1977 BMW 728 vs. 2005 Cadillac STS
To start off, 2005 Cadillac STS is newer by 28 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 4,565 cc (8 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (321 HP @ 6400 RPM) has 151 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM) In normal driving conditions, 2005 Cadillac STS should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 281 kg more than 1977 BMW 728. 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, 2005 Cadillac STS (427 Nm @ 4400 RPM) has 192 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728. 2005 Cadillac STS has automatic transmission and 1977 BMW 728 has manual transmission. 1977 BMW 728 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 BMW 728 | 2005 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 728 | STS |
| Year Released | 1977 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 170 HP | 321 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 235 Nm | 427 Nm |
| Torque RPM | 3700 RPM | 4400 RPM |
| Engine Bore Size | 86 mm | 93.1 mm |
| Engine Stroke Size | 80 mm | 84 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1536 kg | 1817 kg |
| Vehicle Length | 4870 mm | 4990 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2800 mm | 2960 mm |
| Fuel Tank Capacity | 85 L | 66 L |
