1998 BMW 845 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 7 year(s). Which means there will be less support and parts availability for 1998 BMW 845. In addition, the cost of maintenance, including insurance, on 1998 BMW 845 would be higher. At 4,398 cc (8 cylinders), 1998 BMW 845 is equipped with a bigger engine. In terms of performance, 1998 BMW 845 (282 HP @ 5700 RPM) has 158 more horse power than 2005 Opel Signum. (124 HP @ 3250 RPM). In normal driving conditions, 1998 BMW 845 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 845 weights approximately 140 kg more than 2005 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 BMW 845 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 1998 BMW 845. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Signum, 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, 1998 BMW 845 (420 Nm @ 3900 RPM) has 140 more torque (in Nm) than 2005 Opel Signum. (280 Nm @ 1500 RPM). This means 1998 BMW 845 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum. 2005 Opel Signum has automatic transmission and 1998 BMW 845 has manual transmission. 1998 BMW 845 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
1998 BMW 845 | 2005 Opel Signum | |
Make | BMW | Opel |
Model | 845 | Signum |
Year Released | 1998 | 2005 |
Body Type | Coupe | Hatchback |
Engine Position | Front | Front |
Engine Size | 4398 cc | 2171 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 282 HP | 124 HP |
Engine RPM | 5700 RPM | 3250 RPM |
Torque | 420 Nm | 280 Nm |
Torque RPM | 3900 RPM | 1500 RPM |
Engine Bore Size | 92 mm | 84 mm |
Engine Stroke Size | 82.7 mm | 98 mm |
Fuel Type | Gasoline | Diesel |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1750 kg | 1610 kg |
Vehicle Length | 4790 mm | 4640 mm |
Vehicle Width | 1860 mm | 1800 mm |
Vehicle Height | 1350 mm | 1470 mm |
Wheelbase Size | 2690 mm | 2710 mm |