Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-14 | 165/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.15 (537.1) | 22.15 (562.5) | 1 (25.4) 4.7% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 66.43 (1687.35) | 69.57 (1767.15) | 3.14 (79.8) 4.7% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 3.57 (90.75) | 0 (0) 0% |
| Revolutions per mile (km) | 953.77 (592.64) | 910.7 (565.88) | -43.07 (-26.76) -4.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.95 mph (33.71 km/h) |
| 25 mph (40.23 km/h) | 26.18 mph (42.14 km/h) |
| 30 mph (48.28 km/h) | 31.42 mph (50.56 km/h) |
| 35 mph (56.33 km/h) | 36.66 mph (58.99 km/h) |
| 40 mph (64.37 km/h) | 41.89 mph (67.42 km/h) |
| 45 mph (72.42 km/h) | 47.13 mph (75.85 km/h) |
| 50 mph (80.47 km/h) | 52.36 mph (84.27 km/h) |
| 55 mph (88.51 km/h) | 57.6 mph (92.7 km/h) |
| 60 mph (96.56 km/h) | 62.84 mph (101.13 km/h) |
| 65 mph (104.61 km/h) | 68.07 mph (109.55 km/h) |
| 70 mph (112.65 km/h) | 73.31 mph (117.98 km/h) |
| 75 mph (120.7 km/h) | 78.55 mph (126.41 km/h) |
| 80 mph (128.75 km/h) | 83.78 mph (134.84 km/h) |
| 85 mph (136.79 km/h) | 89.02 mph (143.26 km/h) |
| 90 mph (144.84 km/h) | 94.26 mph (151.69 km/h) |
| 95 mph (152.89 km/h) | 99.49 mph (160.12 km/h) |
| 100 mph (160.93 km/h) | 104.73 mph (168.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2318 | 2692 | 2899 | 3028 | 3166 | 3264 | 3373 | 3501 | 3679 | 3856 | 4053 | 4211 | 4497 | 4813 | 5059 | 5217 | 5306 | 5631 | 6085 | 7071 |
Better Fuel Economy Factory Ratios Increased Power
