Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-23 | 320/60-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.7) | 39.12 (993.6) | 9.92 (251.9) 34% |
| Width inches (mm) | 12.4 (315) | 12.6 (320) | 0.2 (5) 1.6% |
| Circum. inches (mm) | 91.74 (2330.12) | 122.89 (3121.49) | 31.16 (791.37) 34% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 7.56 (192) | 4.46 (113.25) 143.8% |
| Revolutions per mile (km) | 690.67 (429.16) | 515.57 (320.36) | -175.1 (-108.8) -25.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.79 mph (43.12 km/h) |
| 25 mph (40.23 km/h) | 33.49 mph (53.9 km/h) |
| 30 mph (48.28 km/h) | 40.19 mph (64.68 km/h) |
| 35 mph (56.33 km/h) | 46.89 mph (75.46 km/h) |
| 40 mph (64.37 km/h) | 53.59 mph (86.24 km/h) |
| 45 mph (72.42 km/h) | 60.28 mph (97.02 km/h) |
| 50 mph (80.47 km/h) | 66.98 mph (107.8 km/h) |
| 55 mph (88.51 km/h) | 73.68 mph (118.58 km/h) |
| 60 mph (96.56 km/h) | 80.38 mph (129.36 km/h) |
| 65 mph (104.61 km/h) | 87.08 mph (140.13 km/h) |
| 70 mph (112.65 km/h) | 93.77 mph (150.91 km/h) |
| 75 mph (120.7 km/h) | 100.47 mph (161.69 km/h) |
| 80 mph (128.75 km/h) | 107.17 mph (172.47 km/h) |
| 85 mph (136.79 km/h) | 113.87 mph (183.25 km/h) |
| 90 mph (144.84 km/h) | 120.57 mph (194.03 km/h) |
| 95 mph (152.89 km/h) | 127.26 mph (204.81 km/h) |
| 100 mph (160.93 km/h) | 133.96 mph (215.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1312 | 1524 | 1641 | 1714 | 1792 | 1848 | 1909 | 1982 | 2082 | 2183 | 2295 | 2384 | 2546 | 2725 | 2864 | 2953 | 3004 | 3188 | 3445 | 4003 |
Better Fuel Economy Factory Ratios Increased Power
