1986 Ford Sierra vs. 2006 BMW 630
To start off, 2006 BMW 630 is newer by 20 year(s). Which means there will be less support and parts availability for 1986 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1986 Ford Sierra would be higher. At 2,996 cc (6 cylinders), 2006 BMW 630 is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 94 more horse power than 1986 Ford Sierra. (160 HP @ 5700 RPM) In normal driving conditions, 2006 BMW 630 should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 494 kg more than 1986 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 630. In wet, icy, snow, or gravel driving conditions, 1986 Ford Sierra will offer significantly more control. 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 630 (300 Nm @ 2500 RPM) has 84 more torque (in Nm) than 1986 Ford Sierra. (216 Nm @ 4300 RPM). This means 2006 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra. 2006 BMW 630 has automatic transmission and 1986 Ford Sierra has manual transmission. 1986 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Ford Sierra | 2006 BMW 630 | |
| Make | Ford | BMW |
| Model | Sierra | 630 |
| Year Released | 1986 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 160 HP | 254 HP |
| Engine RPM | 5700 RPM | 6600 RPM |
| Torque | 216 Nm | 300 Nm |
| Torque RPM | 4300 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 85 mm |
| Engine Stroke Size | 68.5 mm | 88 mm |
| Engine Compression Ratio | 9.2:1 | 10.7:1 |
| Top Speed | 196 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1266 kg | 1760 kg |
| Vehicle Length | 4430 mm | 4830 mm |
| Vehicle Width | 1730 mm | 1860 mm |
| Wheelbase Size | 2610 mm | 2790 mm |
| Fuel Tank Capacity | 116 L | 70 L |
