1977 BMW 520 vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 32 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (300 HP) has 166 more horse power than 1977 BMW 520. (134 HP) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 217 kg more than 1977 BMW 520. 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, 1977 BMW 520 (280 Nm @ 1750 RPM) has 7 more torque (in Nm) than 2009 Cadillac STS. (273 Nm @ 5200 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS. 2009 Cadillac STS has automatic transmission and 1977 BMW 520 has manual transmission. 1977 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 BMW 520 | 2009 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 520 | STS |
| Year Released | 1977 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 3564 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 300 HP |
| Torque | 280 Nm | 273 Nm |
| Torque RPM | 1750 RPM | 5200 RPM |
| Engine Bore Size | 84 mm | 94 mm |
| Engine Stroke Size | 88 mm | 85.6 mm |
| Engine Compression Ratio | 19.0:1 | 11.3:1 |
| Top Speed | 206 km/hour | 230 km/hour |
| Acceleration 0-100mph | 10.9 seconds | 7.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1782 kg |
| Vehicle Length | 4780 mm | 4990 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2960 mm |
| Fuel Consumption | 4.7 L/100km | 10 L/100km |
| Fuel Consumption City | 7.8 L/100km | 14 L/100km |
| Fuel Consumption Overall | 5.9 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 70 L | 58 L |
