1981 BMW 628 vs. 1987 Opel Senator
To start off, 1987 Opel Senator is newer by 6 year(s). Which means there will be less support and parts availability for 1981 BMW 628. In addition, the cost of maintenance, including insurance, on 1981 BMW 628 would be higher. At 2,969 cc (6 cylinders), 1987 Opel Senator is equipped with a bigger engine. In terms of performance, 1981 BMW 628 (181 HP @ 6000 RPM) has 3 more horse power than 1987 Opel Senator. (178 HP @ 5600 RPM). In normal driving conditions, 1981 BMW 628 should accelerate faster than 1987 Opel Senator. With that said, vehicle weight also plays an important factor in acceleration. 1987 Opel Senator weights approximately 66 kg more than 1981 BMW 628.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, both vehicles can yield 240 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 1987 Opel Senator has automatic transmission and 1981 BMW 628 has manual transmission. 1981 BMW 628 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1987 Opel Senator will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 628 | 1987 Opel Senator | |
| Make | BMW | Opel |
| Model | 628 | Senator |
| Year Released | 1981 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2969 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 178 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 240 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 86 mm | 95 mm |
| Engine Stroke Size | 80 mm | 69.8 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1536 kg |
| Vehicle Length | 4760 mm | 4850 mm |
| Vehicle Width | 1730 mm | 1730 mm |
| Vehicle Height | 1370 mm | 1450 mm |
| Wheelbase Size | 2640 mm | 2690 mm |
| Fuel Tank Capacity | 70 L | 70 L |
