1991 BMW Z1 vs. 2004 Opel Astra
To start off, 2004 Opel Astra is newer by 13 year(s). Which means there will be less support and parts availability for 1991 BMW Z1. In addition, the cost of maintenance, including insurance, on 1991 BMW Z1 would be higher. At 2,497 cc (6 cylinders), 1991 BMW Z1 is equipped with a bigger engine. In terms of performance, 1991 BMW Z1 (175 HP @ 5800 RPM) has 52 more horse power than 2004 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 1991 BMW Z1 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 100 kg more than 1991 BMW Z1.
Because 1991 BMW Z1 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 1991 BMW Z1. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Astra, 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, 1991 BMW Z1 (230 Nm @ 4000 RPM) has 60 more torque (in Nm) than 2004 Opel Astra. (170 Nm @ 3800 RPM). This means 1991 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2004 Opel Astra has automatic transmission and 1991 BMW Z1 has manual transmission. 1991 BMW Z1 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
1991 BMW Z1 | 2004 Opel Astra | |
Make | BMW | Opel |
Model | Z1 | Astra |
Year Released | 1991 | 2004 |
Body Type | Roadster | Station Wagon |
Engine Position | Front | Front |
Engine Size | 2497 cc | 1795 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 175 HP | 123 HP |
Engine RPM | 5800 RPM | 5600 RPM |
Torque | 230 Nm | 170 Nm |
Torque RPM | 4000 RPM | 3800 RPM |
Engine Bore Size | 82 mm | 80.5 mm |
Engine Stroke Size | 78.8 mm | 88.2 mm |
Engine Compression Ratio | 11.0:1 | 10.5:1 |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 5 seats |
Vehicle Weight | 1250 kg | 1350 kg |
Vehicle Length | 3960 mm | 4520 mm |
Vehicle Width | 1810 mm | 1800 mm |
Vehicle Height | 1280 mm | 1510 mm |
Wheelbase Size | 2450 mm | 2710 mm |