Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-19 | 175/75-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.76 (730.6) | 29.33 (745.1) | 0.57 (14.5) 2% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 90.36 (2295.25) | 92.16 (2340.8) | 1.79 (45.55) 2% |
| Sidewall Height inches (mm) | 4.88 (124) | 5.17 (131.25) | 0.29 (7.25) 5.8% |
| Revolutions per mile (km) | 701.16 (435.68) | 687.52 (427.2) | -13.64 (-8.48) -1.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.4 mph (32.83 km/h) |
| 25 mph (40.23 km/h) | 25.5 mph (41.03 km/h) |
| 30 mph (48.28 km/h) | 30.6 mph (49.24 km/h) |
| 35 mph (56.33 km/h) | 35.69 mph (57.45 km/h) |
| 40 mph (64.37 km/h) | 40.79 mph (65.65 km/h) |
| 45 mph (72.42 km/h) | 45.89 mph (73.86 km/h) |
| 50 mph (80.47 km/h) | 50.99 mph (82.06 km/h) |
| 55 mph (88.51 km/h) | 56.09 mph (90.27 km/h) |
| 60 mph (96.56 km/h) | 61.19 mph (98.48 km/h) |
| 65 mph (104.61 km/h) | 66.29 mph (106.68 km/h) |
| 70 mph (112.65 km/h) | 71.39 mph (114.89 km/h) |
| 75 mph (120.7 km/h) | 76.49 mph (123.1 km/h) |
| 80 mph (128.75 km/h) | 81.59 mph (131.3 km/h) |
| 85 mph (136.79 km/h) | 86.69 mph (139.51 km/h) |
| 90 mph (144.84 km/h) | 91.79 mph (147.72 km/h) |
| 95 mph (152.89 km/h) | 96.89 mph (155.92 km/h) |
| 100 mph (160.93 km/h) | 101.98 mph (164.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1750 | 2033 | 2189 | 2286 | 2390 | 2464 | 2546 | 2643 | 2777 | 2911 | 3060 | 3179 | 3395 | 3633 | 3819 | 3938 | 4005 | 4251 | 4594 | 5338 |
Better Fuel Economy Factory Ratios Increased Power
