1991 Buick Roadmaster vs. 2012 Opel Insignia
To start off, 2012 Opel Insignia is newer by 21 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2012 Opel Insignia (321 HP @ 5500 RPM) has 144 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2012 Opel Insignia should accelerate faster than 1991 Buick Roadmaster.
Because 2012 Opel Insignia is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Roadmaster. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 Opel Insignia (435 Nm @ 5500 RPM) has 42 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2012 Opel Insignia will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2012 Opel Insignia | |
| Make | Buick | Opel |
| Model | Roadmaster | Insignia |
| Year Released | 1991 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 2792 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 321 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 393 Nm | 435 Nm |
| Torque RPM | 2400 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5280 mm | 4830 mm |
| Vehicle Width | 2040 mm | 1856 mm |
| Vehicle Height | 1650 mm | 1498 mm |
| Wheelbase Size | 2950 mm | 2737 mm |
