2005 Alpina Roadster vs. 1991 Opel Frontera
To start off, 2005 Alpina Roadster is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Opel Frontera. In addition, the cost of maintenance, including insurance, on 1991 Opel Frontera would be higher. At 3,346 cc (6 cylinders), 2005 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2005 Alpina Roadster (301 HP @ 6300 RPM) has 187 more horse power than 1991 Opel Frontera. (114 HP @ 5200 RPM). In normal driving conditions, 2005 Alpina Roadster should accelerate faster than 1991 Opel Frontera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Frontera weights approximately 13 kg more than 2005 Alpina Roadster.
Because 1991 Opel Frontera is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 1991 Opel Frontera 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, 2005 Alpina Roadster (362 Nm @ 4800 RPM) has 192 more torque (in Nm) than 1991 Opel Frontera. (170 Nm @ 2800 RPM). This means 2005 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Frontera.
Compare all specifications:
| 2005 Alpina Roadster | 1991 Opel Frontera | |
| Make | Alpina | Opel |
| Model | Roadster | Frontera |
| Year Released | 2005 | 1991 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 114 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 362 Nm | 170 Nm |
| Torque RPM | 4800 RPM | 2800 RPM |
| Engine Bore Size | 87 mm | 86 mm |
| Engine Stroke Size | 93.8 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1626 kg | 1639 kg |
| Vehicle Length | 4100 mm | 4210 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1300 mm | 1700 mm |
| Wheelbase Size | 2500 mm | 2470 mm |
| Fuel Tank Capacity | 55 L | 75 L |
