Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/82-14 | 175/85-14.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.3 (642.6) | 26.21 (665.8) | 0.91 (23.2) 3.6% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 79.48 (2018.79) | 82.35 (2091.67) | 2.87 (72.88) 3.6% |
| Sidewall Height inches (mm) | 5.65 (143.5) | 5.86 (148.75) | 0.21 (5.25) 3.7% |
| Revolutions per mile (km) | 797.18 (495.35) | 769.41 (478.09) | -27.78 (-17.26) -3.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.72 mph (33.35 km/h) |
| 25 mph (40.23 km/h) | 25.9 mph (41.69 km/h) |
| 30 mph (48.28 km/h) | 31.08 mph (50.02 km/h) |
| 35 mph (56.33 km/h) | 36.26 mph (58.36 km/h) |
| 40 mph (64.37 km/h) | 41.44 mph (66.7 km/h) |
| 45 mph (72.42 km/h) | 46.62 mph (75.04 km/h) |
| 50 mph (80.47 km/h) | 51.81 mph (83.37 km/h) |
| 55 mph (88.51 km/h) | 56.99 mph (91.71 km/h) |
| 60 mph (96.56 km/h) | 62.17 mph (100.05 km/h) |
| 65 mph (104.61 km/h) | 67.35 mph (108.38 km/h) |
| 70 mph (112.65 km/h) | 72.53 mph (116.72 km/h) |
| 75 mph (120.7 km/h) | 77.71 mph (125.06 km/h) |
| 80 mph (128.75 km/h) | 82.89 mph (133.4 km/h) |
| 85 mph (136.79 km/h) | 88.07 mph (141.73 km/h) |
| 90 mph (144.84 km/h) | 93.25 mph (150.07 km/h) |
| 95 mph (152.89 km/h) | 98.43 mph (158.41 km/h) |
| 100 mph (160.93 km/h) | 103.61 mph (166.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1958 | 2275 | 2450 | 2558 | 2675 | 2758 | 2850 | 2958 | 3108 | 3258 | 3424 | 3558 | 3799 | 4066 | 4274 | 4408 | 4483 | 4757 | 5141 | 5974 |
Better Fuel Economy Factory Ratios Increased Power
