Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 275/20-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 24.33 (618) | -1.08 (-27.5) -4.3% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 79.84 (2027.9) | 76.44 (1941.5) | -3.4 (-86.39) -4.3% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 2.17 (55) | -0.54 (-13.75) -20% |
| Revolutions per mile (km) | 793.6 (493.12) | 828.92 (515.06) | 35.31 (21.94) 4.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.15 mph (30.82 km/h) |
| 25 mph (40.23 km/h) | 23.93 mph (38.52 km/h) |
| 30 mph (48.28 km/h) | 28.72 mph (46.22 km/h) |
| 35 mph (56.33 km/h) | 33.51 mph (53.93 km/h) |
| 40 mph (64.37 km/h) | 38.3 mph (61.63 km/h) |
| 45 mph (72.42 km/h) | 43.08 mph (69.34 km/h) |
| 50 mph (80.47 km/h) | 47.87 mph (77.04 km/h) |
| 55 mph (88.51 km/h) | 52.66 mph (84.74 km/h) |
| 60 mph (96.56 km/h) | 57.44 mph (92.45 km/h) |
| 65 mph (104.61 km/h) | 62.23 mph (100.15 km/h) |
| 70 mph (112.65 km/h) | 67.02 mph (107.85 km/h) |
| 75 mph (120.7 km/h) | 71.8 mph (115.56 km/h) |
| 80 mph (128.75 km/h) | 76.59 mph (123.26 km/h) |
| 85 mph (136.79 km/h) | 81.38 mph (130.97 km/h) |
| 90 mph (144.84 km/h) | 86.17 mph (138.67 km/h) |
| 95 mph (152.89 km/h) | 90.95 mph (146.37 km/h) |
| 100 mph (160.93 km/h) | 95.74 mph (154.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2109 | 2451 | 2639 | 2756 | 2881 | 2971 | 3070 | 3187 | 3348 | 3510 | 3689 | 3833 | 4093 | 4380 | 4605 | 4748 | 4829 | 5125 | 5538 | 6436 |
Better Fuel Economy Factory Ratios Increased Power
