2009 Cadillac DTS vs. 1978 Porsche 911
To start off, 2009 Cadillac DTS is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Porsche 911. In addition, the cost of maintenance, including insurance, on 1978 Porsche 911 would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac DTS is equipped with a bigger engine. In terms of performance, 1978 Porsche 911 (355 HP @ 4200 RPM) has 80 more horse power than 2009 Cadillac DTS. (275 HP @ 6000 RPM) In normal driving conditions, 1978 Porsche 911 should accelerate faster than 2009 Cadillac DTS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac DTS weights approximately 456 kg more than 1978 Porsche 911.
Because 1978 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2009 Cadillac DTS, being front wheel drive (FWD), will offer much better control with better grip. 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, 1978 Porsche 911 (750 Nm @ 2000 RPM) has 350 more torque (in Nm) than 2009 Cadillac DTS. (400 Nm @ 4400 RPM). This means 1978 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac DTS.
Compare all specifications:
| 2009 Cadillac DTS | 1978 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | DTS | 911 |
| Year Released | 2009 | 1978 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4565 cc | 2992 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 275 HP | 355 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 400 Nm | 750 Nm |
| Torque RPM | 4400 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1635 kg | 1179 kg |
| Vehicle Length | 5280 mm | 4300 mm |
| Vehicle Width | 1910 mm | 1660 mm |
| Vehicle Height | 1470 mm | 1330 mm |
| Wheelbase Size | 2940 mm | 2270 mm |
| Fuel Tank Capacity | 68 L | 80 L |
