1978 BMW B7 vs. 1981 GMC Suburban
To start off, 1981 GMC Suburban is newer by 3 year(s). Which means there will be less support and parts availability for 1978 BMW B7. In addition, the cost of maintenance, including insurance, on 1978 BMW B7 would be higher. At 6,210 cc (8 cylinders), 1981 GMC Suburban is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1981 GMC Suburban weights approximately 895 kg more than 1978 BMW B7.
Because 1981 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1978 BMW B7. 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, 1978 BMW B7 (627 Nm) has 301 more torque (in Nm) than 1981 GMC Suburban. (326 Nm). This means 1978 BMW B7 will have an easier job in driving up hills or pulling heavy equipment than 1981 GMC Suburban. 1981 GMC Suburban has automatic transmission and 1978 BMW B7 has manual transmission. 1978 BMW B7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 GMC Suburban will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 BMW B7 | 1981 GMC Suburban | |
| Make | BMW | GMC |
| Model | B7 | Suburban |
| Year Released | 1978 | 1981 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 6210 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 0 HP | 129 HP |
| Torque | 627 Nm | 326 Nm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1500 kg | 2395 kg |
| Wheelbase Size | 2800 mm | 3300 mm |
