Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 165/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 23.44 (595.5) | 1 (25.5) 4.5% |
| Width inches (mm) | 5.31 (135) | 6.5 (165) | 1.18 (30) 22.2% |
| Circum. inches (mm) | 70.5 (1790.71) | 73.65 (1870.82) | 3.15 (80.11) 4.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.22 (107.25) | 0.5 (12.75) 13.5% |
| Revolutions per mile (km) | 898.72 (558.44) | 860.24 (534.52) | -38.48 (-23.91) -4.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.89 mph (33.63 km/h) |
| 25 mph (40.23 km/h) | 26.12 mph (42.03 km/h) |
| 30 mph (48.28 km/h) | 31.34 mph (50.44 km/h) |
| 35 mph (56.33 km/h) | 36.57 mph (58.85 km/h) |
| 40 mph (64.37 km/h) | 41.79 mph (67.25 km/h) |
| 45 mph (72.42 km/h) | 47.01 mph (75.66 km/h) |
| 50 mph (80.47 km/h) | 52.24 mph (84.07 km/h) |
| 55 mph (88.51 km/h) | 57.46 mph (92.47 km/h) |
| 60 mph (96.56 km/h) | 62.68 mph (100.88 km/h) |
| 65 mph (104.61 km/h) | 67.91 mph (109.29 km/h) |
| 70 mph (112.65 km/h) | 73.13 mph (117.69 km/h) |
| 75 mph (120.7 km/h) | 78.36 mph (126.1 km/h) |
| 80 mph (128.75 km/h) | 83.58 mph (134.51 km/h) |
| 85 mph (136.79 km/h) | 88.8 mph (142.91 km/h) |
| 90 mph (144.84 km/h) | 94.03 mph (151.32 km/h) |
| 95 mph (152.89 km/h) | 99.25 mph (159.73 km/h) |
| 100 mph (160.93 km/h) | 104.47 mph (168.13 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
