1981 BMW 520 vs. 2007 Hyundai Elantra
To start off, 2007 Hyundai Elantra 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 1,999 cc (4 cylinders), 2007 Hyundai Elantra is equipped with a bigger engine. In terms of performance, 2007 Hyundai Elantra (138 HP @ 6000 RPM) has 15 more horse power than 1981 BMW 520. (123 HP @ 5800 RPM) In normal driving conditions, 2007 Hyundai Elantra should accelerate faster than 1981 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hyundai Elantra weights approximately 230 kg more than 1981 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 BMW 520 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 2007 Hyundai Elantra, being front wheel drive (FWD), will offer much better control with better grip. 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 Hyundai Elantra (184 Nm @ 4600 RPM) has 14 more torque (in Nm) than 1981 BMW 520. (170 Nm @ 4000 RPM). This means 2007 Hyundai Elantra will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 520.
Compare all specifications:
| 1981 BMW 520 | 2007 Hyundai Elantra | |
| Make | BMW | Hyundai |
| Model | 520 | Elantra |
| Year Released | 1981 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 138 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 170 Nm | 184 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 80 mm | 82 mm |
| Engine Stroke Size | 66 mm | 93.5 mm |
| Engine Compression Ratio | 9.8:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1220 kg | 1450 kg |
| Vehicle Length | 4630 mm | 4510 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1490 mm |
| Wheelbase Size | 2630 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 45 L |
