Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 315/30-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 23.44 (595.4) | -3.72 (-94.5) -13.7% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 85.33 (2167.38) | 73.64 (1870.5) | -11.69 (-296.88) -13.7% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 3.72 (94.5) | -1.86 (-47.25) -33.3% |
| Revolutions per mile (km) | 742.53 (461.38) | 860.38 (534.61) | 117.85 (73.23) 15.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.26 mph (27.78 km/h) |
| 25 mph (40.23 km/h) | 21.58 mph (34.72 km/h) |
| 30 mph (48.28 km/h) | 25.89 mph (41.67 km/h) |
| 35 mph (56.33 km/h) | 30.21 mph (48.61 km/h) |
| 40 mph (64.37 km/h) | 34.52 mph (55.56 km/h) |
| 45 mph (72.42 km/h) | 38.84 mph (62.5 km/h) |
| 50 mph (80.47 km/h) | 43.15 mph (69.45 km/h) |
| 55 mph (88.51 km/h) | 47.47 mph (76.39 km/h) |
| 60 mph (96.56 km/h) | 51.78 mph (83.33 km/h) |
| 65 mph (104.61 km/h) | 56.1 mph (90.28 km/h) |
| 70 mph (112.65 km/h) | 60.41 mph (97.22 km/h) |
| 75 mph (120.7 km/h) | 64.73 mph (104.17 km/h) |
| 80 mph (128.75 km/h) | 69.04 mph (111.11 km/h) |
| 85 mph (136.79 km/h) | 73.36 mph (118.06 km/h) |
| 90 mph (144.84 km/h) | 77.67 mph (125 km/h) |
| 95 mph (152.89 km/h) | 81.99 mph (131.95 km/h) |
| 100 mph (160.93 km/h) | 86.3 mph (138.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2190 | 2544 | 2739 | 2860 | 2991 | 3084 | 3186 | 3308 | 3475 | 3643 | 3829 | 3978 | 4249 | 4547 | 4780 | 4929 | 5013 | 5320 | 5749 | 6680 |
Better Fuel Economy Factory Ratios Increased Power
