2007 BMW M6 vs. 1991 Citroen ZX
To start off, 2007 BMW M6 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Citroen ZX. In addition, the cost of maintenance, including insurance, on 1991 Citroen ZX would be higher. At 4,999 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP @ 7750 RPM) has 425 more horse power than 1991 Citroen ZX. (75 HP @ 5800 RPM). In normal driving conditions, 2007 BMW M6 should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M6 weights approximately 785 kg more than 1991 Citroen ZX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW M6 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 2007 BMW M6. However, in wet, icy, snow, or gravel driving conditions, 1991 Citroen ZX, 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 BMW M6 (520 Nm @ 6100 RPM) has 410 more torque (in Nm) than 1991 Citroen ZX. (110 Nm @ 3400 RPM). This means 2007 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX. 2007 BMW M6 has automatic transmission and 1991 Citroen ZX has manual transmission. 1991 Citroen ZX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW M6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW M6 | 1991 Citroen ZX | |
| Make | BMW | Citroen |
| Model | M6 | ZX |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 1360 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 500 HP | 75 HP |
| Engine RPM | 7750 RPM | 5800 RPM |
| Torque | 520 Nm | 110 Nm |
| Torque RPM | 6100 RPM | 3400 RPM |
| Engine Bore Size | 92 mm | 75 mm |
| Engine Stroke Size | 75.2 mm | 77 mm |
| Engine Compression Ratio | 12.0:1 | 9.3:1 |
| Top Speed | 250 km/hour | 167 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1785 kg | 1000 kg |
| Vehicle Length | 4880 mm | 4070 mm |
| Vehicle Width | 1380 mm | 1710 mm |
| Vehicle Height | 1860 mm | 1410 mm |
| Wheelbase Size | 2790 mm | 2550 mm |
| Fuel Tank Capacity | 70 L | 56 L |
