Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/25-21 | 250/30-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.81 (680.9) | 26.91 (683.4) | 0.1 (2.5) 0.4% |
| Width inches (mm) | 11.61 (295) | 9.84 (250) | -1.77 (-45) -15.3% |
| Circum. inches (mm) | 84.22 (2139.11) | 84.53 (2146.96) | 0.31 (7.85) 0.4% |
| Sidewall Height inches (mm) | 2.9 (73.75) | 2.95 (75) | 0.05 (1.25) 1.7% |
| Revolutions per mile (km) | 752.34 (467.48) | 749.59 (465.77) | -2.75 (-1.71) -0.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.07 mph (32.31 km/h) |
| 25 mph (40.23 km/h) | 25.09 mph (40.38 km/h) |
| 30 mph (48.28 km/h) | 30.11 mph (48.46 km/h) |
| 35 mph (56.33 km/h) | 35.13 mph (56.53 km/h) |
| 40 mph (64.37 km/h) | 40.15 mph (64.61 km/h) |
| 45 mph (72.42 km/h) | 45.17 mph (72.69 km/h) |
| 50 mph (80.47 km/h) | 50.18 mph (80.76 km/h) |
| 55 mph (88.51 km/h) | 55.2 mph (88.84 km/h) |
| 60 mph (96.56 km/h) | 60.22 mph (96.92 km/h) |
| 65 mph (104.61 km/h) | 65.24 mph (104.99 km/h) |
| 70 mph (112.65 km/h) | 70.26 mph (113.07 km/h) |
| 75 mph (120.7 km/h) | 75.28 mph (121.14 km/h) |
| 80 mph (128.75 km/h) | 80.29 mph (129.22 km/h) |
| 85 mph (136.79 km/h) | 85.31 mph (137.3 km/h) |
| 90 mph (144.84 km/h) | 90.33 mph (145.37 km/h) |
| 95 mph (152.89 km/h) | 95.35 mph (153.45 km/h) |
| 100 mph (160.93 km/h) | 100.37 mph (161.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1908 | 2216 | 2386 | 2492 | 2606 | 2687 | 2776 | 2882 | 3028 | 3174 | 3336 | 3466 | 3701 | 3961 | 4164 | 4294 | 4367 | 4635 | 5008 | 5820 |
Better Fuel Economy Factory Ratios Increased Power
