2007 Cadillac SRX vs. 1977 Mercedes-Benz 450
To start off, 2007 Cadillac SRX is newer by 30 year(s). Which means there will be less support and parts availability for 1977 Mercedes-Benz 450. In addition, the cost of maintenance, including insurance, on 1977 Mercedes-Benz 450 would be higher. At 5,025 cc (8 cylinders), 1977 Mercedes-Benz 450 is equipped with a bigger engine. In terms of performance, 2007 Cadillac SRX (255 HP @ 6500 RPM) has 17 more horse power than 1977 Mercedes-Benz 450. (238 HP @ 5000 RPM). In normal driving conditions, 2007 Cadillac SRX should accelerate faster than 1977 Mercedes-Benz 450. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac SRX weights approximately 374 kg more than 1977 Mercedes-Benz 450. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac SRX is four wheel drive (4WD), it will have significant more traction and grip than 1977 Mercedes-Benz 450. In wet, icy, snow, or gravel driving conditions, 2007 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, 1977 Mercedes-Benz 450 (402 Nm @ 3200 RPM) has 58 more torque (in Nm) than 2007 Cadillac SRX. (344 Nm @ 2800 RPM). This means 1977 Mercedes-Benz 450 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac SRX.
Compare all specifications:
| 2007 Cadillac SRX | 1977 Mercedes-Benz 450 | |
| Make | Cadillac | Mercedes-Benz |
| Model | SRX | 450 |
| Year Released | 2007 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 3554 cc | 5025 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 255 HP | 238 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 344 Nm | 402 Nm |
| Torque RPM | 2800 RPM | 3200 RPM |
| Engine Bore Size | 94 mm | 97 mm |
| Engine Stroke Size | 85.6 mm | 85 mm |
| Engine Compression Ratio | 10.2:1 | 8.8:1 |
| Top Speed | 201 km/hour | 225 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 8.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1889 kg | 1515 kg |
| Vehicle Length | 4960 mm | 4760 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1730 mm | 1340 mm |
| Wheelbase Size | 2950 mm | 2820 mm |
| Fuel Tank Capacity | 76 L | 90 L |
