1988 BMW Z1 vs. 2004 BMW 325
To start off, 2004 BMW 325 is newer by 16 year(s). Which means there will be less support and parts availability for 1988 BMW Z1. In addition, the cost of maintenance, including insurance, on 1988 BMW Z1 would be higher. At 2,492 cc (6 cylinders), 1988 BMW Z1 is equipped with a bigger engine. In terms of performance, 2004 BMW 325 (184 HP @ 7250 RPM) has 9 more horse power than 1988 BMW Z1. (175 HP @ 5800 RPM) In normal driving conditions, 2004 BMW 325 should accelerate faster than 1988 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 325 weights approximately 345 kg more than 1988 BMW Z1. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 BMW 325 (237 Nm) has 7 more torque (in Nm) than 1988 BMW Z1. (230 Nm). This means 2004 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW Z1.
Compare all specifications:
| 1988 BMW Z1 | 2004 BMW 325 | |
| Make | BMW | BMW |
| Model | Z1 | 325 |
| Year Released | 1988 | 2004 |
| Body Type | Roadster | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2490 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 184 HP |
| Engine RPM | 5800 RPM | 7250 RPM |
| Torque | 230 Nm | 237 Nm |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 78.8 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1595 kg |
| Vehicle Length | 3960 mm | 4480 mm |
| Vehicle Width | 1810 mm | 1750 mm |
| Vehicle Height | 1280 mm | 1420 mm |
| Wheelbase Size | 2450 mm | 2730 mm |
