Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-19 | 235/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.76 (730.6) | 27.33 (694.1) | -1.44 (-36.5) -5% |
| Width inches (mm) | 6.1 (155) | 9.25 (235) | 3.15 (80) 51.6% |
| Circum. inches (mm) | 90.36 (2295.25) | 85.85 (2180.58) | -4.51 (-114.67) -5% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.16 (105.75) | -0.72 (-18.25) -14.7% |
| Revolutions per mile (km) | 701.16 (435.68) | 738.04 (458.59) | 36.87 (22.91) 5.3% |
235/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19 mph (30.58 km/h) |
| 25 mph (40.23 km/h) | 23.75 mph (38.22 km/h) |
| 30 mph (48.28 km/h) | 28.5 mph (45.87 km/h) |
| 35 mph (56.33 km/h) | 33.25 mph (53.51 km/h) |
| 40 mph (64.37 km/h) | 38 mph (61.16 km/h) |
| 45 mph (72.42 km/h) | 42.75 mph (68.8 km/h) |
| 50 mph (80.47 km/h) | 47.5 mph (76.45 km/h) |
| 55 mph (88.51 km/h) | 52.25 mph (84.09 km/h) |
| 60 mph (96.56 km/h) | 57 mph (91.74 km/h) |
| 65 mph (104.61 km/h) | 61.75 mph (99.38 km/h) |
| 70 mph (112.65 km/h) | 66.5 mph (107.03 km/h) |
| 75 mph (120.7 km/h) | 71.25 mph (114.67 km/h) |
| 80 mph (128.75 km/h) | 76 mph (122.32 km/h) |
| 85 mph (136.79 km/h) | 80.75 mph (129.96 km/h) |
| 90 mph (144.84 km/h) | 85.5 mph (137.61 km/h) |
| 95 mph (152.89 km/h) | 90.25 mph (145.25 km/h) |
| 100 mph (160.93 km/h) | 95 mph (152.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1878 | 2182 | 2350 | 2454 | 2565 | 2645 | 2733 | 2837 | 2981 | 3125 | 3285 | 3413 | 3644 | 3900 | 4100 | 4228 | 4300 | 4564 | 4931 | 5730 |
Better Fuel Economy Factory Ratios Increased Power
