2004 Audi A4 vs. 2002 Opel Concept M
To start off, 2004 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Opel Concept M. In addition, the cost of maintenance, including insurance, on 2002 Opel Concept M would be higher. At 1,984 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (187 HP @ 5100 RPM) has 39 more horse power than 2002 Opel Concept M. (148 HP @ 4400 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2002 Opel Concept M. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 242 kg more than 2002 Opel Concept M. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Opel Concept M. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 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, 2004 Audi A4 (280 Nm @ 1800 RPM) has 75 more torque (in Nm) than 2002 Opel Concept M. (205 Nm @ 1980 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Concept M.
Compare all specifications:
| 2004 Audi A4 | 2002 Opel Concept M | |
| Make | Audi | Opel |
| Model | A4 | Concept M |
| Year Released | 2004 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1599 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 187 HP | 148 HP |
| Engine RPM | 5100 RPM | 4400 RPM |
| Torque | 280 Nm | 205 Nm |
| Torque RPM | 1800 RPM | 1980 RPM |
| Top Speed | 233 km/hour | 202 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 9.8 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1298 kg |
| Vehicle Length | 4590 mm | 4060 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1630 mm |
| Wheelbase Size | 2470 mm | 2640 mm |
| Fuel Tank Capacity | 63 L | 52 L |
