Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/65-15 | 165/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.93 (582.5) | 22.15 (562.5) | -0.79 (-20) -3.4% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 72.05 (1829.98) | 69.57 (1767.15) | -2.47 (-62.83) -3.4% |
| Sidewall Height inches (mm) | 3.97 (100.75) | 3.57 (90.75) | -0.39 (-10) -9.9% |
| Revolutions per mile (km) | 879.43 (546.45) | 910.7 (565.88) | 31.27 (19.43) 3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.31 mph (31.08 km/h) |
| 25 mph (40.23 km/h) | 24.14 mph (38.85 km/h) |
| 30 mph (48.28 km/h) | 28.97 mph (46.62 km/h) |
| 35 mph (56.33 km/h) | 33.8 mph (54.39 km/h) |
| 40 mph (64.37 km/h) | 38.63 mph (62.16 km/h) |
| 45 mph (72.42 km/h) | 43.45 mph (69.93 km/h) |
| 50 mph (80.47 km/h) | 48.28 mph (77.7 km/h) |
| 55 mph (88.51 km/h) | 53.11 mph (85.47 km/h) |
| 60 mph (96.56 km/h) | 57.94 mph (93.25 km/h) |
| 65 mph (104.61 km/h) | 62.77 mph (101.02 km/h) |
| 70 mph (112.65 km/h) | 67.6 mph (108.79 km/h) |
| 75 mph (120.7 km/h) | 72.42 mph (116.56 km/h) |
| 80 mph (128.75 km/h) | 77.25 mph (124.33 km/h) |
| 85 mph (136.79 km/h) | 82.08 mph (132.1 km/h) |
| 90 mph (144.84 km/h) | 86.91 mph (139.87 km/h) |
| 95 mph (152.89 km/h) | 91.74 mph (147.64 km/h) |
| 100 mph (160.93 km/h) | 96.57 mph (155.41 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
