Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 345/30-19 | 355/25-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.15 (689.6) | 25.99 (660.1) | -1.16 (-29.5) -4.3% |
| Width inches (mm) | 13.58 (345) | 13.98 (355) | 0.39 (10) 2.9% |
| Circum. inches (mm) | 85.29 (2166.44) | 81.64 (2073.77) | -3.65 (-92.68) -4.3% |
| Sidewall Height inches (mm) | 4.07 (103.5) | 3.49 (88.75) | -0.58 (-14.75) -14.3% |
| Revolutions per mile (km) | 742.85 (461.59) | 776.05 (482.21) | 33.2 (20.63) 4.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.14 mph (30.81 km/h) |
| 25 mph (40.23 km/h) | 23.93 mph (38.51 km/h) |
| 30 mph (48.28 km/h) | 28.72 mph (46.22 km/h) |
| 35 mph (56.33 km/h) | 33.5 mph (53.92 km/h) |
| 40 mph (64.37 km/h) | 38.29 mph (61.62 km/h) |
| 45 mph (72.42 km/h) | 43.07 mph (69.32 km/h) |
| 50 mph (80.47 km/h) | 47.86 mph (77.03 km/h) |
| 55 mph (88.51 km/h) | 52.65 mph (84.73 km/h) |
| 60 mph (96.56 km/h) | 57.43 mph (92.43 km/h) |
| 65 mph (104.61 km/h) | 62.22 mph (100.13 km/h) |
| 70 mph (112.65 km/h) | 67.01 mph (107.84 km/h) |
| 75 mph (120.7 km/h) | 71.79 mph (115.54 km/h) |
| 80 mph (128.75 km/h) | 76.58 mph (123.24 km/h) |
| 85 mph (136.79 km/h) | 81.36 mph (130.94 km/h) |
| 90 mph (144.84 km/h) | 86.15 mph (138.65 km/h) |
| 95 mph (152.89 km/h) | 90.94 mph (146.35 km/h) |
| 100 mph (160.93 km/h) | 95.72 mph (154.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1975 | 2294 | 2471 | 2580 | 2698 | 2782 | 2874 | 2983 | 3135 | 3286 | 3454 | 3588 | 3832 | 4101 | 4311 | 4446 | 4521 | 4799 | 5185 | 6026 |
Better Fuel Economy Factory Ratios Increased Power
