2009 BMW M5 vs. 1984 Ford Sierra
To start off, 2009 BMW M5 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 441 more horse power than 1984 Ford Sierra. (59 HP @ 5700 RPM). In normal driving conditions, 2009 BMW M5 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 985 kg more than 1984 Ford Sierra. 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, 2009 BMW M5 (520 Nm @ 6100 RPM) has 422 more torque (in Nm) than 1984 Ford Sierra. (98 Nm @ 3100 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 2009 BMW M5 | 1984 Ford Sierra | |
| Make | BMW | Ford |
| Model | M5 | Sierra |
| Year Released | 2009 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 1294 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 500 HP | 59 HP |
| Engine RPM | 7750 RPM | 5700 RPM |
| Torque | 520 Nm | 98 Nm |
| Torque RPM | 6100 RPM | 3100 RPM |
| Engine Compression Ratio | 12.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1955 kg | 970 kg |
| Vehicle Length | 4860 mm | 4400 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1520 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 60 L |
