Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/80-16 | 180/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.08 (662.4) | 25.92 (658.4) | -0.16 (-4) -0.6% |
| Width inches (mm) | 6.3 (160) | 7.09 (180) | 0.79 (20) 12.5% |
| Circum. inches (mm) | 81.93 (2080.99) | 81.43 (2068.42) | -0.49 (-12.57) -0.6% |
| Sidewall Height inches (mm) | 5.04 (128) | 4.96 (126) | -0.08 (-2) -1.6% |
| Revolutions per mile (km) | 773.35 (480.54) | 778.05 (483.46) | 4.7 (2.92) 0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.88 mph (31.99 km/h) |
| 25 mph (40.23 km/h) | 24.85 mph (39.99 km/h) |
| 30 mph (48.28 km/h) | 29.82 mph (47.99 km/h) |
| 35 mph (56.33 km/h) | 34.79 mph (55.99 km/h) |
| 40 mph (64.37 km/h) | 39.76 mph (63.99 km/h) |
| 45 mph (72.42 km/h) | 44.73 mph (71.98 km/h) |
| 50 mph (80.47 km/h) | 49.7 mph (79.98 km/h) |
| 55 mph (88.51 km/h) | 54.67 mph (87.98 km/h) |
| 60 mph (96.56 km/h) | 59.64 mph (95.98 km/h) |
| 65 mph (104.61 km/h) | 64.61 mph (103.98 km/h) |
| 70 mph (112.65 km/h) | 69.58 mph (111.97 km/h) |
| 75 mph (120.7 km/h) | 74.55 mph (119.97 km/h) |
| 80 mph (128.75 km/h) | 79.52 mph (127.97 km/h) |
| 85 mph (136.79 km/h) | 84.49 mph (135.97 km/h) |
| 90 mph (144.84 km/h) | 89.46 mph (143.97 km/h) |
| 95 mph (152.89 km/h) | 94.43 mph (151.96 km/h) |
| 100 mph (160.93 km/h) | 99.4 mph (159.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1980 | 2300 | 2477 | 2587 | 2705 | 2789 | 2882 | 2991 | 3143 | 3294 | 3463 | 3598 | 3842 | 4112 | 4322 | 4457 | 4533 | 4811 | 5199 | 6041 |
Better Fuel Economy Factory Ratios Increased Power
