Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-15 | 165/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 23.44 (595.5) | -1.3 (-33) -5.3% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 77.74 (1974.49) | 73.65 (1870.82) | -4.08 (-103.67) -5.3% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 4.22 (107.25) | -0.65 (-16.5) -13.3% |
| Revolutions per mile (km) | 815.07 (506.46) | 860.24 (534.52) | 45.17 (28.07) 5.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.95 mph (30.5 km/h) |
| 25 mph (40.23 km/h) | 23.69 mph (38.12 km/h) |
| 30 mph (48.28 km/h) | 28.42 mph (45.75 km/h) |
| 35 mph (56.33 km/h) | 33.16 mph (53.37 km/h) |
| 40 mph (64.37 km/h) | 37.9 mph (60.99 km/h) |
| 45 mph (72.42 km/h) | 42.64 mph (68.62 km/h) |
| 50 mph (80.47 km/h) | 47.37 mph (76.24 km/h) |
| 55 mph (88.51 km/h) | 52.11 mph (83.87 km/h) |
| 60 mph (96.56 km/h) | 56.85 mph (91.49 km/h) |
| 65 mph (104.61 km/h) | 61.59 mph (99.12 km/h) |
| 70 mph (112.65 km/h) | 66.32 mph (106.74 km/h) |
| 75 mph (120.7 km/h) | 71.06 mph (114.36 km/h) |
| 80 mph (128.75 km/h) | 75.8 mph (121.99 km/h) |
| 85 mph (136.79 km/h) | 80.54 mph (129.61 km/h) |
| 90 mph (144.84 km/h) | 85.27 mph (137.24 km/h) |
| 95 mph (152.89 km/h) | 90.01 mph (144.86 km/h) |
| 100 mph (160.93 km/h) | 94.75 mph (152.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2189 | 2543 | 2739 | 2860 | 2990 | 3083 | 3186 | 3307 | 3475 | 3642 | 3829 | 3978 | 4248 | 4546 | 4779 | 4928 | 5012 | 5319 | 5748 | 6679 |
Better Fuel Economy Factory Ratios Increased Power
