1987 Renault 21 vs. 2012 Mercedes-Benz GLK
To start off, 2012 Mercedes-Benz GLK is newer by 25 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 3,500 cc (6 cylinders), 2012 Mercedes-Benz GLK is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz GLK (268 HP @ 6000 RPM) has 193 more horse power than 1987 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 2012 Mercedes-Benz GLK should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz GLK weights approximately 895 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 2012 Mercedes-Benz GLK is all wheel drive (AWD), it will have significant more traction and grip than 1987 Renault 21. In wet, icy, snow, or gravel driving conditions, 2012 Mercedes-Benz GLK 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, 2012 Mercedes-Benz GLK (349 Nm @ 2400 RPM) has 219 more torque (in Nm) than 1987 Renault 21. (130 Nm @ 3250 RPM). This means 2012 Mercedes-Benz GLK will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21. 2012 Mercedes-Benz GLK has automatic transmission and 1987 Renault 21 has manual transmission. 1987 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Mercedes-Benz GLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Renault 21 | 2012 Mercedes-Benz GLK | |
| Make | Renault | Mercedes-Benz |
| Model | 21 | GLK |
| Year Released | 1987 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 3500 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 268 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 130 Nm | 349 Nm |
| Torque RPM | 3250 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 955 kg | 1850 kg |
| Vehicle Length | 4470 mm | 4529 mm |
| Vehicle Width | 1730 mm | 1887 mm |
| Vehicle Height | 1430 mm | 1699 mm |
| Wheelbase Size | 2550 mm | 2756 mm |
| Fuel Tank Capacity | 55 L | 66 L |
