Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/25-21 | 305/25-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.81 (680.9) | 25 (635.1) | -1.8 (-45.8) -6.7% |
| Width inches (mm) | 11.61 (295) | 12.01 (305) | 0.39 (10) 3.4% |
| Circum. inches (mm) | 84.22 (2139.11) | 78.55 (1995.23) | -5.66 (-143.88) -6.7% |
| Sidewall Height inches (mm) | 2.9 (73.75) | 3 (76.25) | 0.1 (2.5) 3.4% |
| Revolutions per mile (km) | 752.34 (467.48) | 806.6 (501.2) | 54.25 (33.71) 7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.65 mph (30.02 km/h) |
| 25 mph (40.23 km/h) | 23.32 mph (37.53 km/h) |
| 30 mph (48.28 km/h) | 27.98 mph (45.03 km/h) |
| 35 mph (56.33 km/h) | 32.65 mph (52.54 km/h) |
| 40 mph (64.37 km/h) | 37.31 mph (60.04 km/h) |
| 45 mph (72.42 km/h) | 41.97 mph (67.55 km/h) |
| 50 mph (80.47 km/h) | 46.64 mph (75.05 km/h) |
| 55 mph (88.51 km/h) | 51.3 mph (82.56 km/h) |
| 60 mph (96.56 km/h) | 55.96 mph (90.07 km/h) |
| 65 mph (104.61 km/h) | 60.63 mph (97.57 km/h) |
| 70 mph (112.65 km/h) | 65.29 mph (105.08 km/h) |
| 75 mph (120.7 km/h) | 69.96 mph (112.58 km/h) |
| 80 mph (128.75 km/h) | 74.62 mph (120.09 km/h) |
| 85 mph (136.79 km/h) | 79.28 mph (127.59 km/h) |
| 90 mph (144.84 km/h) | 83.95 mph (135.1 km/h) |
| 95 mph (152.89 km/h) | 88.61 mph (142.6 km/h) |
| 100 mph (160.93 km/h) | 93.27 mph (150.11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2053 | 2385 | 2568 | 2682 | 2804 | 2891 | 2987 | 3101 | 3258 | 3415 | 3590 | 3730 | 3983 | 4262 | 4481 | 4621 | 4699 | 4987 | 5389 | 6263 |
Better Fuel Economy Factory Ratios Increased Power
