Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/30-19 | 325/35-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.68 (677.6) | 26.96 (684.7) | 0.28 (7.1) 1% |
| Width inches (mm) | 12.8 (325) | 12.8 (325) | 0 (0) 0% |
| Circum. inches (mm) | 83.81 (2128.74) | 84.69 (2151.05) | 0.88 (22.31) 1% |
| Sidewall Height inches (mm) | 3.84 (97.5) | 4.48 (113.75) | 0.64 (16.25) 16.7% |
| Revolutions per mile (km) | 756.01 (469.76) | 748.17 (464.89) | -7.84 (-4.87) -1% |
325/35-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.21 mph (32.52 km/h) |
| 25 mph (40.23 km/h) | 25.26 mph (40.66 km/h) |
| 30 mph (48.28 km/h) | 30.31 mph (48.79 km/h) |
| 35 mph (56.33 km/h) | 35.37 mph (56.92 km/h) |
| 40 mph (64.37 km/h) | 40.42 mph (65.05 km/h) |
| 45 mph (72.42 km/h) | 45.47 mph (73.18 km/h) |
| 50 mph (80.47 km/h) | 50.52 mph (81.31 km/h) |
| 55 mph (88.51 km/h) | 55.58 mph (89.44 km/h) |
| 60 mph (96.56 km/h) | 60.63 mph (97.57 km/h) |
| 65 mph (104.61 km/h) | 65.68 mph (105.7 km/h) |
| 70 mph (112.65 km/h) | 70.73 mph (113.83 km/h) |
| 75 mph (120.7 km/h) | 75.79 mph (121.97 km/h) |
| 80 mph (128.75 km/h) | 80.84 mph (130.1 km/h) |
| 85 mph (136.79 km/h) | 85.89 mph (138.23 km/h) |
| 90 mph (144.84 km/h) | 90.94 mph (146.36 km/h) |
| 95 mph (152.89 km/h) | 96 mph (154.49 km/h) |
| 100 mph (160.93 km/h) | 101.05 mph (162.62 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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