2007 BMW M6 vs. 1987 Ford Sierra
To start off, 2007 BMW M6 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra 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 388 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM). In normal driving conditions, 2007 BMW M6 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M6 weights approximately 145 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW M6 (520 Nm @ 6100 RPM) has 340 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2007 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2007 BMW M6 | 1987 Ford Sierra | |
| Make | BMW | Ford |
| Model | M6 | Sierra |
| Year Released | 2007 | 1987 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2292 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 500 HP | 112 HP |
| Engine RPM | 7750 RPM | 5300 RPM |
| Torque | 520 Nm | 180 Nm |
| Torque RPM | 6100 RPM | 3000 RPM |
| Engine Bore Size | 92 mm | 96 mm |
| Engine Stroke Size | 75.2 mm | 79.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1280 kg | 1135 kg |
| Vehicle Length | 4880 mm | 4500 mm |
| Vehicle Width | 1860 mm | 1680 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2790 mm | 2620 mm |
