2006 GMC Envoy vs. 1978 Opel Senator
To start off, 2006 GMC Envoy is newer by 28 year(s). Which means there will be less support and parts availability for 1978 Opel Senator. In addition, the cost of maintenance, including insurance, on 1978 Opel Senator would be higher. At 5,358 cc (8 cylinders), 2006 GMC Envoy is equipped with a bigger engine. In terms of performance, 2006 GMC Envoy (300 HP @ 5200 RPM) has 130 more horse power than 1978 Opel Senator. (170 HP @ 5400 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 1978 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 1095 kg more than 1978 Opel Senator. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Envoy is four wheel drive (4WD), it will have significant more traction and grip than 1978 Opel Senator. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 GMC Envoy (447 Nm @ 4000 RPM) has 199 more torque (in Nm) than 1978 Opel Senator. (248 Nm @ 4200 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Senator.
Compare all specifications:
| 2006 GMC Envoy | 1978 Opel Senator | |
| Make | GMC | Opel |
| Model | Envoy | Senator |
| Year Released | 2006 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 5358 cc | 2969 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 170 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 447 Nm | 248 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 96 mm | 95.1 mm |
| Engine Stroke Size | 92 mm | 69.8 mm |
| Engine Compression Ratio | 9.5:1 | 6.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2435 kg | 1340 kg |
| Vehicle Length | 5280 mm | 4820 mm |
| Vehicle Width | 1900 mm | 1730 mm |
| Vehicle Height | 1920 mm | 1390 mm |
| Wheelbase Size | 3280 mm | 2740 mm |
| Fuel Consumption Overall | 13.8 L/100km | 5.3 L/100km |
| Fuel Tank Capacity | 95 L | 70 L |
