1955 Alvis TC 21 vs. 2008 Audi S4
To start off, 2008 Audi S4 is newer by 53 year(s). Which means there will be less support and parts availability for 1955 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1955 Alvis TC 21 would be higher. At 4,124 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (456 HP @ 6800 RPM) has 351 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 2008 Audi S4 should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 445 kg more than 1955 Alvis TC 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1955 Alvis TC 21. In wet, icy, snow, or gravel driving conditions, 2008 Audi S4 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, 2008 Audi S4 (302 Nm @ 3500 RPM) has 81 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm @ 2500 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1955 Alvis TC 21. 2008 Audi S4 has automatic transmission and 1955 Alvis TC 21 has manual transmission. 1955 Alvis TC 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Alvis TC 21 | 2008 Audi S4 | |
| Make | Alvis | Audi |
| Model | TC 21 | S4 |
| Year Released | 1955 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4124 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 105 HP | 456 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 221 Nm | 302 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Compression Ratio | 8.0:1 | 11.0:1 |
| Top Speed | 164 km/hour | 249 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1895 kg |
| Vehicle Length | 4810 mm | 4580 mm |
| Vehicle Width | 1680 mm | 1400 mm |
| Vehicle Height | 1590 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2660 mm |
