Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/30-21 | 265/20-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.97 (710.4) | 26.17 (664.8) | -1.8 (-45.6) -6.4% |
| Width inches (mm) | 11.61 (295) | 10.43 (265) | -1.18 (-30) -10.2% |
| Circum. inches (mm) | 87.87 (2231.79) | 82.23 (2088.53) | -5.64 (-143.26) -6.4% |
| Sidewall Height inches (mm) | 3.48 (88.5) | 2.09 (53) | -1.4 (-35.5) -40.1% |
| Revolutions per mile (km) | 721.1 (448.07) | 770.56 (478.8) | 49.46 (30.73) 6.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.72 mph (30.12 km/h) |
| 25 mph (40.23 km/h) | 23.4 mph (37.65 km/h) |
| 30 mph (48.28 km/h) | 28.07 mph (45.18 km/h) |
| 35 mph (56.33 km/h) | 32.75 mph (52.71 km/h) |
| 40 mph (64.37 km/h) | 37.43 mph (60.24 km/h) |
| 45 mph (72.42 km/h) | 42.11 mph (67.77 km/h) |
| 50 mph (80.47 km/h) | 46.79 mph (75.3 km/h) |
| 55 mph (88.51 km/h) | 51.47 mph (82.83 km/h) |
| 60 mph (96.56 km/h) | 56.15 mph (90.36 km/h) |
| 65 mph (104.61 km/h) | 60.83 mph (97.89 km/h) |
| 70 mph (112.65 km/h) | 65.51 mph (105.42 km/h) |
| 75 mph (120.7 km/h) | 70.19 mph (112.95 km/h) |
| 80 mph (128.75 km/h) | 74.86 mph (120.48 km/h) |
| 85 mph (136.79 km/h) | 79.54 mph (128.01 km/h) |
| 90 mph (144.84 km/h) | 84.22 mph (135.54 km/h) |
| 95 mph (152.89 km/h) | 88.9 mph (143.07 km/h) |
| 100 mph (160.93 km/h) | 93.58 mph (150.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1961 | 2278 | 2453 | 2562 | 2679 | 2762 | 2854 | 2962 | 3112 | 3263 | 3430 | 3563 | 3805 | 4072 | 4281 | 4414 | 4489 | 4765 | 5148 | 5983 |
Better Fuel Economy Factory Ratios Increased Power
