2012 Alpina B7 vs. 2007 BMW 523
To start off, 2012 Alpina B7 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 BMW 523. In addition, the cost of maintenance, including insurance, on 2007 BMW 523 would be higher. At 4,400 cc (8 cylinders), 2012 Alpina B7 is equipped with a bigger engine. In terms of performance, 2012 Alpina B7 (500 HP) has 325 more horse power than 2007 BMW 523. (175 HP). In normal driving conditions, 2012 Alpina B7 should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2012 Alpina B7 weights approximately 860 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Alpina B7 is all wheel drive (AWD), it will have significant more traction and grip than 2007 BMW 523. In wet, icy, snow, or gravel driving conditions, 2012 Alpina B7 will offer significantly more control. 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, 2012 Alpina B7 (699 Nm @ 3000 RPM) has 469 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2012 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2012 Alpina B7 | 2007 BMW 523 | |
| Make | Alpina | BMW |
| Model | B7 | 523 |
| Year Released | 2012 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4400 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 175 HP |
| Torque | 699 Nm | 230 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | AWD | Rear |
| Transmission Type | 6-speed shiftable automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2140 kg | 1280 kg |
| Vehicle Length | 5085 mm | 4850 mm |
| Vehicle Width | 1902 mm | 1850 mm |
| Vehicle Height | 1483 mm | 1500 mm |
| Wheelbase Size | 3071 mm | 2840 mm |
| Fuel Tank Capacity | 82 L | 70 L |
