94 km/h) |
| 50 mph (80.47 km/h) | 51.74 mph (83.26 km/h) |
| 55 mph (88.51 km/h) | 56.91 mph (91.59 km/h) |
| 60 mph (96.56 km/h) | 62.08 mph (99.91 km/h) |
| 65 mph (104.61 km/h) | 67.26 mph (108.24 km/h) |
| 70 mph (112.65 km/h) | 72.43 mph (116.57 km/h) |
| 75 mph (120.7 km/h) | 77.6 mph (124.89 km/h) |
| 80 mph (128.75 km/h) | 82.78 mph (133.22 km/h) |
| 85 mph (136.79 km/h) | 87.95 mph (141.55 km/h) |
| 90 mph (144.84 km/h) | 93.13 mph (149.87 km/h) |
| 95 mph (152.89 km/h) | 98.3 mph (158.2 km/h) |
| 100 mph (160.93 km/h) | 103.47 mph (166.52 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
