1979 BMW 628 vs. 1989 Pontiac Grand Prix
To start off, 1989 Pontiac Grand Prix is newer by 10 year(s). Which means there will be less support and parts availability for 1979 BMW 628. In addition, the cost of maintenance, including insurance, on 1979 BMW 628 would be higher. At 2,788 cc (6 cylinders), 1979 BMW 628 is equipped with a bigger engine. In terms of performance, 1979 BMW 628 (181 HP @ 6000 RPM) has 23 more horse power than 1989 Pontiac Grand Prix. (158 HP @ 6200 RPM). In normal driving conditions, 1979 BMW 628 should accelerate faster than 1989 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 1979 BMW 628 weights approximately 35 kg more than 1989 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 BMW 628 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1979 BMW 628. However, in wet, icy, snow, or gravel driving conditions, 1989 Pontiac Grand Prix, being front wheel drive (FWD), will offer much better control with better grip. 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, 1979 BMW 628 (240 Nm @ 4000 RPM) has 37 more torque (in Nm) than 1989 Pontiac Grand Prix. (203 Nm @ 5200 RPM). This means 1979 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 1989 Pontiac Grand Prix.
Compare all specifications:
| 1979 BMW 628 | 1989 Pontiac Grand Prix | |
| Make | BMW | Pontiac |
| Model | 628 | Grand Prix |
| Year Released | 1979 | 1989 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2260 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 181 HP | 158 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 240 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1435 kg |
| Vehicle Length | 4760 mm | 4960 mm |
| Vehicle Width | 1730 mm | 1810 mm |
| Vehicle Height | 1370 mm | 1390 mm |
| Wheelbase Size | 2640 mm | 2740 mm |
| Fuel Tank Capacity | 70 L | 76 L |
