2007 BMW Z4 vs. 1981 Opel Ascona
To start off, 2007 BMW Z4 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Opel Ascona. In addition, the cost of maintenance, including insurance, on 1981 Opel Ascona would be higher. At 2,497 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 134 more horse power than 1981 Opel Ascona. (81 HP @ 5400 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 348 kg more than 1981 Opel Ascona. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW Z4 (250 Nm @ 2750 RPM) has 116 more torque (in Nm) than 1981 Opel Ascona. (134 Nm @ 2600 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
2007 BMW Z4 | 1981 Opel Ascona | |
Make | BMW | Opel |
Model | Z4 | Ascona |
Year Released | 2007 | 1981 |
Engine Position | Front | Front |
Engine Size | 2497 cc | 1598 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 215 HP | 81 HP |
Engine RPM | 6500 RPM | 5400 RPM |
Torque | 250 Nm | 134 Nm |
Torque RPM | 2750 RPM | 2600 RPM |
Engine Bore Size | 82 mm | 79 mm |
Engine Stroke Size | 78.8 mm | 81.5 mm |
Engine Compression Ratio | 11.0:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 2 seats | 5 seats |
Vehicle Weight | 1362 kg | 1014 kg |
Vehicle Length | 4100 mm | 4380 mm |
Vehicle Width | 1310 mm | 1680 mm |
Vehicle Height | 1790 mm | 1400 mm |
Wheelbase Size | 2500 mm | 2580 mm |