Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/55-16 | 155/55-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.58 (598.9) | 22.71 (576.9) | -0.87 (-22) -3.7% |
| Width inches (mm) | 6.89 (175) | 6.1 (155) | -0.79 (-20) -11.4% |
| Circum. inches (mm) | 74.07 (1881.5) | 71.35 (1812.38) | -2.72 (-69.12) -3.7% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 3.36 (85.25) | -0.43 (-11) -11.4% |
| Revolutions per mile (km) | 855.35 (531.49) | 887.97 (551.76) | 32.62 (20.27) 3.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.27 mph (31 km/h) |
| 25 mph (40.23 km/h) | 24.08 mph (38.76 km/h) |
| 30 mph (48.28 km/h) | 28.9 mph (46.51 km/h) |
| 35 mph (56.33 km/h) | 33.71 mph (54.26 km/h) |
| 40 mph (64.37 km/h) | 38.53 mph (62.01 km/h) |
| 45 mph (72.42 km/h) | 43.35 mph (69.76 km/h) |
| 50 mph (80.47 km/h) | 48.16 mph (77.51 km/h) |
| 55 mph (88.51 km/h) | 52.98 mph (85.26 km/h) |
| 60 mph (96.56 km/h) | 57.8 mph (93.01 km/h) |
| 65 mph (104.61 km/h) | 62.61 mph (100.76 km/h) |
| 70 mph (112.65 km/h) | 67.43 mph (108.52 km/h) |
| 75 mph (120.7 km/h) | 72.24 mph (116.27 km/h) |
| 80 mph (128.75 km/h) | 77.06 mph (124.02 km/h) |
| 85 mph (136.79 km/h) | 81.88 mph (131.77 km/h) |
| 90 mph (144.84 km/h) | 86.69 mph (139.52 km/h) |
| 95 mph (152.89 km/h) | 91.51 mph (147.27 km/h) |
| 100 mph (160.93 km/h) | 96.33 mph (155.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2260 | 2625 | 2827 | 2952 | 3087 | 3183 | 3289 | 3414 | 3587 | 3760 | 3952 | 4106 | 4385 | 4693 | 4933 | 5087 | 5173 | 5491 | 5933 | 6895 |
Better Fuel Economy Factory Ratios Increased Power
