2007 Alpina B7 vs. 1991 Westfield ZEI
To start off, 2007 Alpina B7 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Westfield ZEI. In addition, the cost of maintenance, including insurance, on 1991 Westfield ZEI would be higher. At 4,396 cc (8 cylinders), 2007 Alpina B7 is equipped with a bigger engine. In terms of performance, 2007 Alpina B7 (493 HP @ 5500 RPM) has 276 more horse power than 1991 Westfield ZEI. (217 HP @ 6250 RPM). In normal driving conditions, 2007 Alpina B7 should accelerate faster than 1991 Westfield ZEI. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B7 weights approximately 1235 kg more than 1991 Westfield ZEI. 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 Alpina B7 (700 Nm @ 4250 RPM) has 408 more torque (in Nm) than 1991 Westfield ZEI. (292 Nm @ 4250 RPM). This means 2007 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Westfield ZEI. 2007 Alpina B7 has automatic transmission and 1991 Westfield ZEI has manual transmission. 1991 Westfield ZEI will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alpina B7 | 1991 Westfield ZEI | |
| Make | Alpina | Westfield |
| Model | B7 | ZEI |
| Year Released | 2007 | 1991 |
| Engine Size | 4396 cc | 1992 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 217 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 700 Nm | 292 Nm |
| Torque RPM | 4250 RPM | 4250 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1960 kg | 725 kg |
| Vehicle Length | 5040 mm | 3550 mm |
| Vehicle Width | 1910 mm | 1570 mm |
| Vehicle Height | 1480 mm | 1060 mm |
| Wheelbase Size | 3000 mm | 2340 mm |
