1957 Armstrong Siddeley Sapphire vs. 2008 GMC Envoy
To start off, 2008 GMC Envoy is newer by 51 year(s). Which means there will be less support and parts availability for 1957 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1957 Armstrong Siddeley Sapphire would be higher. At 4,161 cc (6 cylinders), 2008 GMC Envoy is equipped with a bigger engine. In terms of performance, 2008 GMC Envoy (285 HP @ 6000 RPM) has 200 more horse power than 1957 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2008 GMC Envoy should accelerate faster than 1957 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Envoy weights approximately 1370 kg more than 1957 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1957 Armstrong Siddeley Sapphire. In wet, icy, snow, or gravel driving conditions, 2008 GMC Envoy 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 GMC Envoy (374 Nm @ 4600 RPM) has 213 more torque (in Nm) than 1957 Armstrong Siddeley Sapphire. (161 Nm @ 1750 RPM). This means 2008 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1957 Armstrong Siddeley Sapphire.
Compare all specifications:
| 1957 Armstrong Siddeley Sapphire | 2008 GMC Envoy | |
| Make | Armstrong Siddeley | GMC |
| Model | Sapphire | Envoy |
| Year Released | 1957 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 4161 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 285 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 161 Nm | 374 Nm |
| Torque RPM | 1750 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1360 kg | 2730 kg |
| Vehicle Length | 4580 mm | 4870 mm |
| Vehicle Width | 1750 mm | 1900 mm |
| Vehicle Height | 1570 mm | 1830 mm |
| Wheelbase Size | 2900 mm | 2880 mm |
| Fuel Tank Capacity | 72 L | 83 L |
