1954 Alvis TC 21 vs. 2009 GMC Yukon
To start off, 2009 GMC Yukon is newer by 55 year(s). Which means there will be less support and parts availability for 1954 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1954 Alvis TC 21 would be higher. At 6,161 cc (8 cylinders), 2009 GMC Yukon is equipped with a bigger engine. In terms of performance, 2009 GMC Yukon (403 HP @ 5700 RPM) has 303 more horse power than 1954 Alvis TC 21. (100 HP @ 4000 RPM) In normal driving conditions, 2009 GMC Yukon should accelerate faster than 1954 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Yukon weights approximately 290 kg more than 1954 Alvis TC 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Yukon is four wheel drive (4WD), it will have significant more traction and grip than 1954 Alvis TC 21. In wet, icy, snow, or gravel driving conditions, 2009 GMC Yukon 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 GMC Yukon (565 Nm @ 4300 RPM) has 344 more torque (in Nm) than 1954 Alvis TC 21. (221 Nm @ 2000 RPM). This means 2009 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 1954 Alvis TC 21. 2009 GMC Yukon has automatic transmission and 1954 Alvis TC 21 has manual transmission. 1954 Alvis TC 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Yukon will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1954 Alvis TC 21 | 2009 GMC Yukon | |
| Make | Alvis | GMC |
| Model | TC 21 | Yukon |
| Year Released | 1954 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 6161 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 100 HP | 403 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 221 Nm | 565 Nm |
| Torque RPM | 2000 RPM | 4300 RPM |
| Engine Compression Ratio | 8.0:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1440 kg | 1730 kg |
| Vehicle Length | 4630 mm | 5140 mm |
| Vehicle Width | 1680 mm | 2010 mm |
| Vehicle Height | 1580 mm | 1960 mm |
| Wheelbase Size | 2840 mm | 2950 mm |
| Fuel Tank Capacity | 64 L | 98 L |
