2007 BMW 645 vs. 1991 Oldsmobile Silhouette
To start off, 2007 BMW 645 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Oldsmobile Silhouette. In addition, the cost of maintenance, including insurance, on 1991 Oldsmobile Silhouette would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 164 more horse power than 1991 Oldsmobile Silhouette. (164 HP @ 4300 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 1991 Oldsmobile Silhouette. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 95 kg more than 1991 Oldsmobile Silhouette. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 645 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 2007 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 1991 Oldsmobile Silhouette, 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 152 more torque (in Nm) than 1991 Oldsmobile Silhouette. (298 Nm @ 3200 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1991 Oldsmobile Silhouette. 1991 Oldsmobile Silhouette has automatic transmission and 2007 BMW 645 has manual transmission. 2007 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Oldsmobile Silhouette will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW 645 | 1991 Oldsmobile Silhouette | |
Make | BMW | Oldsmobile |
Model | 645 | Silhouette |
Year Released | 2007 | 1991 |
Body Type | Convertible | Minivan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 3135 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 328 HP | 164 HP |
Engine RPM | 6100 RPM | 4300 RPM |
Torque | 450 Nm | 298 Nm |
Torque RPM | 3600 RPM | 3200 RPM |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 7 seats |
Vehicle Weight | 1815 kg | 1720 kg |
Vehicle Length | 4830 mm | 4940 mm |
Vehicle Width | 1860 mm | 1880 mm |
Vehicle Height | 1380 mm | 1680 mm |
Wheelbase Size | 2790 mm | 2800 mm |