Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-16 | 160/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.56 (598.4) | 26.08 (662.4) | 2.52 (64) 10.7% |
| Width inches (mm) | 4.72 (120) | 6.3 (160) | 1.57 (40) 33.3% |
| Circum. inches (mm) | 74.01 (1879.93) | 81.93 (2080.99) | 7.92 (201.06) 10.7% |
| Sidewall Height inches (mm) | 3.78 (96) | 5.04 (128) | 1.26 (32) 33.3% |
| Revolutions per mile (km) | 856.07 (531.93) | 773.35 (480.54) | -82.71 (-51.39) -9.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.14 mph (35.63 km/h) |
| 25 mph (40.23 km/h) | 27.67 mph (44.54 km/h) |
| 30 mph (48.28 km/h) | 33.21 mph (53.44 km/h) |
| 35 mph (56.33 km/h) | 38.74 mph (62.35 km/h) |
| 40 mph (64.37 km/h) | 44.28 mph (71.26 km/h) |
| 45 mph (72.42 km/h) | 49.81 mph (80.17 km/h) |
| 50 mph (80.47 km/h) | 55.35 mph (89.07 km/h) |
| 55 mph (88.51 km/h) | 60.88 mph (97.98 km/h) |
| 60 mph (96.56 km/h) | 66.42 mph (106.89 km/h) |
| 65 mph (104.61 km/h) | 71.95 mph (115.8 km/h) |
| 70 mph (112.65 km/h) | 77.49 mph (124.7 km/h) |
| 75 mph (120.7 km/h) | 83.02 mph (133.61 km/h) |
| 80 mph (128.75 km/h) | 88.56 mph (142.52 km/h) |
| 85 mph (136.79 km/h) | 94.09 mph (151.42 km/h) |
| 90 mph (144.84 km/h) | 99.63 mph (160.33 km/h) |
| 95 mph (152.89 km/h) | 105.16 mph (169.24 km/h) |
| 100 mph (160.93 km/h) | 110.7 mph (178.15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1968 | 2286 | 2462 | 2571 | 2688 | 2772 | 2864 | 2973 | 3124 | 3274 | 3442 | 3576 | 3819 | 4087 | 4296 | 4430 | 4506 | 4782 | 5167 | 6005 |
Better Fuel Economy Factory Ratios Increased Power
