Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/50-14 | 165/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.28 (540.6) | 21.15 (537.1) | -0.14 (-3.5) -0.6% |
| Width inches (mm) | 7.28 (185) | 6.5 (165) | -0.79 (-20) -10.8% |
| Circum. inches (mm) | 66.86 (1698.34) | 66.43 (1687.35) | -0.43 (-11) -0.6% |
| Sidewall Height inches (mm) | 3.64 (92.5) | 3.57 (90.75) | -0.07 (-1.75) -1.9% |
| Revolutions per mile (km) | 947.6 (588.81) | 953.77 (592.64) | 6.17 (3.84) 0.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.87 mph (31.98 km/h) |
| 25 mph (40.23 km/h) | 24.84 mph (39.97 km/h) |
| 30 mph (48.28 km/h) | 29.81 mph (47.97 km/h) |
| 35 mph (56.33 km/h) | 34.77 mph (55.96 km/h) |
| 40 mph (64.37 km/h) | 39.74 mph (63.96 km/h) |
| 45 mph (72.42 km/h) | 44.71 mph (71.95 km/h) |
| 50 mph (80.47 km/h) | 49.68 mph (79.95 km/h) |
| 55 mph (88.51 km/h) | 54.64 mph (87.94 km/h) |
| 60 mph (96.56 km/h) | 59.61 mph (95.94 km/h) |
| 65 mph (104.61 km/h) | 64.58 mph (103.93 km/h) |
| 70 mph (112.65 km/h) | 69.55 mph (111.92 km/h) |
| 75 mph (120.7 km/h) | 74.51 mph (119.92 km/h) |
| 80 mph (128.75 km/h) | 79.48 mph (127.91 km/h) |
| 85 mph (136.79 km/h) | 84.45 mph (135.91 km/h) |
| 90 mph (144.84 km/h) | 89.42 mph (143.9 km/h) |
| 95 mph (152.89 km/h) | 94.38 mph (151.9 km/h) |
| 100 mph (160.93 km/h) | 99.35 mph (159.89 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
