Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/90-17 | 130/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.5 (647.8) | 25.19 (639.8) | -0.31 (-8) -1.2% |
| Width inches (mm) | 4.72 (120) | 5.12 (130) | 0.39 (10) 8.3% |
| Circum. inches (mm) | 80.12 (2035.12) | 79.13 (2009.99) | -0.99 (-25.13) -1.2% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.09 (104) | -0.16 (-4) -3.7% |
| Revolutions per mile (km) | 790.78 (491.37) | 800.67 (497.51) | 9.89 (6.14) 1.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.75 mph (31.79 km/h) |
| 25 mph (40.23 km/h) | 24.69 mph (39.74 km/h) |
| 30 mph (48.28 km/h) | 29.63 mph (47.68 km/h) |
| 35 mph (56.33 km/h) | 34.57 mph (55.63 km/h) |
| 40 mph (64.37 km/h) | 39.51 mph (63.58 km/h) |
| 45 mph (72.42 km/h) | 44.44 mph (71.53 km/h) |
| 50 mph (80.47 km/h) | 49.38 mph (79.47 km/h) |
| 55 mph (88.51 km/h) | 54.32 mph (87.42 km/h) |
| 60 mph (96.56 km/h) | 59.26 mph (95.37 km/h) |
| 65 mph (104.61 km/h) | 64.2 mph (103.32 km/h) |
| 70 mph (112.65 km/h) | 69.14 mph (111.26 km/h) |
| 75 mph (120.7 km/h) | 74.07 mph (119.21 km/h) |
| 80 mph (128.75 km/h) | 79.01 mph (127.16 km/h) |
| 85 mph (136.79 km/h) | 83.95 mph (135.11 km/h) |
| 90 mph (144.84 km/h) | 88.89 mph (143.05 km/h) |
| 95 mph (152.89 km/h) | 93.83 mph (151 km/h) |
| 100 mph (160.93 km/h) | 98.77 mph (158.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2038 | 2367 | 2549 | 2662 | 2783 | 2870 | 2965 | 3078 | 3234 | 3390 | 3564 | 3702 | 3954 | 4231 | 4448 | 4587 | 4665 | 4951 | 5350 | 6217 |
Better Fuel Economy Factory Ratios Increased Power
