Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 325/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 31.35 (796.4) | 4.19 (106.5) 15.4% |
| Width inches (mm) | 12.4 (315) | 12.8 (325) | 0.39 (10) 3.2% |
| Circum. inches (mm) | 85.33 (2167.38) | 98.5 (2501.96) | 13.17 (334.58) 15.4% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 7.68 (195) | 2.1 (53.25) 37.6% |
| Revolutions per mile (km) | 742.53 (461.38) | 643.23 (399.69) | -99.3 (-61.7) -13.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.09 mph (37.16 km/h) |
| 25 mph (40.23 km/h) | 28.86 mph (46.44 km/h) |
| 30 mph (48.28 km/h) | 34.63 mph (55.73 km/h) |
| 35 mph (56.33 km/h) | 40.4 mph (65.02 km/h) |
| 40 mph (64.37 km/h) | 46.17 mph (74.31 km/h) |
| 45 mph (72.42 km/h) | 51.95 mph (83.6 km/h) |
| 50 mph (80.47 km/h) | 57.72 mph (92.89 km/h) |
| 55 mph (88.51 km/h) | 63.49 mph (102.18 km/h) |
| 60 mph (96.56 km/h) | 69.26 mph (111.47 km/h) |
| 65 mph (104.61 km/h) | 75.03 mph (120.76 km/h) |
| 70 mph (112.65 km/h) | 80.81 mph (130.04 km/h) |
| 75 mph (120.7 km/h) | 86.58 mph (139.33 km/h) |
| 80 mph (128.75 km/h) | 92.35 mph (148.62 km/h) |
| 85 mph (136.79 km/h) | 98.12 mph (157.91 km/h) |
| 90 mph (144.84 km/h) | 103.89 mph (167.2 km/h) |
| 95 mph (152.89 km/h) | 109.67 mph (176.49 km/h) |
| 100 mph (160.93 km/h) | 115.44 mph (185.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1637 | 1902 | 2048 | 2138 | 2236 | 2306 | 2382 | 2473 | 2598 | 2724 | 2863 | 2974 | 3176 | 3399 | 3573 | 3685 | 3747 | 3977 | 4298 | 4994 |
Better Fuel Economy Factory Ratios Increased Power
