2003 Alfa Romeo 156 vs. 1991 Opel Frontera
To start off, 2003 Alfa Romeo 156 is newer by 12 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 2,387 cc (6 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (189 HP @ 6300 RPM) has 75 more horse power than 1991 Opel Frontera. (114 HP @ 5200 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 1991 Opel Frontera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Frontera weights approximately 205 kg more than 2003 Alfa Romeo 156.
Because 1991 Opel Frontera is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. 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, 2003 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 48 more torque (in Nm) than 1991 Opel Frontera. (170 Nm @ 2800 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Frontera.
Compare all specifications:
| 2003 Alfa Romeo 156 | 1991 Opel Frontera | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Frontera |
| Year Released | 2003 | 1991 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 189 HP | 114 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 218 Nm | 170 Nm |
| Torque RPM | 5000 RPM | 2800 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 68.3 mm | 86 mm |
| Engine Compression Ratio | 10.3:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1434 kg | 1639 kg |
| Vehicle Length | 4440 mm | 4210 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1700 mm |
| Wheelbase Size | 2600 mm | 2470 mm |
| Fuel Tank Capacity | 63 L | 75 L |
