2003 Alpina B7 vs. 2004 Proton 400
To start off, 2004 Proton 400 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Alpina B7. In addition, the cost of maintenance, including insurance, on 2003 Alpina B7 would be higher. At 4,399 cc (8 cylinders), 2003 Alpina B7 is equipped with a bigger engine. In terms of performance, 2003 Alpina B7 (492 HP @ 5500 RPM) has 418 more horse power than 2004 Proton 400. (74 HP @ 6000 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 2004 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 1000 kg more than 2004 Proton 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Alpina B7 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Alpina B7. However, in wet, icy, snow, or gravel driving conditions, 2004 Proton 400, being front wheel drive (FWD), will offer much better control with better grip. 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, 2003 Alpina B7 (700 Nm @ 4250 RPM) has 591 more torque (in Nm) than 2004 Proton 400. (109 Nm @ 3000 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2004 Proton 400. 2003 Alpina B7 has automatic transmission and 2004 Proton 400 has manual transmission. 2004 Proton 400 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina B7 | 2004 Proton 400 | |
| Make | Alpina | Proton |
| Model | B7 | 400 |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 4399 cc | 1299 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 492 HP | 74 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 700 Nm | 109 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1990 kg | 990 kg |
| Vehicle Length | 5180 mm | 4280 mm |
| Vehicle Width | 1910 mm | 1700 mm |
| Vehicle Height | 1450 mm | 1390 mm |
| Wheelbase Size | 3000 mm | 2510 mm |
