2009 BMW 635 vs. 1981 GMC Suburban
To start off, 2009 BMW 635 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 GMC Suburban. In addition, the cost of maintenance, including insurance, on 1981 GMC Suburban would be higher. At 6,210 cc (8 cylinders), 1981 GMC Suburban is equipped with a bigger engine. In terms of performance, 2009 BMW 635 (282 HP @ 4400 RPM) has 153 more horse power than 1981 GMC Suburban. (129 HP @ 3600 RPM). In normal driving conditions, 2009 BMW 635 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 2009 BMW 635. 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, 2009 BMW 635 (580 Nm @ 1750 RPM) has 254 more torque (in Nm) than 1981 GMC Suburban. (326 Nm @ 2000 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 1981 GMC Suburban.
Compare all specifications:
| 2009 BMW 635 | 1981 GMC Suburban | |
| Make | BMW | GMC |
| Model | 635 | Suburban |
| Year Released | 2009 | 1981 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 6210 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 282 HP | 129 HP |
| Engine RPM | 4400 RPM | 3600 RPM |
| Torque | 580 Nm | 326 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Length | 4830 mm | 5480 mm |
| Vehicle Width | 1860 mm | 1950 mm |
| Vehicle Height | 1380 mm | 1800 mm |
| Wheelbase Size | 2790 mm | 3300 mm |
