1955 Alvis TC 21 vs. 2007 BMW 750
To start off, 2007 BMW 750 is newer by 52 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 4,797 cc (8 cylinders), 2007 BMW 750 is equipped with a bigger engine. In terms of performance, 2007 BMW 750 (360 HP @ 6300 RPM) has 255 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 750 should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 750 weights approximately 385 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 2007 BMW 750 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, 2007 BMW 750 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, 2007 BMW 750 (488 Nm @ 3400 RPM) has 267 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm @ 2500 RPM). This means 2007 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 1955 Alvis TC 21. 2007 BMW 750 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. 2007 BMW 750 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Alvis TC 21 | 2007 BMW 750 | |
| Make | Alvis | BMW |
| Model | TC 21 | 750 |
| Year Released | 1955 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4797 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 360 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 221 Nm | 488 Nm |
| Torque RPM | 2500 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 90 mm | 88.3 mm |
| Engine Compression Ratio | 8.0:1 | 11.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1835 kg |
| Vehicle Length | 4810 mm | 5050 mm |
| Vehicle Width | 1680 mm | 1910 mm |
| Vehicle Height | 1590 mm | 1500 mm |
| Wheelbase Size | 2840 mm | 3000 mm |
