Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/40-24 | 325/45-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.98 (837.6) | 35.52 (902.1) | 2.54 (64.5) 7.7% |
| Width inches (mm) | 11.22 (285) | 12.8 (325) | 1.57 (40) 14% |
| Circum. inches (mm) | 103.6 (2631.4) | 111.58 (2834.03) | 7.98 (202.63) 7.7% |
| Sidewall Height inches (mm) | 4.49 (114) | 5.76 (146.25) | 1.27 (32.25) 28.3% |
| Revolutions per mile (km) | 611.59 (380.03) | 567.86 (352.85) | -43.73 (-27.17) -7.1% |
325/45-24 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.54 mph (34.67 km/h) |
| 25 mph (40.23 km/h) | 26.93 mph (43.33 km/h) |
| 30 mph (48.28 km/h) | 32.31 mph (52 km/h) |
| 35 mph (56.33 km/h) | 37.7 mph (60.66 km/h) |
| 40 mph (64.37 km/h) | 43.08 mph (69.33 km/h) |
| 45 mph (72.42 km/h) | 48.47 mph (78 km/h) |
| 50 mph (80.47 km/h) | 53.85 mph (86.66 km/h) |
| 55 mph (88.51 km/h) | 59.24 mph (95.33 km/h) |
| 60 mph (96.56 km/h) | 64.62 mph (104 km/h) |
| 65 mph (104.61 km/h) | 70.01 mph (112.66 km/h) |
| 70 mph (112.65 km/h) | 75.39 mph (121.33 km/h) |
| 75 mph (120.7 km/h) | 80.78 mph (130 km/h) |
| 80 mph (128.75 km/h) | 86.16 mph (138.66 km/h) |
| 85 mph (136.79 km/h) | 91.55 mph (147.33 km/h) |
| 90 mph (144.84 km/h) | 96.93 mph (155.99 km/h) |
| 95 mph (152.89 km/h) | 102.32 mph (164.66 km/h) |
| 100 mph (160.93 km/h) | 107.7 mph (173.33 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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