1977 BMW 628 vs. 1981 GMC Suburban
To start off, 1981 GMC Suburban is newer by 4 year(s). Which means there will be less support and parts availability for 1977 BMW 628. In addition, the cost of maintenance, including insurance, on 1977 BMW 628 would be higher. At 4,093 cc (6 cylinders), 1981 GMC Suburban is equipped with a bigger engine. In terms of performance, 1977 BMW 628 (185 HP @ 5800 RPM) has 55 more horse power than 1981 GMC Suburban. (130 HP @ 4000 RPM). In normal driving conditions, 1977 BMW 628 should accelerate faster than 1981 GMC Suburban.
Because 1981 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 628. In wet, icy, snow, or gravel driving conditions, 1981 GMC Suburban 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, 1981 GMC Suburban (285 Nm @ 2000 RPM) has 25 more torque (in Nm) than 1977 BMW 628. (260 Nm @ 4000 RPM). This means 1981 GMC Suburban will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 628.
Compare all specifications:
| 1977 BMW 628 | 1981 GMC Suburban | |
| Make | BMW | GMC |
| Model | 628 | Suburban |
| Year Released | 1977 | 1981 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2997 cc | 4093 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 185 HP | 130 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 260 Nm | 285 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Vehicle Length | 4760 mm | 5480 mm |
| Vehicle Width | 1760 mm | 1950 mm |
| Vehicle Height | 1370 mm | 1800 mm |
| Wheelbase Size | 2640 mm | 3300 mm |
