1975 BMW 315 vs. 2006 Cadillac STS
To start off, 2006 Cadillac STS is newer by 31 year(s). Which means there will be less support and parts availability for 1975 BMW 315. In addition, the cost of maintenance, including insurance, on 1975 BMW 315 would be higher. At 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 178 more horse power than 1975 BMW 315. (75 HP @ 5800 RPM) In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1975 BMW 315. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 772 kg more than 1975 BMW 315. 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, 2006 Cadillac STS (342 Nm @ 3200 RPM) has 232 more torque (in Nm) than 1975 BMW 315. (110 Nm @ 3200 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 315.
Compare all specifications:
| 1975 BMW 315 | 2006 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 315 | STS |
| Year Released | 1975 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 3563 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 253 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 110 Nm | 342 Nm |
| Torque RPM | 3200 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 94 mm |
| Engine Stroke Size | 71 mm | 85.6 mm |
| Engine Compression Ratio | 9.5:1 | 10.2:1 |
| Top Speed | 154 km/hour | 229 km/hour |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1010 kg | 1782 kg |
| Vehicle Length | 4360 mm | 4990 mm |
| Vehicle Width | 1620 mm | 1850 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2960 mm |
