2009 BMW 335 vs. 1981 BMW 520
To start off, 2009 BMW 335 is newer by 28 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 2,496 cc, 2009 BMW 335 is equipped with a bigger engine. In terms of performance, 2009 BMW 335 (215 HP @ 6500 RPM) has 92 more horse power than 1981 BMW 520. (123 HP @ 5800 RPM). In normal driving conditions, 2009 BMW 335 should accelerate faster than 1981 BMW 520.
Let's talk about torque, 2009 BMW 335 (200 Nm @ 4250 RPM) has 30 more torque (in Nm) than 1981 BMW 520. (170 Nm @ 4000 RPM). This means 2009 BMW 335 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 520.
Compare all specifications:
| 2009 BMW 335 | 1981 BMW 520 | |
| Make | BMW | BMW |
| Model | 335 | 520 |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1991 cc |
| Horse Power | 215 HP | 123 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 200 Nm | 170 Nm |
| Torque RPM | 4250 RPM | 4000 RPM |
| Engine Compression Ratio | 11.0:1 | 9.8:1 |
| Top Speed | 240 km/hour | 185 km/hour |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4530 mm | 4630 mm |
| Vehicle Width | 2020 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2630 mm |
| Fuel Tank Capacity | 63 L | 70 L |
