Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/25-20 | 245/65-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.41 (645.5) | 28.54 (724.9) | 3.13 (79.4) 12.3% |
| Width inches (mm) | 10.83 (275) | 9.65 (245) | -1.18 (-30) -10.9% |
| Circum. inches (mm) | 79.84 (2027.9) | 89.66 (2277.34) | 9.82 (249.44) 12.3% |
| Sidewall Height inches (mm) | 2.71 (68.75) | 6.27 (159.25) | 3.56 (90.5) 131.6% |
| Revolutions per mile (km) | 793.6 (493.12) | 706.68 (439.11) | -86.93 (-54.01) -11% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.46 mph (36.15 km/h) |
| 25 mph (40.23 km/h) | 28.08 mph (45.18 km/h) |
| 30 mph (48.28 km/h) | 33.69 mph (54.22 km/h) |
| 35 mph (56.33 km/h) | 39.31 mph (63.26 km/h) |
| 40 mph (64.37 km/h) | 44.92 mph (72.29 km/h) |
| 45 mph (72.42 km/h) | 50.54 mph (81.33 km/h) |
| 50 mph (80.47 km/h) | 56.15 mph (90.37 km/h) |
| 55 mph (88.51 km/h) | 61.77 mph (99.4 km/h) |
| 60 mph (96.56 km/h) | 67.38 mph (108.44 km/h) |
| 65 mph (104.61 km/h) | 73 mph (117.47 km/h) |
| 70 mph (112.65 km/h) | 78.61 mph (126.51 km/h) |
| 75 mph (120.7 km/h) | 84.23 mph (135.55 km/h) |
| 80 mph (128.75 km/h) | 89.84 mph (144.58 km/h) |
| 85 mph (136.79 km/h) | 95.46 mph (153.62 km/h) |
| 90 mph (144.84 km/h) | 101.07 mph (162.66 km/h) |
| 95 mph (152.89 km/h) | 106.69 mph (171.69 km/h) |
| 100 mph (160.93 km/h) | 112.3 mph (180.73 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1798 | 2089 | 2250 | 2349 | 2456 | 2533 | 2617 | 2717 | 2854 | 2992 | 3145 | 3268 | 3490 | 3734 | 3926 | 4048 | 4117 | 4370 | 4722 | 5487 |
Better Fuel Economy Factory Ratios Increased Power
