2009 Audi A5 vs. 1973 Mercedes-Benz 450
To start off, 2009 Audi A5 is newer by 36 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, 2009 Audi A5 (237 HP @ 4000 RPM) has 12 more horse power than 1973 Mercedes-Benz 450. (225 HP @ 5000 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 1973 Mercedes-Benz 450. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercedes-Benz 450 weights approximately 25 kg more than 2009 Audi A5.
Because 2009 Audi A5 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, 2009 Audi A5 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, 2009 Audi A5 (500 Nm @ 1500 RPM) has 122 more torque (in Nm) than 1973 Mercedes-Benz 450. (378 Nm @ 3000 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mercedes-Benz 450. 1973 Mercedes-Benz 450 has automatic transmission and 2009 Audi A5 has manual transmission. 2009 Audi A5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1973 Mercedes-Benz 450 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A5 | 1973 Mercedes-Benz 450 | |
| Make | Audi | Mercedes-Benz |
| Model | A5 | 450 |
| Year Released | 2009 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 4519 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 237 HP | 225 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 500 Nm | 378 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 91.4 mm | 85 mm |
| Engine Compression Ratio | 16.8:1 | 8.8:1 |
| Top Speed | 250 km/hour | 215 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 8.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1635 kg |
| Vehicle Length | 4630 mm | 4760 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1340 mm |
| Wheelbase Size | 2760 mm | 2820 mm |
| Fuel Tank Capacity | 64 L | 90 L |
