Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 130/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 25.19 (639.8) | -1.97 (-50.1) -7.3% |
| Width inches (mm) | 12.4 (315) | 5.12 (130) | -7.28 (-185) -58.7% |
| Circum. inches (mm) | 85.33 (2167.38) | 79.13 (2009.99) | -6.2 (-157.39) -7.3% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 4.09 (104) | -1.49 (-37.75) -26.6% |
| Revolutions per mile (km) | 742.53 (461.38) | 800.67 (497.51) | 58.14 (36.13) 7.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.55 mph (29.85 km/h) |
| 25 mph (40.23 km/h) | 23.18 mph (37.31 km/h) |
| 30 mph (48.28 km/h) | 27.82 mph (44.77 km/h) |
| 35 mph (56.33 km/h) | 32.46 mph (52.24 km/h) |
| 40 mph (64.37 km/h) | 37.1 mph (59.7 km/h) |
| 45 mph (72.42 km/h) | 41.73 mph (67.16 km/h) |
| 50 mph (80.47 km/h) | 46.37 mph (74.62 km/h) |
| 55 mph (88.51 km/h) | 51.01 mph (82.09 km/h) |
| 60 mph (96.56 km/h) | 55.64 mph (89.55 km/h) |
| 65 mph (104.61 km/h) | 60.28 mph (97.01 km/h) |
| 70 mph (112.65 km/h) | 64.92 mph (104.47 km/h) |
| 75 mph (120.7 km/h) | 69.55 mph (111.94 km/h) |
| 80 mph (128.75 km/h) | 74.19 mph (119.4 km/h) |
| 85 mph (136.79 km/h) | 78.83 mph (126.86 km/h) |
| 90 mph (144.84 km/h) | 83.46 mph (134.32 km/h) |
| 95 mph (152.89 km/h) | 88.1 mph (141.79 km/h) |
| 100 mph (160.93 km/h) | 92.74 mph (149.25 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
