Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/80-14 | 175/85-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.02 (635.6) | 25.71 (653.1) | 0.69 (17.5) 2.8% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 78.61 (1996.8) | 80.78 (2051.77) | 2.16 (54.98) 2.8% |
| Sidewall Height inches (mm) | 5.51 (140) | 5.86 (148.75) | 0.34 (8.75) 6.3% |
| Revolutions per mile (km) | 805.96 (500.8) | 784.37 (487.38) | -21.6 (-13.42) -2.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.55 mph (33.07 km/h) |
| 25 mph (40.23 km/h) | 25.69 mph (41.34 km/h) |
| 30 mph (48.28 km/h) | 30.83 mph (49.61 km/h) |
| 35 mph (56.33 km/h) | 35.96 mph (57.88 km/h) |
| 40 mph (64.37 km/h) | 41.1 mph (66.15 km/h) |
| 45 mph (72.42 km/h) | 46.24 mph (74.41 km/h) |
| 50 mph (80.47 km/h) | 51.38 mph (82.68 km/h) |
| 55 mph (88.51 km/h) | 56.51 mph (90.95 km/h) |
| 60 mph (96.56 km/h) | 61.65 mph (99.22 km/h) |
| 65 mph (104.61 km/h) | 66.79 mph (107.49 km/h) |
| 70 mph (112.65 km/h) | 71.93 mph (115.76 km/h) |
| 75 mph (120.7 km/h) | 77.06 mph (124.02 km/h) |
| 80 mph (128.75 km/h) | 82.2 mph (132.29 km/h) |
| 85 mph (136.79 km/h) | 87.34 mph (140.56 km/h) |
| 90 mph (144.84 km/h) | 92.48 mph (148.83 km/h) |
| 95 mph (152.89 km/h) | 97.62 mph (157.1 km/h) |
| 100 mph (160.93 km/h) | 102.75 mph (165.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 2319 | 2497 | 2608 | 2727 | 2811 | 2905 | 3015 | 3168 | 3321 | 3491 | 3627 | 3873 | 4145 | 4357 | 4493 | 4570 | 4850 | 5241 | 6090 |
Better Fuel Economy Factory Ratios Increased Power
