Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-21 | 235/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.97 (735.9) | 29.18 (741.1) | 0.2 (5.2) 0.7% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 91.02 (2311.9) | 91.66 (2328.23) | 0.64 (16.34) 0.7% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 5.09 (129.25) | 1.1 (28) 27.7% |
| Revolutions per mile (km) | 696.11 (432.54) | 691.23 (429.51) | -4.88 (-3.03) -0.7% |
235/55-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.14 mph (32.41 km/h) |
| 25 mph (40.23 km/h) | 25.18 mph (40.52 km/h) |
| 30 mph (48.28 km/h) | 30.21 mph (48.62 km/h) |
| 35 mph (56.33 km/h) | 35.25 mph (56.73 km/h) |
| 40 mph (64.37 km/h) | 40.28 mph (64.83 km/h) |
| 45 mph (72.42 km/h) | 45.32 mph (72.93 km/h) |
| 50 mph (80.47 km/h) | 50.35 mph (81.04 km/h) |
| 55 mph (88.51 km/h) | 55.39 mph (89.14 km/h) |
| 60 mph (96.56 km/h) | 60.42 mph (97.24 km/h) |
| 65 mph (104.61 km/h) | 65.46 mph (105.35 km/h) |
| 70 mph (112.65 km/h) | 70.49 mph (113.45 km/h) |
| 75 mph (120.7 km/h) | 75.53 mph (121.55 km/h) |
| 80 mph (128.75 km/h) | 80.57 mph (129.66 km/h) |
| 85 mph (136.79 km/h) | 85.6 mph (137.76 km/h) |
| 90 mph (144.84 km/h) | 90.64 mph (145.86 km/h) |
| 95 mph (152.89 km/h) | 95.67 mph (153.97 km/h) |
| 100 mph (160.93 km/h) | 100.71 mph (162.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1759 | 2043 | 2201 | 2298 | 2403 | 2478 | 2560 | 2657 | 2792 | 2927 | 3076 | 3196 | 3413 | 3653 | 3840 | 3960 | 4027 | 4274 | 4618 | 5367 |
Better Fuel Economy Factory Ratios Increased Power
