1993 BMW 840 vs. 2009 BMW 523
To start off, 2009 BMW 523 is newer by 16 year(s). Which means there will be less support and parts availability for 1993 BMW 840. In addition, the cost of maintenance, including insurance, on 1993 BMW 840 would be higher. At 3,981 cc (8 cylinders), 1993 BMW 840 is equipped with a bigger engine. In terms of performance, 1993 BMW 840 (282 HP @ 5800 RPM) has 107 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 1993 BMW 840 should accelerate faster than 2009 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 1993 BMW 840 weights approximately 265 kg more than 2009 BMW 523. 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, 1993 BMW 840 (400 Nm @ 4500 RPM) has 170 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 1993 BMW 840 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523. 2009 BMW 523 has automatic transmission and 1993 BMW 840 has manual transmission. 1993 BMW 840 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 523 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1993 BMW 840 | 2009 BMW 523 | |
| Make | BMW | BMW |
| Model | 840 | 523 |
| Year Released | 1993 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3981 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 282 HP | 175 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 400 Nm | 230 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 82.1 mm |
| Engine Stroke Size | 80 mm | 78.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1565 kg |
| Vehicle Length | 4790 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2690 mm | 2890 mm |
| Fuel Tank Capacity | 90 L | 70 L |
