Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/70-16 | 180/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.92 (658.4) | 24.5 (622.4) | -1.42 (-36) -5.5% |
| Width inches (mm) | 7.09 (180) | 7.09 (180) | 0 (0) 0% |
| Circum. inches (mm) | 81.43 (2068.42) | 76.98 (1955.33) | -4.45 (-113.1) -5.5% |
| Sidewall Height inches (mm) | 4.96 (126) | 4.25 (108) | -0.71 (-18) -14.3% |
| Revolutions per mile (km) | 778.05 (483.46) | 823.06 (511.42) | 45 (27.96) 5.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.91 mph (30.43 km/h) |
| 25 mph (40.23 km/h) | 23.63 mph (38.03 km/h) |
| 30 mph (48.28 km/h) | 28.36 mph (45.64 km/h) |
| 35 mph (56.33 km/h) | 33.09 mph (53.25 km/h) |
| 40 mph (64.37 km/h) | 37.81 mph (60.85 km/h) |
| 45 mph (72.42 km/h) | 42.54 mph (68.46 km/h) |
| 50 mph (80.47 km/h) | 47.27 mph (76.07 km/h) |
| 55 mph (88.51 km/h) | 51.99 mph (83.67 km/h) |
| 60 mph (96.56 km/h) | 56.72 mph (91.28 km/h) |
| 65 mph (104.61 km/h) | 61.45 mph (98.89 km/h) |
| 70 mph (112.65 km/h) | 66.17 mph (106.49 km/h) |
| 75 mph (120.7 km/h) | 70.9 mph (114.1 km/h) |
| 80 mph (128.75 km/h) | 75.63 mph (121.71 km/h) |
| 85 mph (136.79 km/h) | 80.35 mph (129.31 km/h) |
| 90 mph (144.84 km/h) | 85.08 mph (136.92 km/h) |
| 95 mph (152.89 km/h) | 89.81 mph (144.53 km/h) |
| 100 mph (160.93 km/h) | 94.53 mph (152.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2095 | 2433 | 2620 | 2736 | 2861 | 2950 | 3048 | 3164 | 3324 | 3485 | 3663 | 3806 | 4064 | 4349 | 4572 | 4715 | 4795 | 5089 | 5499 | 6391 |
Better Fuel Economy Factory Ratios Increased Power
