Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-19 | 315/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.2 (640.1) | 30.64 (778.3) | 5.44 (138.2) 21.6% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 79.17 (2010.93) | 96.26 (2445.1) | 17.09 (434.17) 21.6% |
| 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) | 658.19 (408.98) | -142.11 (-88.3) -17.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.32 mph (39.14 km/h) |
| 25 mph (40.23 km/h) | 30.4 mph (48.92 km/h) |
| 30 mph (48.28 km/h) | 36.48 mph (58.7 km/h) |
| 35 mph (56.33 km/h) | 42.56 mph (68.49 km/h) |
| 40 mph (64.37 km/h) | 48.64 mph (78.27 km/h) |
| 45 mph (72.42 km/h) | 54.72 mph (88.06 km/h) |
| 50 mph (80.47 km/h) | 60.8 mph (97.84 km/h) |
| 55 mph (88.51 km/h) | 66.87 mph (107.62 km/h) |
| 60 mph (96.56 km/h) | 72.95 mph (117.41 km/h) |
| 65 mph (104.61 km/h) | 79.03 mph (127.19 km/h) |
| 70 mph (112.65 km/h) | 85.11 mph (136.98 km/h) |
| 75 mph (120.7 km/h) | 91.19 mph (146.76 km/h) |
| 80 mph (128.75 km/h) | 97.27 mph (156.54 km/h) |
| 85 mph (136.79 km/h) | 103.35 mph (166.33 km/h) |
| 90 mph (144.84 km/h) | 109.43 mph (176.11 km/h) |
| 95 mph (152.89 km/h) | 115.51 mph (185.9 km/h) |
| 100 mph (160.93 km/h) | 121.59 mph (195.68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1675 | 1946 | 2095 | 2188 | 2288 | 2359 | 2438 | 2530 | 2659 | 2787 | 2929 | 3043 | 3250 | 3478 | 3656 | 3770 | 3835 | 4070 | 4398 | 5110 |
Better Fuel Economy Factory Ratios Increased Power
