Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/70-16 | 180/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.92 (658.4) | 26.63 (676.4) | 0.71 (18) 2.7% |
| Width inches (mm) | 7.09 (180) | 7.09 (180) | 0 (0) 0% |
| Circum. inches (mm) | 81.43 (2068.42) | 83.66 (2124.97) | 2.23 (56.55) 2.7% |
| Sidewall Height inches (mm) | 4.96 (126) | 5.31 (135) | 0.35 (9) 7.1% |
| Revolutions per mile (km) | 778.05 (483.46) | 757.35 (470.59) | -20.71 (-12.87) -2.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.55 mph (33.07 km/h) |
| 25 mph (40.23 km/h) | 25.68 mph (41.33 km/h) |
| 30 mph (48.28 km/h) | 30.82 mph (49.6 km/h) |
| 35 mph (56.33 km/h) | 35.96 mph (57.87 km/h) |
| 40 mph (64.37 km/h) | 41.09 mph (66.13 km/h) |
| 45 mph (72.42 km/h) | 46.23 mph (74.4 km/h) |
| 50 mph (80.47 km/h) | 51.37 mph (82.67 km/h) |
| 55 mph (88.51 km/h) | 56.5 mph (90.93 km/h) |
| 60 mph (96.56 km/h) | 61.64 mph (99.2 km/h) |
| 65 mph (104.61 km/h) | 66.78 mph (107.47 km/h) |
| 70 mph (112.65 km/h) | 71.91 mph (115.73 km/h) |
| 75 mph (120.7 km/h) | 77.05 mph (124 km/h) |
| 80 mph (128.75 km/h) | 82.19 mph (132.27 km/h) |
| 85 mph (136.79 km/h) | 87.32 mph (140.53 km/h) |
| 90 mph (144.84 km/h) | 92.46 mph (148.8 km/h) |
| 95 mph (152.89 km/h) | 97.6 mph (157.07 km/h) |
| 100 mph (160.93 km/h) | 102.73 mph (165.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1927 | 2239 | 2411 | 2518 | 2633 | 2715 | 2805 | 2911 | 3059 | 3207 | 3371 | 3502 | 3740 | 4002 | 4207 | 4338 | 4412 | 4683 | 5060 | 5880 |
Better Fuel Economy Factory Ratios Increased Power
