Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/65-15 | 155/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.93 (582.5) | 21.1 (536) | -1.83 (-46.5) -8% |
| Width inches (mm) | 6.1 (155) | 6.1 (155) | 0 (0) 0% |
| Circum. inches (mm) | 72.05 (1829.98) | 66.3 (1683.89) | -5.75 (-146.08) -8% |
| Sidewall Height inches (mm) | 3.97 (100.75) | 3.05 (77.5) | -0.92 (-23.25) -23.1% |
| Revolutions per mile (km) | 879.43 (546.45) | 955.73 (593.86) | 76.29 (47.41) 8.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.4 mph (29.62 km/h) |
| 25 mph (40.23 km/h) | 23 mph (37.02 km/h) |
| 30 mph (48.28 km/h) | 27.61 mph (44.43 km/h) |
| 35 mph (56.33 km/h) | 32.21 mph (51.83 km/h) |
| 40 mph (64.37 km/h) | 36.81 mph (59.24 km/h) |
| 45 mph (72.42 km/h) | 41.41 mph (66.64 km/h) |
| 50 mph (80.47 km/h) | 46.01 mph (74.04 km/h) |
| 55 mph (88.51 km/h) | 50.61 mph (81.45 km/h) |
| 60 mph (96.56 km/h) | 55.21 mph (88.85 km/h) |
| 65 mph (104.61 km/h) | 59.81 mph (96.26 km/h) |
| 70 mph (112.65 km/h) | 64.41 mph (103.66 km/h) |
| 75 mph (120.7 km/h) | 69.01 mph (111.07 km/h) |
| 80 mph (128.75 km/h) | 73.61 mph (118.47 km/h) |
| 85 mph (136.79 km/h) | 78.21 mph (125.87 km/h) |
| 90 mph (144.84 km/h) | 82.82 mph (133.28 km/h) |
| 95 mph (152.89 km/h) | 87.42 mph (140.68 km/h) |
| 100 mph (160.93 km/h) | 92.02 mph (148.09 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
