2008 BMW M5 vs. 1984 Ford Sierra
To start off, 2008 BMW M5 is newer by 24 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), 2008 BMW M5 is equipped with a bigger engine. In terms of performance, 2008 BMW M5 (500 HP @ 7750 RPM) has 434 more horse power than 1984 Ford Sierra. (66 HP @ 4200 RPM). In normal driving conditions, 2008 BMW M5 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M5 weights approximately 635 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, 2008 BMW M5 (520 Nm @ 6100 RPM) has 380 more torque (in Nm) than 1984 Ford Sierra. (140 Nm @ 2000 RPM). This means 2008 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 2008 BMW M5 has automatic transmission and 1984 Ford Sierra has manual transmission. 1984 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW M5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW M5 | 1984 Ford Sierra | |
| Make | BMW | Ford |
| Model | M5 | Sierra |
| Year Released | 2008 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2304 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 500 HP | 66 HP |
| Engine RPM | 7750 RPM | 4200 RPM |
| Torque | 520 Nm | 140 Nm |
| Torque RPM | 6100 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 94 mm |
| Engine Stroke Size | 75.2 mm | 83 mm |
| Top Speed | 250 km/hour | 155 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 1195 kg |
| Vehicle Length | 4860 mm | 4420 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1480 mm | 1420 mm |
| Wheelbase Size | 2900 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 60 L |
