1964 Austin A 99 vs. 2004 GMC Envoy
To start off, 2004 GMC Envoy is newer by 40 year(s). Which means there will be less support and parts availability for 1964 Austin A 99. In addition, the cost of maintenance, including insurance, on 1964 Austin A 99 would be higher. At 4,193 cc (6 cylinders), 2004 GMC Envoy is equipped with a bigger engine. In terms of performance, 2004 GMC Envoy (275 HP) has 168 more horse power than 1964 Austin A 99. (107 HP) In normal driving conditions, 2004 GMC Envoy should accelerate faster than 1964 Austin A 99. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Envoy weights approximately 564 kg more than 1964 Austin A 99. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1964 Austin A 99. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 GMC Envoy (373 Nm) has 152 more torque (in Nm) than 1964 Austin A 99. (221 Nm). This means 2004 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1964 Austin A 99.
Compare all specifications:
| 1964 Austin A 99 | 2004 GMC Envoy | |
| Make | Austin | GMC |
| Model | A 99 | Envoy |
| Year Released | 1964 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 4193 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 107 HP | 275 HP |
| Torque | 221 Nm | 373 Nm |
| Engine Bore Size | 83.4 mm | 93 mm |
| Engine Stroke Size | 88.9 mm | 102 mm |
| Engine Compression Ratio | 8.3:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1530 kg | 2094 kg |
| Vehicle Length | 4950 mm | 4870 mm |
| Vehicle Width | 1750 mm | 1900 mm |
| Vehicle Height | 1540 mm | 1830 mm |
| Wheelbase Size | 2800 mm | 2880 mm |
| Fuel Tank Capacity | 34 L | 83 L |
