Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 350/50-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 33.78 (858) | 8.37 (212.5) 32.9% |
| Width inches (mm) | 10.83 (275) | 13.78 (350) | 2.95 (75) 27.3% |
| Circum. inches (mm) | 79.84 (2027.9) | 106.12 (2695.49) | 26.28 (667.59) 32.9% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 6.89 (175) | 4.18 (106.25) 154.5% |
| Revolutions per mile (km) | 793.6 (493.12) | 597.05 (370.99) | -196.55 (-122.13) -24.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.58 mph (42.78 km/h) |
| 25 mph (40.23 km/h) | 33.23 mph (53.48 km/h) |
| 30 mph (48.28 km/h) | 39.88 mph (64.17 km/h) |
| 35 mph (56.33 km/h) | 46.52 mph (74.87 km/h) |
| 40 mph (64.37 km/h) | 53.17 mph (85.57 km/h) |
| 45 mph (72.42 km/h) | 59.81 mph (96.26 km/h) |
| 50 mph (80.47 km/h) | 66.46 mph (106.96 km/h) |
| 55 mph (88.51 km/h) | 73.11 mph (117.65 km/h) |
| 60 mph (96.56 km/h) | 79.75 mph (128.35 km/h) |
| 65 mph (104.61 km/h) | 86.4 mph (139.04 km/h) |
| 70 mph (112.65 km/h) | 93.04 mph (149.74 km/h) |
| 75 mph (120.7 km/h) | 99.69 mph (160.44 km/h) |
| 80 mph (128.75 km/h) | 106.34 mph (171.13 km/h) |
| 85 mph (136.79 km/h) | 112.98 mph (181.83 km/h) |
| 90 mph (144.84 km/h) | 119.63 mph (192.52 km/h) |
| 95 mph (152.89 km/h) | 126.27 mph (203.22 km/h) |
| 100 mph (160.93 km/h) | 132.92 mph (213.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1519 | 1765 | 1901 | 1985 | 2075 | 2140 | 2211 | 2295 | 2412 | 2528 | 2657 | 2761 | 2948 | 3155 | 3317 | 3420 | 3478 | 3692 | 3989 | 4636 |
Better Fuel Economy Factory Ratios Increased Power
