Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/80-14 | 25/8.5-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.91 (683.6) | 25.06 (636.4) | -1.86 (-47.2) -6.9% |
| Width inches (mm) | 8.07 (205) | 8.5 (216) | 0.43 (11) 5.4% |
| Circum. inches (mm) | 84.55 (2147.59) | 78.71 (1999.31) | -5.84 (-148.28) -6.9% |
| Sidewall Height inches (mm) | 6.46 (164) | 5.53 (140.4) | -0.93 (-23.6) -14.4% |
| Revolutions per mile (km) | 749.37 (465.64) | 804.95 (500.17) | 55.58 (34.53) 7.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.62 mph (29.96 km/h) |
| 25 mph (40.23 km/h) | 23.27 mph (37.46 km/h) |
| 30 mph (48.28 km/h) | 27.93 mph (44.95 km/h) |
| 35 mph (56.33 km/h) | 32.58 mph (52.44 km/h) |
| 40 mph (64.37 km/h) | 37.24 mph (59.93 km/h) |
| 45 mph (72.42 km/h) | 41.89 mph (67.42 km/h) |
| 50 mph (80.47 km/h) | 46.55 mph (74.91 km/h) |
| 55 mph (88.51 km/h) | 51.2 mph (82.4 km/h) |
| 60 mph (96.56 km/h) | 55.86 mph (89.89 km/h) |
| 65 mph (104.61 km/h) | 60.51 mph (97.38 km/h) |
| 70 mph (112.65 km/h) | 65.17 mph (104.88 km/h) |
| 75 mph (120.7 km/h) | 69.82 mph (112.37 km/h) |
| 80 mph (128.75 km/h) | 74.48 mph (119.86 km/h) |
| 85 mph (136.79 km/h) | 79.13 mph (127.35 km/h) |
| 90 mph (144.84 km/h) | 83.79 mph (134.84 km/h) |
| 95 mph (152.89 km/h) | 88.44 mph (142.33 km/h) |
| 100 mph (160.93 km/h) | 93.1 mph (149.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2048 | 2380 | 2563 | 2676 | 2798 | 2885 | 2981 | 3094 | 3251 | 3408 | 3583 | 3722 | 3975 | 4254 | 4472 | 4611 | 4690 | 4977 | 5378 | 6250 |
Better Fuel Economy Factory Ratios Increased Power
