2007 Cadillac STS vs. 1978 Opel Kadett
To start off, 2007 Cadillac STS is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1978 Opel Kadett would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 269 more horse power than 1978 Opel Kadett. (51 HP @ 5600 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 848 kg more than 1978 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Cadillac STS (427 Nm @ 4400 RPM) has 347 more torque (in Nm) than 1978 Opel Kadett. (80 Nm @ 3400 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Kadett. 2007 Cadillac STS has automatic transmission and 1978 Opel Kadett has manual transmission. 1978 Opel Kadett will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Cadillac STS | 1978 Opel Kadett | |
| Make | Cadillac | Opel |
| Model | STS | Kadett |
| Year Released | 2007 | 1978 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1196 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 51 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 427 Nm | 80 Nm |
| Torque RPM | 4400 RPM | 3400 RPM |
| Engine Bore Size | 93 mm | 79 mm |
| Engine Stroke Size | 84 mm | 61 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1638 kg | 790 kg |
| Vehicle Length | 4990 mm | 4140 mm |
| Vehicle Width | 1850 mm | 1590 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2960 mm | 2410 mm |
| Fuel Tank Capacity | 64 L | 43 L |
