2006 Opel Signum vs. 2001 BMW Z3
To start off, 2006 Opel Signum is newer by 5 year(s). Which means there will be less support and parts availability for 2001 BMW Z3. In addition, the cost of maintenance, including insurance, on 2001 BMW Z3 would be higher. At 2,996 cc (6 cylinders), 2001 BMW Z3 is equipped with a bigger engine. In terms of performance, 2001 BMW Z3 (228 HP @ 5900 RPM) has 55 more horse power than 2006 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2001 BMW Z3 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 160 kg more than 2001 BMW Z3.
Because 2001 BMW Z3 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 2001 BMW Z3. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2001 BMW Z3 (301 Nm @ 3500 RPM) has 35 more torque (in Nm) than 2006 Opel Signum. (266 Nm @ 2500 RPM). This means 2001 BMW Z3 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum. 2001 BMW Z3 has automatic transmission and 2006 Opel Signum has manual transmission. 2006 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 BMW Z3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Opel Signum | 2001 BMW Z3 | |
| Make | Opel | BMW |
| Model | Signum | Z3 |
| Year Released | 2006 | 2001 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 228 HP |
| Engine RPM | 5500 RPM | 5900 RPM |
| Torque | 266 Nm | 301 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 86 mm | 89.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 220 km/hour | 236 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 6.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1400 kg |
| Vehicle Length | 4640 mm | 4060 mm |
| Vehicle Width | 1800 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2840 mm | 2450 mm |
| Fuel Tank Capacity | 60 L | 51 L |
