2004 Buick Regal vs. 2011 Opel Insignia
To start off, 2011 Opel Insignia is newer by 7 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (197 HP) has 39 more horse power than 2011 Opel Insignia. (158 HP). In normal driving conditions, 2004 Buick Regal should accelerate faster than 2011 Opel Insignia.
Because 2011 Opel Insignia is four wheel drive (4WD), it will have significant more traction and grip than 2004 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2011 Opel Insignia will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2011 Opel Insignia (350 Nm) has 38 more torque (in Nm) than 2004 Buick Regal. (312 Nm). This means 2011 Opel Insignia will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Regal.
Compare all specifications:
| 2004 Buick Regal | 2011 Opel Insignia | |
| Make | Buick | Opel |
| Model | Regal | Insignia |
| Year Released | 2004 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1956 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 158 HP |
| Torque | 312 Nm | 350 Nm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4990 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1856 mm |
| Vehicle Height | 1440 mm | 1498 mm |
| Wheelbase Size | 3080 mm | 2737 mm |
