Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-14 | 175/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.76 (603.6) | 25.02 (635.6) | 1.26 (32) 5.3% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 74.66 (1896.27) | 78.61 (1996.8) | 3.96 (100.53) 5.3% |
| Sidewall Height inches (mm) | 4.88 (124) | 5.51 (140) | 0.63 (16) 12.9% |
| Revolutions per mile (km) | 848.69 (527.35) | 805.96 (500.8) | -42.73 (-26.55) -5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.06 mph (33.89 km/h) |
| 25 mph (40.23 km/h) | 26.33 mph (42.37 km/h) |
| 30 mph (48.28 km/h) | 31.59 mph (50.84 km/h) |
| 35 mph (56.33 km/h) | 36.86 mph (59.31 km/h) |
| 40 mph (64.37 km/h) | 42.12 mph (67.79 km/h) |
| 45 mph (72.42 km/h) | 47.39 mph (76.26 km/h) |
| 50 mph (80.47 km/h) | 52.65 mph (84.73 km/h) |
| 55 mph (88.51 km/h) | 57.92 mph (93.21 km/h) |
| 60 mph (96.56 km/h) | 63.18 mph (101.68 km/h) |
| 65 mph (104.61 km/h) | 68.45 mph (110.15 km/h) |
| 70 mph (112.65 km/h) | 73.71 mph (118.63 km/h) |
| 75 mph (120.7 km/h) | 78.98 mph (127.1 km/h) |
| 80 mph (128.75 km/h) | 84.24 mph (135.57 km/h) |
| 85 mph (136.79 km/h) | 89.51 mph (144.05 km/h) |
| 90 mph (144.84 km/h) | 94.77 mph (152.52 km/h) |
| 95 mph (152.89 km/h) | 100.04 mph (160.99 km/h) |
| 100 mph (160.93 km/h) | 105.3 mph (169.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2051 | 2383 | 2566 | 2679 | 2802 | 2889 | 2985 | 3098 | 3255 | 3413 | 3587 | 3727 | 3980 | 4259 | 4477 | 4617 | 4696 | 4984 | 5385 | 6258 |
Better Fuel Economy Factory Ratios Increased Power
