2003 Vauxhall Signum vs. 1999 BMW Z3
To start off, 2003 Vauxhall Signum is newer by 4 year(s). Which means there will be less support and parts availability for 1999 BMW Z3. In addition, the cost of maintenance, including insurance, on 1999 BMW Z3 would be higher. At 2,958 cc (6 cylinders), 2003 Vauxhall Signum is equipped with a bigger engine. In terms of performance, 2003 Vauxhall Signum (175 HP @ 5500 RPM) has 34 more horse power than 1999 BMW Z3. (141 HP @ 4800 RPM). In normal driving conditions, 2003 Vauxhall Signum should accelerate faster than 1999 BMW Z3. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z3 weights approximately 180 kg more than 2003 Vauxhall Signum.
Because 1999 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 1999 BMW Z3. However, in wet, icy, snow, or gravel driving conditions, 2003 Vauxhall 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, 2003 Vauxhall Signum (370 Nm) has 190 more torque (in Nm) than 1999 BMW Z3. (180 Nm). This means 2003 Vauxhall Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW Z3.
Compare all specifications:
| 2003 Vauxhall Signum | 1999 BMW Z3 | |
| Make | Vauxhall | BMW |
| Model | Signum | Z3 |
| Year Released | 2003 | 1999 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1897 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 141 HP |
| Engine RPM | 5500 RPM | 4800 RPM |
| Torque | 370 Nm | 180 Nm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1630 kg |
| Vehicle Length | 4640 mm | 4030 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2840 mm | 2450 mm |
