Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/50-15 | 165/45-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.5 (546) | 21.85 (554.9) | 0.35 (8.9) 1.6% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 67.53 (1715.31) | 68.63 (1743.27) | 1.1 (27.96) 1.6% |
| Sidewall Height inches (mm) | 3.25 (82.5) | 2.92 (74.25) | -0.32 (-8.25) -10% |
| Revolutions per mile (km) | 938.22 (582.98) | 923.18 (573.63) | -15.05 (-9.35) -1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.33 mph (32.71 km/h) |
| 25 mph (40.23 km/h) | 25.41 mph (40.89 km/h) |
| 30 mph (48.28 km/h) | 30.49 mph (49.07 km/h) |
| 35 mph (56.33 km/h) | 35.57 mph (57.25 km/h) |
| 40 mph (64.37 km/h) | 40.65 mph (65.42 km/h) |
| 45 mph (72.42 km/h) | 45.73 mph (73.6 km/h) |
| 50 mph (80.47 km/h) | 50.82 mph (81.78 km/h) |
| 55 mph (88.51 km/h) | 55.9 mph (89.96 km/h) |
| 60 mph (96.56 km/h) | 60.98 mph (98.13 km/h) |
| 65 mph (104.61 km/h) | 66.06 mph (106.31 km/h) |
| 70 mph (112.65 km/h) | 71.14 mph (114.49 km/h) |
| 75 mph (120.7 km/h) | 76.22 mph (122.67 km/h) |
| 80 mph (128.75 km/h) | 81.3 mph (130.85 km/h) |
| 85 mph (136.79 km/h) | 86.39 mph (139.02 km/h) |
| 90 mph (144.84 km/h) | 91.47 mph (147.2 km/h) |
| 95 mph (152.89 km/h) | 96.55 mph (155.38 km/h) |
| 100 mph (160.93 km/h) | 101.63 mph (163.56 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
