1958 Armstrong Siddeley Star Sapphire vs. 2011 Alpina B7
To start off, 2011 Alpina B7 is newer by 53 year(s). Which means there will be less support and parts availability for 1958 Armstrong Siddeley Star Sapphire. In addition, the cost of maintenance, including insurance, on 1958 Armstrong Siddeley Star Sapphire would be higher. At 4,400 cc (8 cylinders), 2011 Alpina B7 is equipped with a bigger engine. In terms of performance, 2011 Alpina B7 (500 HP @ 5500 RPM) has 355 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 2011 Alpina B7 should accelerate faster than 1958 Armstrong Siddeley Star Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B7 weights approximately 427 kg more than 1958 Armstrong Siddeley Star Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Alpina B7 is all wheel drive (AWD), it will have significant more traction and grip than 1958 Armstrong Siddeley Star Sapphire. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Alpina B7 (699 Nm @ 3000 RPM) has 387 more torque (in Nm) than 1958 Armstrong Siddeley Star Sapphire. (312 Nm @ 2000 RPM). This means 2011 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 1958 Armstrong Siddeley Star Sapphire.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 2011 Alpina B7 | |
| Make | Armstrong Siddeley | Alpina |
| Model | Star Sapphire | B7 |
| Year Released | 1958 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 500 HP |
| Engine RPM | 4250 RPM | 5500 RPM |
| Torque | 312 Nm | 699 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1778 kg | 2205 kg |
| Vehicle Length | 4940 mm | 5225 mm |
| Vehicle Width | 1890 mm | 1902 mm |
| Vehicle Height | 1580 mm | 1494 mm |
| Wheelbase Size | 2900 mm | 3211 mm |
| Fuel Tank Capacity | 72 L | 82 L |
