1951 Alvis TA 21 vs. 2002 GMC Sierra
To start off, 2002 GMC Sierra is newer by 51 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 5,967 cc (8 cylinders), 2002 GMC Sierra is equipped with a bigger engine. In terms of performance, 2002 GMC Sierra (321 HP @ 5000 RPM) has 228 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2002 GMC Sierra should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 2002 GMC Sierra weights approximately 822 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 2002 GMC Sierra 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, 2002 GMC Sierra 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, 2002 GMC Sierra (371 Nm @ 4000 RPM) has 167 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2002 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21. 2002 GMC Sierra has automatic transmission and 1951 Alvis TA 21 has manual transmission. 1951 Alvis TA 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Alvis TA 21 | 2002 GMC Sierra | |
| Make | Alvis | GMC |
| Model | TA 21 | Sierra |
| Year Released | 1951 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5967 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 93 HP | 321 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 204 Nm | 371 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1448 kg | 2270 kg |
| Vehicle Length | 4630 mm | 5790 mm |
| Vehicle Width | 1680 mm | 2000 mm |
| Vehicle Height | 1600 mm | 1850 mm |
| Wheelbase Size | 2840 mm | 3650 mm |
| Fuel Tank Capacity | 64 L | 117 L |
