Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-19 | 165/90-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.76 (730.6) | 30.69 (779.6) | 1.93 (49) 6.7% |
| Width inches (mm) | 6.1 (155) | 6.5 (165) | 0.39 (10) 6.5% |
| Circum. inches (mm) | 90.36 (2295.25) | 96.42 (2449.19) | 6.06 (153.94) 6.7% |
| Sidewall Height inches (mm) | 4.88 (124) | 5.85 (148.5) | 0.96 (24.5) 19.8% |
| Revolutions per mile (km) | 701.16 (435.68) | 657.09 (408.3) | -44.07 (-27.38) -6.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.34 mph (34.35 km/h) |
| 25 mph (40.23 km/h) | 26.68 mph (42.93 km/h) |
| 30 mph (48.28 km/h) | 32.01 mph (51.52 km/h) |
| 35 mph (56.33 km/h) | 37.35 mph (60.1 km/h) |
| 40 mph (64.37 km/h) | 42.68 mph (68.69 km/h) |
| 45 mph (72.42 km/h) | 48.02 mph (77.28 km/h) |
| 50 mph (80.47 km/h) | 53.35 mph (85.86 km/h) |
| 55 mph (88.51 km/h) | 58.69 mph (94.45 km/h) |
| 60 mph (96.56 km/h) | 64.02 mph (103.04 km/h) |
| 65 mph (104.61 km/h) | 69.36 mph (111.62 km/h) |
| 70 mph (112.65 km/h) | 74.69 mph (120.21 km/h) |
| 75 mph (120.7 km/h) | 80.03 mph (128.8 km/h) |
| 80 mph (128.75 km/h) | 85.37 mph (137.38 km/h) |
| 85 mph (136.79 km/h) | 90.7 mph (145.97 km/h) |
| 90 mph (144.84 km/h) | 96.04 mph (154.56 km/h) |
| 95 mph (152.89 km/h) | 101.37 mph (163.14 km/h) |
| 100 mph (160.93 km/h) | 106.71 mph (171.73 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1672 | 1943 | 2092 | 2185 | 2284 | 2355 | 2434 | 2526 | 2654 | 2782 | 2925 | 3038 | 3245 | 3472 | 3650 | 3764 | 3828 | 4063 | 4390 | 5102 |
Better Fuel Economy Factory Ratios Increased Power
