1978 Chevrolet Blazer vs. 1987 Renault 21
To start off, 1987 Renault 21 is newer by 9 year(s). Which means there will be less support and parts availability for 1978 Chevrolet Blazer. In addition, the cost of maintenance, including insurance, on 1978 Chevrolet Blazer would be higher. At 4,093 cc (6 cylinders), 1978 Chevrolet Blazer is equipped with a bigger engine. In terms of performance, 1987 Renault 21 (175 HP @ 5200 RPM) has 75 more horse power than 1978 Chevrolet Blazer. (100 HP @ 3600 RPM) In normal driving conditions, 1987 Renault 21 should accelerate faster than 1978 Chevrolet Blazer. With that said, vehicle weight also plays an important factor in acceleration. 1978 Chevrolet Blazer weights approximately 610 kg more than 1987 Renault 21.
Because 1978 Chevrolet Blazer 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, 1978 Chevrolet Blazer 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, 1987 Renault 21 (270 Nm @ 3000 RPM) has 28 more torque (in Nm) than 1978 Chevrolet Blazer. (242 Nm @ 1600 RPM). This means 1987 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1978 Chevrolet Blazer. 1978 Chevrolet Blazer 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. 1978 Chevrolet Blazer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Chevrolet Blazer | 1987 Renault 21 | |
| Make | Chevrolet | Renault |
| Model | Blazer | 21 |
| Year Released | 1978 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 4093 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 100 HP | 175 HP |
| Engine RPM | 3600 RPM | 5200 RPM |
| Torque | 242 Nm | 270 Nm |
| Torque RPM | 1600 RPM | 3000 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1800 kg | 1190 kg |
| Vehicle Length | 4670 mm | 4650 mm |
| Vehicle Width | 2050 mm | 1720 mm |
| Vehicle Height | 1870 mm | 1380 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
