Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 165/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 22.09 (561.2) | 1.65 (42) 8.1% |
| Width inches (mm) | 5.31 (135) | 6.5 (165) | 1.18 (30) 22.2% |
| Circum. inches (mm) | 64.22 (1631.11) | 69.41 (1763.06) | 5.19 (131.95) 8.1% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.55 (115.5) | 0.83 (21) 22.2% |
| Revolutions per mile (km) | 986.65 (613.08) | 912.81 (567.19) | -73.84 (-45.88) -7.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.62 mph (34.79 km/h) |
| 25 mph (40.23 km/h) | 27.02 mph (43.49 km/h) |
| 30 mph (48.28 km/h) | 32.43 mph (52.19 km/h) |
| 35 mph (56.33 km/h) | 37.83 mph (60.88 km/h) |
| 40 mph (64.37 km/h) | 43.24 mph (69.58 km/h) |
| 45 mph (72.42 km/h) | 48.64 mph (78.28 km/h) |
| 50 mph (80.47 km/h) | 54.04 mph (86.98 km/h) |
| 55 mph (88.51 km/h) | 59.45 mph (95.67 km/h) |
| 60 mph (96.56 km/h) | 64.85 mph (104.37 km/h) |
| 65 mph (104.61 km/h) | 70.26 mph (113.07 km/h) |
| 70 mph (112.65 km/h) | 75.66 mph (121.77 km/h) |
| 75 mph (120.7 km/h) | 81.07 mph (130.46 km/h) |
| 80 mph (128.75 km/h) | 86.47 mph (139.16 km/h) |
| 85 mph (136.79 km/h) | 91.88 mph (147.86 km/h) |
| 90 mph (144.84 km/h) | 97.28 mph (156.56 km/h) |
| 95 mph (152.89 km/h) | 102.68 mph (165.26 km/h) |
| 100 mph (160.93 km/h) | 108.09 mph (173.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2323 | 2699 | 2906 | 3035 | 3173 | 3272 | 3381 | 3509 | 3687 | 3865 | 4063 | 4221 | 4507 | 4824 | 5071 | 5229 | 5318 | 5644 | 6099 | 7087 |
Better Fuel Economy Factory Ratios Increased Power
