Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/25-23 | 325/45-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.2 (741.7) | 35.52 (902.1) | 6.31 (160.4) 21.6% |
| Width inches (mm) | 12.4 (315) | 12.8 (325) | 0.39 (10) 3.2% |
| Circum. inches (mm) | 91.74 (2330.12) | 111.58 (2834.03) | 19.84 (503.91) 21.6% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 5.76 (146.25) | 2.66 (67.5) 85.7% |
| Revolutions per mile (km) | 690.67 (429.16) | 567.86 (352.85) | -122.81 (-76.31) -17.8% |
325/45-24 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.33 mph (39.15 km/h) |
| 25 mph (40.23 km/h) | 30.41 mph (48.93 km/h) |
| 30 mph (48.28 km/h) | 36.49 mph (58.72 km/h) |
| 35 mph (56.33 km/h) | 42.57 mph (68.51 km/h) |
| 40 mph (64.37 km/h) | 48.65 mph (78.3 km/h) |
| 45 mph (72.42 km/h) | 54.73 mph (88.08 km/h) |
| 50 mph (80.47 km/h) | 60.81 mph (97.87 km/h) |
| 55 mph (88.51 km/h) | 66.89 mph (107.66 km/h) |
| 60 mph (96.56 km/h) | 72.98 mph (117.44 km/h) |
| 65 mph (104.61 km/h) | 79.06 mph (127.23 km/h) |
| 70 mph (112.65 km/h) | 85.14 mph (137.02 km/h) |
| 75 mph (120.7 km/h) | 91.22 mph (146.8 km/h) |
| 80 mph (128.75 km/h) | 97.3 mph (156.59 km/h) |
| 85 mph (136.79 km/h) | 103.38 mph (166.38 km/h) |
| 90 mph (144.84 km/h) | 109.46 mph (176.16 km/h) |
| 95 mph (152.89 km/h) | 115.54 mph (185.95 km/h) |
| 100 mph (160.93 km/h) | 121.63 mph (195.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1445 | 1679 | 1808 | 1888 | 1974 | 2035 | 2103 | 2183 | 2294 | 2404 | 2527 | 2626 | 2804 | 3001 | 3155 | 3253 | 3308 | 3511 | 3794 | 4409 |
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