Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/95-14 | 255/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.84 (707.1) | 32.07 (814.5) | 4.23 (107.4) 15.2% |
| Width inches (mm) | 7.28 (185) | 10.04 (255) | 2.76 (70) 37.8% |
| Circum. inches (mm) | 87.46 (2221.42) | 100.74 (2558.83) | 13.28 (337.41) 15.2% |
| Sidewall Height inches (mm) | 6.92 (175.75) | 8.53 (216.75) | 1.61 (41) 23.3% |
| Revolutions per mile (km) | 724.47 (450.16) | 628.94 (390.8) | -95.53 (-59.36) -13.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.04 mph (37.08 km/h) |
| 25 mph (40.23 km/h) | 28.8 mph (46.34 km/h) |
| 30 mph (48.28 km/h) | 34.56 mph (55.61 km/h) |
| 35 mph (56.33 km/h) | 40.32 mph (64.88 km/h) |
| 40 mph (64.37 km/h) | 46.08 mph (74.15 km/h) |
| 45 mph (72.42 km/h) | 51.83 mph (83.42 km/h) |
| 50 mph (80.47 km/h) | 57.59 mph (92.69 km/h) |
| 55 mph (88.51 km/h) | 63.35 mph (101.96 km/h) |
| 60 mph (96.56 km/h) | 69.11 mph (111.23 km/h) |
| 65 mph (104.61 km/h) | 74.87 mph (120.5 km/h) |
| 70 mph (112.65 km/h) | 80.63 mph (129.77 km/h) |
| 75 mph (120.7 km/h) | 86.39 mph (139.03 km/h) |
| 80 mph (128.75 km/h) | 92.15 mph (148.3 km/h) |
| 85 mph (136.79 km/h) | 97.91 mph (157.57 km/h) |
| 90 mph (144.84 km/h) | 103.67 mph (166.84 km/h) |
| 95 mph (152.89 km/h) | 109.43 mph (176.11 km/h) |
| 100 mph (160.93 km/h) | 115.19 mph (185.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1601 | 1859 | 2002 | 2091 | 2186 | 2254 | 2329 | 2418 | 2540 | 2663 | 2799 | 2908 | 3106 | 3324 | 3494 | 3603 | 3664 | 3889 | 4202 | 4883 |
Better Fuel Economy Factory Ratios Increased Power
