2005 GMC Sierra vs. 1973 Vauxhall Firenza
To start off, 2005 GMC Sierra is newer by 32 year(s). Which means there will be less support and parts availability for 1973 Vauxhall Firenza. In addition, the cost of maintenance, including insurance, on 1973 Vauxhall Firenza would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (300 HP) has 170 more horse power than 1973 Vauxhall Firenza. (130 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1973 Vauxhall Firenza. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1884 kg more than 1973 Vauxhall Firenza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1973 Vauxhall Firenza. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (488 Nm) has 292 more torque (in Nm) than 1973 Vauxhall Firenza. (196 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1973 Vauxhall Firenza.
Compare all specifications:
| 2005 GMC Sierra | 1973 Vauxhall Firenza | |
| Make | GMC | Vauxhall |
| Model | Sierra | Firenza |
| Year Released | 2005 | 1973 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 2279 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 130 HP |
| Torque | 488 Nm | 196 Nm |
| Engine Bore Size | 102 mm | 97.5 mm |
| Engine Stroke Size | 92 mm | 76.2 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2874 kg | 990 kg |
| Vehicle Length | 6510 mm | 4150 mm |
| Vehicle Width | 2030 mm | 1650 mm |
| Vehicle Height | 1960 mm | 1340 mm |
| Wheelbase Size | 4250 mm | 2470 mm |
| Fuel Tank Capacity | 129 L | 36 L |
