2009 Alpina B7 vs. 1951 Alvis TA 21
To start off, 2009 Alpina B7 is newer by 58 year(s). Which means there will be less support and parts availability for 1951 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TA 21 would be higher. At 4,397 cc (8 cylinders), 2009 Alpina B7 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 400 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 542 kg more than 1951 Alvis TA 21. 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, 2009 Alpina B7 (700 Nm @ 4250 RPM) has 496 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21. 2009 Alpina B7 has automatic transmission and 1951 Alvis TA 21 has manual transmission. 1951 Alvis TA 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alpina B7 | 1951 Alvis TA 21 | |
| Make | Alpina | Alvis |
| Model | B7 | TA 21 |
| Year Released | 2009 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 493 HP | 93 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 700 Nm | 204 Nm |
| Torque RPM | 4250 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.8 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 7.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1990 kg | 1448 kg |
| Vehicle Length | 5180 mm | 4630 mm |
| Vehicle Width | 1910 mm | 1680 mm |
| Vehicle Height | 1450 mm | 1600 mm |
| Wheelbase Size | 3140 mm | 2840 mm |
| Fuel Tank Capacity | 88 L | 64 L |
