Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-23 | 315/30-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.7) | 30.44 (773.2) | 1.24 (31.5) 4.2% |
| Width inches (mm) | 12.4 (315) | 12.4 (315) | 0 (0) 0% |
| Circum. inches (mm) | 91.74 (2330.12) | 95.63 (2429.08) | 3.9 (98.96) 4.2% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 3.72 (94.5) | 0.62 (15.75) 20% |
| Revolutions per mile (km) | 690.67 (429.16) | 662.53 (411.68) | -28.14 (-17.48) -4.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.85 mph (33.55 km/h) |
| 25 mph (40.23 km/h) | 26.06 mph (41.94 km/h) |
| 30 mph (48.28 km/h) | 31.27 mph (50.33 km/h) |
| 35 mph (56.33 km/h) | 36.49 mph (58.72 km/h) |
| 40 mph (64.37 km/h) | 41.7 mph (67.11 km/h) |
| 45 mph (72.42 km/h) | 46.91 mph (75.5 km/h) |
| 50 mph (80.47 km/h) | 52.12 mph (83.88 km/h) |
| 55 mph (88.51 km/h) | 57.34 mph (92.27 km/h) |
| 60 mph (96.56 km/h) | 62.55 mph (100.66 km/h) |
| 65 mph (104.61 km/h) | 67.76 mph (109.05 km/h) |
| 70 mph (112.65 km/h) | 72.97 mph (117.44 km/h) |
| 75 mph (120.7 km/h) | 78.19 mph (125.83 km/h) |
| 80 mph (128.75 km/h) | 83.4 mph (134.22 km/h) |
| 85 mph (136.79 km/h) | 88.61 mph (142.6 km/h) |
| 90 mph (144.84 km/h) | 93.82 mph (150.99 km/h) |
| 95 mph (152.89 km/h) | 99.03 mph (159.38 km/h) |
| 100 mph (160.93 km/h) | 104.25 mph (167.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1686 | 1959 | 2109 | 2203 | 2303 | 2375 | 2454 | 2547 | 2676 | 2805 | 2949 | 3064 | 3272 | 3501 | 3681 | 3795 | 3860 | 4097 | 4427 | 5144 |
Better Fuel Economy Factory Ratios Increased Power
