Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-16 | 120/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.5 (622.4) | 24.56 (623.8) | 0.06 (1.4) 0.2% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 76.98 (1955.33) | 77.15 (1959.73) | 0.17 (4.4) 0.2% |
| Sidewall Height inches (mm) | 4.25 (108) | 3.78 (96) | -0.47 (-12) -11.1% |
| Revolutions per mile (km) | 823.06 (511.42) | 821.21 (510.27) | -1.85 (-1.15) -0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.04 mph (32.26 km/h) |
| 25 mph (40.23 km/h) | 25.06 mph (40.32 km/h) |
| 30 mph (48.28 km/h) | 30.07 mph (48.39 km/h) |
| 35 mph (56.33 km/h) | 35.08 mph (56.45 km/h) |
| 40 mph (64.37 km/h) | 40.09 mph (64.52 km/h) |
| 45 mph (72.42 km/h) | 45.1 mph (72.58 km/h) |
| 50 mph (80.47 km/h) | 50.11 mph (80.65 km/h) |
| 55 mph (88.51 km/h) | 55.12 mph (88.71 km/h) |
| 60 mph (96.56 km/h) | 60.13 mph (96.78 km/h) |
| 65 mph (104.61 km/h) | 65.15 mph (104.84 km/h) |
| 70 mph (112.65 km/h) | 70.16 mph (112.91 km/h) |
| 75 mph (120.7 km/h) | 75.17 mph (120.97 km/h) |
| 80 mph (128.75 km/h) | 80.18 mph (129.04 km/h) |
| 85 mph (136.79 km/h) | 85.19 mph (137.1 km/h) |
| 90 mph (144.84 km/h) | 90.2 mph (145.17 km/h) |
| 95 mph (152.89 km/h) | 95.21 mph (153.23 km/h) |
| 100 mph (160.93 km/h) | 100.22 mph (161.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2090 | 2428 | 2614 | 2730 | 2855 | 2944 | 3041 | 3157 | 3317 | 3477 | 3655 | 3797 | 4055 | 4340 | 4562 | 4704 | 4784 | 5078 | 5487 | 6376 |
Better Fuel Economy Factory Ratios Increased Power
