2007 BMW Z4 vs. 1989 Ford Sierra
To start off, 2007 BMW Z4 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 2,494 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 114 more horse power than 1989 Ford Sierra. (101 HP @ 5200 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 144 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.
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, 2007 BMW Z4 (250 Nm @ 2750 RPM) has 97 more torque (in Nm) than 1989 Ford Sierra. (153 Nm @ 4000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra. 2007 BMW Z4 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 Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 1989 Ford Sierra | |
| Make | BMW | Ford |
| Model | Z4 | Sierra |
| Year Released | 2007 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 101 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 250 Nm | 153 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 90.8 mm |
| Engine Stroke Size | 78.8 mm | 77 mm |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 227 km/hour | 187 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1290 kg | 1146 kg |
| Vehicle Length | 4100 mm | 4430 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2500 mm | 2830 mm |
| Fuel Tank Capacity | 55 L | 55 L |
