Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/90-16 | 235/45-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.28 (667.4) | 27.33 (694.1) | 1.05 (26.7) 4% |
| Width inches (mm) | 5.71 (145) | 9.25 (235) | 3.54 (90) 62.1% |
| Circum. inches (mm) | 82.55 (2096.7) | 85.85 (2180.58) | 3.3 (83.88) 4% |
| Sidewall Height inches (mm) | 5.14 (130.5) | 4.16 (105.75) | -0.97 (-24.75) -19% |
| Revolutions per mile (km) | 767.56 (476.94) | 738.04 (458.59) | -29.53 (-18.35) -3.8% |
235/45-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.8 mph (33.47 km/h) |
| 25 mph (40.23 km/h) | 26 mph (41.84 km/h) |
| 30 mph (48.28 km/h) | 31.2 mph (50.21 km/h) |
| 35 mph (56.33 km/h) | 36.4 mph (58.58 km/h) |
| 40 mph (64.37 km/h) | 41.6 mph (66.95 km/h) |
| 45 mph (72.42 km/h) | 46.8 mph (75.32 km/h) |
| 50 mph (80.47 km/h) | 52 mph (83.69 km/h) |
| 55 mph (88.51 km/h) | 57.2 mph (92.06 km/h) |
| 60 mph (96.56 km/h) | 62.4 mph (100.42 km/h) |
| 65 mph (104.61 km/h) | 67.6 mph (108.79 km/h) |
| 70 mph (112.65 km/h) | 72.8 mph (117.16 km/h) |
| 75 mph (120.7 km/h) | 78 mph (125.53 km/h) |
| 80 mph (128.75 km/h) | 83.2 mph (133.9 km/h) |
| 85 mph (136.79 km/h) | 88.4 mph (142.27 km/h) |
| 90 mph (144.84 km/h) | 93.6 mph (150.64 km/h) |
| 95 mph (152.89 km/h) | 98.8 mph (159 km/h) |
| 100 mph (160.93 km/h) | 104 mph (167.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
