Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/25-20 | 325/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.59 (675.5) | 26.96 (684.7) | 0.36 (9.2) 1.4% |
| Width inches (mm) | 13.19 (335) | 12.8 (325) | -0.39 (-10) -3% |
| Circum. inches (mm) | 83.55 (2122.15) | 84.69 (2151.05) | 1.14 (28.9) 1.4% |
| Sidewall Height inches (mm) | 3.3 (83.75) | 4.48 (113.75) | 1.18 (30) 35.8% |
| Revolutions per mile (km) | 758.36 (471.22) | 748.17 (464.89) | -10.19 (-6.33) -1.3% |
325/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.27 mph (32.63 km/h) |
| 25 mph (40.23 km/h) | 25.34 mph (40.78 km/h) |
| 30 mph (48.28 km/h) | 30.41 mph (48.94 km/h) |
| 35 mph (56.33 km/h) | 35.48 mph (57.09 km/h) |
| 40 mph (64.37 km/h) | 40.54 mph (65.25 km/h) |
| 45 mph (72.42 km/h) | 45.61 mph (73.41 km/h) |
| 50 mph (80.47 km/h) | 50.68 mph (81.56 km/h) |
| 55 mph (88.51 km/h) | 55.75 mph (89.72 km/h) |
| 60 mph (96.56 km/h) | 60.82 mph (97.88 km/h) |
| 65 mph (104.61 km/h) | 65.89 mph (106.03 km/h) |
| 70 mph (112.65 km/h) | 70.95 mph (114.19 km/h) |
| 75 mph (120.7 km/h) | 76.02 mph (122.34 km/h) |
| 80 mph (128.75 km/h) | 81.09 mph (130.5 km/h) |
| 85 mph (136.79 km/h) | 86.16 mph (138.66 km/h) |
| 90 mph (144.84 km/h) | 91.23 mph (146.81 km/h) |
| 95 mph (152.89 km/h) | 96.29 mph (154.97 km/h) |
| 100 mph (160.93 km/h) | 101.36 mph (163.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1904 | 2212 | 2382 | 2487 | 2601 | 2682 | 2771 | 2876 | 3022 | 3168 | 3330 | 3460 | 3694 | 3954 | 4156 | 4286 | 4359 | 4626 | 4999 | 5809 |
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