2005 Audi A4 vs. 2001 Opel Frogster
To start off, 2005 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Frogster. In addition, the cost of maintenance, including insurance, on 2001 Opel Frogster would be higher. At 1,894 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (100 HP @ 1900 RPM) has 43 more horse power than 2001 Opel Frogster. (57 HP @ 5600 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2001 Opel Frogster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 152 kg more than 2001 Opel Frogster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Audi A4 (250 Nm @ 1900 RPM) has 163 more torque (in Nm) than 2001 Opel Frogster. (87 Nm @ 3800 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Frogster.
Compare all specifications:
| 2005 Audi A4 | 2001 Opel Frogster | |
| Make | Audi | Opel |
| Model | A4 | Frogster |
| Year Released | 2005 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1894 cc | 973 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 57 HP |
| Engine RPM | 1900 RPM | 5600 RPM |
| Torque | 250 Nm | 87 Nm |
| Torque RPM | 1900 RPM | 3800 RPM |
| Engine Bore Size | 79.5 mm | 72.6 mm |
| Engine Stroke Size | 95.5 mm | 78.6 mm |
| Engine Compression Ratio | 19.0:1 | 10.1:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1298 kg |
| Vehicle Length | 4550 mm | 3720 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1540 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Tank Capacity | 70 L | 52 L |
