Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-19 | 315/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.2 (640.1) | 32.64 (829.1) | 7.44 (189) 29.5% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 79.17 (2010.93) | 102.55 (2604.69) | 23.38 (593.76) 29.5% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 6.82 (173.25) | 3.72 (94.5) 120% |
| Revolutions per mile (km) | 800.3 (497.28) | 617.86 (383.92) | -182.43 (-113.36) -22.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.91 mph (41.69 km/h) |
| 25 mph (40.23 km/h) | 32.38 mph (52.11 km/h) |
| 30 mph (48.28 km/h) | 38.86 mph (62.54 km/h) |
| 35 mph (56.33 km/h) | 45.33 mph (72.96 km/h) |
| 40 mph (64.37 km/h) | 51.81 mph (83.38 km/h) |
| 45 mph (72.42 km/h) | 58.29 mph (93.8 km/h) |
| 50 mph (80.47 km/h) | 64.76 mph (104.23 km/h) |
| 55 mph (88.51 km/h) | 71.24 mph (114.65 km/h) |
| 60 mph (96.56 km/h) | 77.72 mph (125.07 km/h) |
| 65 mph (104.61 km/h) | 84.19 mph (135.49 km/h) |
| 70 mph (112.65 km/h) | 90.67 mph (145.92 km/h) |
| 75 mph (120.7 km/h) | 97.14 mph (156.34 km/h) |
| 80 mph (128.75 km/h) | 103.62 mph (166.76 km/h) |
| 85 mph (136.79 km/h) | 110.1 mph (177.19 km/h) |
| 90 mph (144.84 km/h) | 116.57 mph (187.61 km/h) |
| 95 mph (152.89 km/h) | 123.05 mph (198.03 km/h) |
| 100 mph (160.93 km/h) | 129.53 mph (208.45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1572 | 1827 | 1967 | 2054 | 2148 | 2215 | 2288 | 2375 | 2496 | 2616 | 2750 | 2857 | 3051 | 3265 | 3432 | 3539 | 3600 | 3820 | 4128 | 4797 |
Better Fuel Economy Factory Ratios Increased Power
