Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 165/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 24.09 (612) | 1.65 (42) 7.4% |
| Width inches (mm) | 5.31 (135) | 6.5 (165) | 1.18 (30) 22.2% |
| Circum. inches (mm) | 70.5 (1790.71) | 75.7 (1922.65) | 5.19 (131.95) 7.4% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.55 (115.5) | 0.83 (21) 22.2% |
| Revolutions per mile (km) | 898.72 (558.44) | 837.04 (520.11) | -61.68 (-38.32) -6.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.47 mph (34.56 km/h) |
| 25 mph (40.23 km/h) | 26.84 mph (43.2 km/h) |
| 30 mph (48.28 km/h) | 32.21 mph (51.84 km/h) |
| 35 mph (56.33 km/h) | 37.58 mph (60.48 km/h) |
| 40 mph (64.37 km/h) | 42.95 mph (69.12 km/h) |
| 45 mph (72.42 km/h) | 48.32 mph (77.76 km/h) |
| 50 mph (80.47 km/h) | 53.68 mph (86.4 km/h) |
| 55 mph (88.51 km/h) | 59.05 mph (95.04 km/h) |
| 60 mph (96.56 km/h) | 64.42 mph (103.68 km/h) |
| 65 mph (104.61 km/h) | 69.79 mph (112.32 km/h) |
| 70 mph (112.65 km/h) | 75.16 mph (120.96 km/h) |
| 75 mph (120.7 km/h) | 80.53 mph (129.59 km/h) |
| 80 mph (128.75 km/h) | 85.89 mph (138.23 km/h) |
| 85 mph (136.79 km/h) | 91.26 mph (146.87 km/h) |
| 90 mph (144.84 km/h) | 96.63 mph (155.51 km/h) |
| 95 mph (152.89 km/h) | 102 mph (164.15 km/h) |
| 100 mph (160.93 km/h) | 107.37 mph (172.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2130 | 2475 | 2665 | 2783 | 2910 | 3000 | 3100 | 3218 | 3381 | 3544 | 3725 | 3870 | 4133 | 4423 | 4650 | 4795 | 4877 | 5176 | 5593 | 6499 |
Better Fuel Economy Factory Ratios Increased Power
