1973 Mercedes-Benz 450 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Mercedes-Benz 450. In addition, the cost of maintenance, including insurance, on 1973 Mercedes-Benz 450 would be higher. At 4,519 cc (8 cylinders), 1973 Mercedes-Benz 450 is equipped with a bigger engine. In terms of performance, 1973 Mercedes-Benz 450 (225 HP @ 5000 RPM) has 3 more horse power than 2007 Audi A4. (222 HP @ 4000 RPM). In normal driving conditions, 1973 Mercedes-Benz 450 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercedes-Benz 450 weights approximately 205 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Mercedes-Benz 450. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 72 more torque (in Nm) than 1973 Mercedes-Benz 450. (378 Nm @ 3000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mercedes-Benz 450.
Compare all specifications:
| 1973 Mercedes-Benz 450 | 2007 Audi A4 | |
| Make | Mercedes-Benz | Audi |
| Model | 450 | A4 |
| Year Released | 1973 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4519 cc | 2967 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 225 HP | 222 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 378 Nm | 450 Nm |
| Torque RPM | 3000 RPM | 1400 RPM |
| Engine Compression Ratio | 8.8:1 | 17.0:1 |
| Top Speed | 215 km/hour | 226 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 7.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1430 kg |
| Vehicle Length | 4760 mm | 4550 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1340 mm | 1430 mm |
| Wheelbase Size | 2820 mm | 2660 mm |
| Fuel Tank Capacity | 90 L | 70 L |
