2006 BMW Z4 vs. 1998 Opel Signum

To start off, 2006 BMW Z4 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Opel Signum. In addition, the cost of maintenance, including insurance, on 1998 Opel Signum would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 90 more horse power than 1998 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Signum weights approximately 260 kg more than 2006 BMW Z4.

Because 2006 BMW Z4 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1998 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, 2006 BMW Z4 (245 Nm @ 3500 RPM) has 60 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 1500 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.

Compare all specifications:

2006 BMW Z4 1998 Opel Signum
Make BMW Opel
Model Z4 Signum
Year Released 2006 1998
Body Type Convertible Hatchback
Engine Position Front Front
Engine Size 2492 cc 1909 cc
Engine Cylinders 6 cylinders 4 cylinders
Engine Type in-line in-line
Valves per Cylinder 4 valves 4 valves
Horse Power 189 HP 99 HP
Engine RPM 6000 RPM 3120 RPM
Torque 245 Nm 185 Nm
Torque RPM 3500 RPM 1500 RPM
Engine Bore Size 84 mm 84 mm
Engine Stroke Size 75 mm 90 mm
Engine Compression Ratio 11.0:1 18.5:1
Top Speed 235 km/hour 185 km/hour
Drive Type Rear Front
Transmission Type Manual Manual
Number of Seats 2 seats 5 seats
Number of Doors 2 doors 5 doors
Vehicle Weight 1335 kg 1595 kg
Vehicle Length 4100 mm 4640 mm
Vehicle Width 1790 mm 1800 mm
Vehicle Height 1310 mm 1470 mm
Wheelbase Size 2500 mm 2840 mm
Fuel Tank Capacity 55 L 60 L


 

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