1991 Beijing BJ 2020 vs. 1978 Cadillac Seville
To start off, 1991 Beijing BJ 2020 is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Cadillac Seville. In addition, the cost of maintenance, including insurance, on 1978 Cadillac Seville would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1978 Cadillac Seville (123 HP @ 3600 RPM) has 53 more horse power than 1991 Beijing BJ 2020. (70 HP @ 3800 RPM) In normal driving conditions, 1978 Cadillac Seville should accelerate faster than 1991 Beijing BJ 2020. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 340 kg more than 1991 Beijing BJ 2020. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Beijing BJ 2020 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Cadillac Seville. In wet, icy, snow, or gravel driving conditions, 1991 Beijing BJ 2020 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, 1978 Cadillac Seville (304 Nm @ 1600 RPM) has 144 more torque (in Nm) than 1991 Beijing BJ 2020. (160 Nm @ 2200 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1991 Beijing BJ 2020. 1978 Cadillac Seville has automatic transmission and 1991 Beijing BJ 2020 has manual transmission. 1991 Beijing BJ 2020 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Beijing BJ 2020 | 1978 Cadillac Seville | |
| Make | Beijing | Cadillac |
| Model | BJ 2020 | Seville |
| Year Released | 1991 | 1978 |
| Engine Size | 2444 cc | 5735 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 123 HP |
| Engine RPM | 3800 RPM | 3600 RPM |
| Torque | 160 Nm | 304 Nm |
| Torque RPM | 2200 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1550 kg | 1890 kg |
| Vehicle Length | 3870 mm | 5190 mm |
| Vehicle Width | 1760 mm | 1830 mm |
| Vehicle Height | 1880 mm | 1400 mm |
| Wheelbase Size | 2310 mm | 2910 mm |
