2007 BMW Convertible vs. 1989 Ford Sierra
To start off, 2007 BMW Convertible is newer by 18 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 4,799 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 288 more horse power than 1989 Ford Sierra. (74 HP @ 5300 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 840 kg more than 1989 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 Convertible (490 Nm @ 3600 RPM) has 368 more torque (in Nm) than 1989 Ford Sierra. (122 Nm @ 2900 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra. 2007 BMW Convertible has automatic transmission and 1989 Ford Sierra has manual transmission. 1989 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Convertible will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Convertible | 1989 Ford Sierra | |
| Make | BMW | Ford |
| Model | Convertible | Sierra |
| Year Released | 2007 | 1989 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1597 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 362 HP | 74 HP |
| Engine RPM | 6300 RPM | 5300 RPM |
| Torque | 490 Nm | 122 Nm |
| Torque RPM | 3600 RPM | 2900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1850 kg | 1010 kg |
| Vehicle Length | 4830 mm | 4500 mm |
| Vehicle Width | 1380 mm | 1680 mm |
| Vehicle Height | 1860 mm | 1400 mm |
| Wheelbase Size | 2790 mm | 2620 mm |
