2004 Opel Signum vs. 2002 BMW Z3

To start off, 2004 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2002 BMW Z3. In addition, the cost of maintenance, including insurance, on 2002 BMW Z3 would be higher. At 2,171 cc (6 cylinders), 2002 BMW Z3 is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 6 more horse power than 2002 BMW Z3. (167 HP @ 6100 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 2002 BMW Z3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 174 kg more than 2002 BMW Z3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2002 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 2002 BMW Z3. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 55 more torque (in Nm) than 2002 BMW Z3. (210 Nm @ 3500 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z3. 2002 BMW Z3 has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 BMW Z3 will be easier to drive especially in heavy traffic.

Compare all specifications:

2004 Opel Signum 2002 BMW Z3
Make Opel BMW
Model Signum Z3
Year Released 2004 2002
Body Type Hatchback Convertible
Engine Position Front Front
Engine Size 1995 cc 2171 cc
Engine Cylinders 4 cylinders 6 cylinders
Engine Type in-line in-line
Horse Power 173 HP 167 HP
Engine RPM 5500 RPM 6100 RPM
Torque 265 Nm 210 Nm
Torque RPM 2500 RPM 3500 RPM
Engine Bore Size 86 mm 80 mm
Engine Stroke Size 86 mm 72 mm
Engine Compression Ratio 9.5:1 10.8:1
Fuel Type Gasoline - Premium Gasoline
Top Speed 220 km/hour 220 km/hour
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 1386 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