2009 Cadillac SRX vs. 1973 Mercedes-Benz 450
To start off, 2009 Cadillac SRX 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 4,520 cc (8 cylinders), 1973 Mercedes-Benz 450 is equipped with a bigger engine. In terms of performance, 2009 Cadillac SRX (254 HP @ 6500 RPM) has 29 more horse power than 1973 Mercedes-Benz 450. (225 HP @ 5000 RPM). In normal driving conditions, 2009 Cadillac SRX should accelerate faster than 1973 Mercedes-Benz 450. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac SRX weights approximately 329 kg more than 1973 Mercedes-Benz 450. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Cadillac SRX 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 Cadillac SRX 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, 1973 Mercedes-Benz 450 (378 Nm @ 3000 RPM) has 38 more torque (in Nm) than 2009 Cadillac SRX. (340 Nm @ 2800 RPM). This means 1973 Mercedes-Benz 450 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac SRX.
Compare all specifications:
| 2009 Cadillac SRX | 1973 Mercedes-Benz 450 | |
| Make | Cadillac | Mercedes-Benz |
| Model | SRX | 450 |
| Year Released | 2009 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 4520 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 254 HP | 225 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 340 Nm | 378 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Engine Bore Size | 94 mm | 92 mm |
| Engine Stroke Size | 85.6 mm | 85 mm |
| Top Speed | 201 km/hour | 211 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2071 kg | 1742 kg |
| Vehicle Length | 4960 mm | 4970 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1730 mm | 1430 mm |
| Wheelbase Size | 2960 mm | 2870 mm |
