1951 Alvis TA 21 vs. 2013 BMW ActiveHybrid 7
To start off, 2013 BMW ActiveHybrid 7 is newer by 62 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 2,993 cc (6 cylinders), 1951 Alvis TA 21 is equipped with a bigger engine. In terms of performance, 2013 BMW ActiveHybrid 7 (311 HP @ 5800 RPM) has 218 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2013 BMW ActiveHybrid 7 should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW ActiveHybrid 7 weights approximately 675 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, 2013 BMW ActiveHybrid 7 (447 Nm @ 4500 RPM) has 243 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2013 BMW ActiveHybrid 7 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21. 2013 BMW ActiveHybrid 7 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. 2013 BMW ActiveHybrid 7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Alvis TA 21 | 2013 BMW ActiveHybrid 7 | |
| Make | Alvis | BMW |
| Model | TA 21 | ActiveHybrid 7 |
| Year Released | 1951 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 311 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 204 Nm | 447 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 89 mm |
| Engine Compression Ratio | 7.1:1 | 10.2 :1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1448 kg | 2123 kg |
| Vehicle Length | 4630 mm | 5214 mm |
| Vehicle Width | 1680 mm | 2134 mm |
| Vehicle Height | 1600 mm | 1481 mm |
| Wheelbase Size | 2840 mm | 3210 mm |
| Fuel Tank Capacity | 64 L | 76 L |
