2009 Citroen C4 vs. 1991 Opel Frontera
To start off, 2009 Citroen C4 is newer by 18 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 1,998 cc (4 cylinders), 1991 Opel Frontera is equipped with a bigger engine. In terms of performance, 2009 Citroen C4 (118 HP @ 6000 RPM) has 4 more horse power than 1991 Opel Frontera. (114 HP @ 5200 RPM). In normal driving conditions, 2009 Citroen C4 should accelerate faster than 1991 Opel Frontera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Frontera weights approximately 364 kg more than 2009 Citroen C4.
Because 1991 Opel Frontera is four wheel drive (4WD), it will have significant more traction and grip than 2009 Citroen C4. 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, 1991 Opel Frontera (170 Nm @ 2800 RPM) has 10 more torque (in Nm) than 2009 Citroen C4. (160 Nm @ 4250 RPM). This means 1991 Opel Frontera will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4.
Compare all specifications:
| 2009 Citroen C4 | 1991 Opel Frontera | |
| Make | Citroen | Opel |
| Model | C4 | Frontera |
| Year Released | 2009 | 1991 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 114 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 160 Nm | 170 Nm |
| Torque RPM | 4250 RPM | 2800 RPM |
| Engine Bore Size | 77.1 mm | 86 mm |
| Engine Stroke Size | 85.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1275 kg | 1639 kg |
| Vehicle Length | 4270 mm | 4210 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1700 mm |
| Wheelbase Size | 2610 mm | 2470 mm |
| Fuel Tank Capacity | 60 L | 75 L |
