1951 Alvis TA 21 vs. 2005 Audi A4
To start off, 2005 Audi A4 is newer by 54 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, 2005 Audi A4 (223 HP @ 6500 RPM) has 130 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2005 Audi A4 should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 247 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.
Because 2005 Audi A4 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, 2005 Audi A4 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, 2005 Audi A4 (300 Nm) has 96 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm). This means 2005 Audi A4 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 | 2005 Audi A4 | |
| Make | Alvis | Audi |
| Model | TA 21 | A4 |
| Year Released | 1951 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2983 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 93 HP | 223 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 204 Nm | 300 Nm |
| Engine Bore Size | 84 mm | 83.1 mm |
| Engine Stroke Size | 90 mm | 93 mm |
| Engine Compression Ratio | 7.1:1 | 10.1:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1448 kg | 1695 kg |
| Vehicle Length | 4630 mm | 4550 mm |
| Vehicle Width | 1680 mm | 1770 mm |
| Vehicle Height | 1600 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2580 mm |
| Fuel Tank Capacity | 64 L | 66 L |
