2006 GMC Envoy vs. 1987 Renault 21
To start off, 2006 GMC Envoy is newer by 19 year(s). Which means there will be less support and parts availability for 1987 Renault 21. In addition, the cost of maintenance, including insurance, on 1987 Renault 21 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 125 more horse power than 1987 Renault 21. (175 HP @ 5200 RPM). In normal driving conditions, 2006 GMC Envoy should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 1245 kg more than 1987 Renault 21. 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 1987 Renault 21. 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 177 more torque (in Nm) than 1987 Renault 21. (270 Nm @ 3000 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21.
Compare all specifications:
| 2006 GMC Envoy | 1987 Renault 21 | |
| Make | GMC | Renault |
| Model | Envoy | 21 |
| Year Released | 2006 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 5358 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 300 HP | 175 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 447 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 96 mm | 88 mm |
| Engine Stroke Size | 92 mm | 82 mm |
| Engine Compression Ratio | 9.5:1 | 8.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2435 kg | 1190 kg |
| Vehicle Length | 5280 mm | 4650 mm |
| Vehicle Width | 1900 mm | 1720 mm |
| Vehicle Height | 1920 mm | 1380 mm |
| Wheelbase Size | 3280 mm | 2610 mm |
