1951 Alvis TA 21 vs. 2007 Opel Vivaro
To start off, 2007 Opel Vivaro is newer by 56 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, 2007 Opel Vivaro (100 HP @ 3500 RPM) has 7 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2007 Opel Vivaro should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vivaro weights approximately 229 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 1951 Alvis TA 21 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1951 Alvis TA 21. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Vivaro, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Opel Vivaro (240 Nm @ 2000 RPM) has 36 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2007 Opel Vivaro 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 | 2007 Opel Vivaro | |
| Make | Alvis | Opel |
| Model | TA 21 | Vivaro |
| Year Released | 1951 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1870 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 100 HP |
| Engine RPM | 4000 RPM | 3500 RPM |
| Torque | 204 Nm | 240 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 90 mm | 93 mm |
| Engine Compression Ratio | 7.1:1 | 18.3:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1448 kg | 1677 kg |
| Vehicle Length | 4630 mm | 4790 mm |
| Vehicle Width | 1680 mm | 1970 mm |
| Vehicle Height | 1600 mm | 1910 mm |
| Wheelbase Size | 2840 mm | 3100 mm |
| Fuel Tank Capacity | 64 L | 90 L |
