Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/40-18 | 345/35-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.24 (717.2) | 28.51 (724.1) | 0.27 (6.9) 1% |
| Width inches (mm) | 12.8 (325) | 13.58 (345) | 0.79 (20) 6.2% |
| Circum. inches (mm) | 88.71 (2253.15) | 89.56 (2274.83) | 0.85 (21.68) 1% |
| Sidewall Height inches (mm) | 5.12 (130) | 4.75 (120.75) | -0.36 (-9.25) -7.1% |
| Revolutions per mile (km) | 714.26 (443.82) | 707.46 (439.59) | -6.81 (-4.23) -1% |
345/35-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.19 mph (32.5 km/h) |
| 25 mph (40.23 km/h) | 25.24 mph (40.62 km/h) |
| 30 mph (48.28 km/h) | 30.29 mph (48.74 km/h) |
| 35 mph (56.33 km/h) | 35.34 mph (56.87 km/h) |
| 40 mph (64.37 km/h) | 40.38 mph (64.99 km/h) |
| 45 mph (72.42 km/h) | 45.43 mph (73.12 km/h) |
| 50 mph (80.47 km/h) | 50.48 mph (81.24 km/h) |
| 55 mph (88.51 km/h) | 55.53 mph (89.37 km/h) |
| 60 mph (96.56 km/h) | 60.58 mph (97.49 km/h) |
| 65 mph (104.61 km/h) | 65.63 mph (105.61 km/h) |
| 70 mph (112.65 km/h) | 70.67 mph (113.74 km/h) |
| 75 mph (120.7 km/h) | 75.72 mph (121.86 km/h) |
| 80 mph (128.75 km/h) | 80.77 mph (129.99 km/h) |
| 85 mph (136.79 km/h) | 85.82 mph (138.11 km/h) |
| 90 mph (144.84 km/h) | 90.87 mph (146.23 km/h) |
| 95 mph (152.89 km/h) | 95.91 mph (154.36 km/h) |
| 100 mph (160.93 km/h) | 100.96 mph (162.48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1800 | 2091 | 2252 | 2352 | 2459 | 2536 | 2620 | 2720 | 2858 | 2995 | 3149 | 3271 | 3493 | 3739 | 3930 | 4053 | 4122 | 4374 | 4727 | 5493 |
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