1951 Alvis TA 21 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 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 3,823 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6000 RPM) has 257 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alvis TA 21 weights approximately 98 kg more than 2009 Porsche 911.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Alvis TA 21. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 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, 2009 Porsche 911 (400 Nm @ 4600 RPM) has 196 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21.
Compare all specifications:
| 1951 Alvis TA 21 | 2009 Porsche 911 | |
| Make | Alvis | Porsche |
| Model | TA 21 | 911 |
| Year Released | 1951 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 3823 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 350 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1448 kg | 1350 kg |
| Vehicle Length | 4630 mm | 4430 mm |
| Vehicle Width | 1680 mm | 1310 mm |
| Vehicle Height | 1600 mm | 1860 mm |
| Wheelbase Size | 2840 mm | 2360 mm |
| Fuel Tank Capacity | 64 L | 67 L |
