1981 BMW 520 vs. 2007 Cadillac STS-V
To start off, 2007 Cadillac STS-V is newer by 26 year(s). Which means there will be less support and parts availability for 1981 BMW 520. In addition, the cost of maintenance, including insurance, on 1981 BMW 520 would be higher. At 4,376 cc (8 cylinders), 2007 Cadillac STS-V is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS-V (469 HP @ 6400 RPM) has 346 more horse power than 1981 BMW 520. (123 HP @ 5800 RPM) In normal driving conditions, 2007 Cadillac STS-V should accelerate faster than 1981 BMW 520.
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-V (595 Nm @ 3900 RPM) has 425 more torque (in Nm) than 1981 BMW 520. (170 Nm @ 4000 RPM). This means 2007 Cadillac STS-V will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 520. 2007 Cadillac STS-V has automatic transmission and 1981 BMW 520 has manual transmission. 1981 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS-V will be easier to drive especially in heavy traffic.
Compare all specifications:
1981 BMW 520 | 2007 Cadillac STS-V | |
Make | BMW | Cadillac |
Model | 520 | STS-V |
Year Released | 1981 | 2007 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 1991 cc | 4376 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 123 HP | 469 HP |
Engine RPM | 5800 RPM | 6400 RPM |
Torque | 170 Nm | 595 Nm |
Torque RPM | 4000 RPM | 3900 RPM |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Length | 4630 mm | 5030 mm |
Vehicle Width | 1710 mm | 1850 mm |
Vehicle Height | 1430 mm | 1480 mm |
Wheelbase Size | 2630 mm | 2960 mm |
Fuel Tank Capacity | 70 L | 64 L |