Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/25-19 | 305/20-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635.1) | 23.8 (604.6) | -1.2 (-30.5) -4.8% |
| Width inches (mm) | 12.01 (305) | 12.01 (305) | 0 (0) 0% |
| Circum. inches (mm) | 78.55 (1995.23) | 74.78 (1899.41) | -3.77 (-95.82) -4.8% |
| Sidewall Height inches (mm) | 3 (76.25) | 2.4 (61) | -0.6 (-15.25) -20% |
| Revolutions per mile (km) | 806.6 (501.2) | 847.29 (526.48) | 40.69 (25.28) 5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.04 mph (30.64 km/h) |
| 25 mph (40.23 km/h) | 23.8 mph (38.3 km/h) |
| 30 mph (48.28 km/h) | 28.56 mph (45.96 km/h) |
| 35 mph (56.33 km/h) | 33.32 mph (53.62 km/h) |
| 40 mph (64.37 km/h) | 38.08 mph (61.28 km/h) |
| 45 mph (72.42 km/h) | 42.84 mph (68.94 km/h) |
| 50 mph (80.47 km/h) | 47.6 mph (76.6 km/h) |
| 55 mph (88.51 km/h) | 52.36 mph (84.26 km/h) |
| 60 mph (96.56 km/h) | 57.12 mph (91.92 km/h) |
| 65 mph (104.61 km/h) | 61.88 mph (99.58 km/h) |
| 70 mph (112.65 km/h) | 66.64 mph (107.24 km/h) |
| 75 mph (120.7 km/h) | 71.4 mph (114.9 km/h) |
| 80 mph (128.75 km/h) | 76.16 mph (122.56 km/h) |
| 85 mph (136.79 km/h) | 80.92 mph (130.23 km/h) |
| 90 mph (144.84 km/h) | 85.68 mph (137.89 km/h) |
| 95 mph (152.89 km/h) | 90.44 mph (145.55 km/h) |
| 100 mph (160.93 km/h) | 95.2 mph (153.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2156 | 2505 | 2698 | 2817 | 2945 | 3037 | 3138 | 3257 | 3422 | 3588 | 3771 | 3918 | 4184 | 4478 | 4707 | 4854 | 4936 | 5239 | 5661 | 6579 |
Better Fuel Economy Factory Ratios Increased Power
