Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/82-14 | 225/85-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.94 (659) | 29.06 (738.1) | 3.11 (79.1) 12% |
| Width inches (mm) | 7.28 (185) | 8.86 (225) | 1.57 (40) 21.6% |
| Circum. inches (mm) | 81.51 (2070.31) | 91.29 (2318.81) | 9.78 (248.5) 12% |
| Sidewall Height inches (mm) | 5.97 (151.7) | 7.53 (191.25) | 1.56 (39.55) 26.1% |
| Revolutions per mile (km) | 777.34 (483.02) | 694.04 (431.25) | -83.31 (-51.76) -10.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.4 mph (36.05 km/h) |
| 25 mph (40.23 km/h) | 28 mph (45.06 km/h) |
| 30 mph (48.28 km/h) | 33.6 mph (54.08 km/h) |
| 35 mph (56.33 km/h) | 39.2 mph (63.09 km/h) |
| 40 mph (64.37 km/h) | 44.8 mph (72.1 km/h) |
| 45 mph (72.42 km/h) | 50.4 mph (81.11 km/h) |
| 50 mph (80.47 km/h) | 56 mph (90.13 km/h) |
| 55 mph (88.51 km/h) | 61.6 mph (99.14 km/h) |
| 60 mph (96.56 km/h) | 67.2 mph (108.15 km/h) |
| 65 mph (104.61 km/h) | 72.8 mph (117.16 km/h) |
| 70 mph (112.65 km/h) | 78.4 mph (126.18 km/h) |
| 75 mph (120.7 km/h) | 84 mph (135.19 km/h) |
| 80 mph (128.75 km/h) | 89.6 mph (144.2 km/h) |
| 85 mph (136.79 km/h) | 95.2 mph (153.21 km/h) |
| 90 mph (144.84 km/h) | 100.8 mph (162.23 km/h) |
| 95 mph (152.89 km/h) | 106.4 mph (171.24 km/h) |
| 100 mph (160.93 km/h) | 112 mph (180.25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1766 | 2052 | 2210 | 2307 | 2413 | 2488 | 2570 | 2668 | 2803 | 2939 | 3089 | 3209 | 3427 | 3668 | 3856 | 3976 | 4043 | 4291 | 4637 | 5389 |
Better Fuel Economy Factory Ratios Increased Power
