Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 265/20-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 24.17 (614) | -1.24 (-31.5) -4.9% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 79.84 (2027.9) | 75.94 (1928.94) | -3.9 (-98.96) -4.9% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 2.09 (53) | -0.62 (-15.75) -22.9% |
| Revolutions per mile (km) | 793.6 (493.12) | 834.32 (518.42) | 40.71 (25.3) 5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.02 mph (30.62 km/h) |
| 25 mph (40.23 km/h) | 23.78 mph (38.27 km/h) |
| 30 mph (48.28 km/h) | 28.54 mph (45.92 km/h) |
| 35 mph (56.33 km/h) | 33.29 mph (53.58 km/h) |
| 40 mph (64.37 km/h) | 38.05 mph (61.23 km/h) |
| 45 mph (72.42 km/h) | 42.8 mph (68.89 km/h) |
| 50 mph (80.47 km/h) | 47.56 mph (76.54 km/h) |
| 55 mph (88.51 km/h) | 52.32 mph (84.19 km/h) |
| 60 mph (96.56 km/h) | 57.07 mph (91.85 km/h) |
| 65 mph (104.61 km/h) | 61.83 mph (99.5 km/h) |
| 70 mph (112.65 km/h) | 66.58 mph (107.16 km/h) |
| 75 mph (120.7 km/h) | 71.34 mph (114.81 km/h) |
| 80 mph (128.75 km/h) | 76.1 mph (122.46 km/h) |
| 85 mph (136.79 km/h) | 80.85 mph (130.12 km/h) |
| 90 mph (144.84 km/h) | 85.61 mph (137.77 km/h) |
| 95 mph (152.89 km/h) | 90.36 mph (145.43 km/h) |
| 100 mph (160.93 km/h) | 95.12 mph (153.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2123 | 2466 | 2656 | 2774 | 2900 | 2991 | 3090 | 3207 | 3370 | 3533 | 3713 | 3858 | 4120 | 4409 | 4635 | 4779 | 4861 | 5159 | 5574 | 6478 |
Better Fuel Economy Factory Ratios Increased Power
