2006 BMW 523 vs. 1977 BMW 320
To start off, 2006 BMW 523 is newer by 29 year(s). Which means there will be less support and parts availability for 1977 BMW 320. In addition, the cost of maintenance, including insurance, on 1977 BMW 320 would be higher. At 2,497 cc, 2006 BMW 523 is equipped with a bigger engine. In terms of performance, 2006 BMW 523 (175 HP @ 5800 RPM) has 53 more horse power than 1977 BMW 320. (122 HP @ 6000 RPM). In normal driving conditions, 2006 BMW 523 should accelerate faster than 1977 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 523 weights approximately 715 kg more than 1977 BMW 320. 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 BMW 523 (230 Nm @ 3500 RPM) has 70 more torque (in Nm) than 1977 BMW 320. (160 Nm @ 4000 RPM). This means 2006 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 320.
Compare all specifications:
| 2006 BMW 523 | 1977 BMW 320 | |
| Make | BMW | BMW |
| Model | 523 | 320 |
| Year Released | 2006 | 1977 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1989 cc |
| Horse Power | 175 HP | 122 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 160 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1120 kg |
| Vehicle Length | 4850 mm | 4360 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1470 mm | 1390 mm |
| Wheelbase Size | 2890 mm | 2580 mm |
| Fuel Tank Capacity | 70 L | 52 L |
