1987 BMW 628 vs. 2002 BMW Z4
To start off, 2002 BMW Z4 is newer by 15 year(s). Which means there will be less support and parts availability for 1987 BMW 628. In addition, the cost of maintenance, including insurance, on 1987 BMW 628 would be higher. At 2,788 cc (6 cylinders), 1987 BMW 628 is equipped with a bigger engine. In terms of performance, 2002 BMW Z4 (190 HP @ 6000 RPM) has 9 more horse power than 1987 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 2002 BMW Z4 should accelerate faster than 1987 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 1987 BMW 628 weights approximately 75 kg more than 2002 BMW Z4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2002 BMW Z4 (245 Nm @ 3500 RPM) has 5 more torque (in Nm) than 1987 BMW 628. (240 Nm @ 4000 RPM). This means 2002 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW 628.
Compare all specifications:
| 1987 BMW 628 | 2002 BMW Z4 | |
| Make | BMW | BMW |
| Model | 628 | Z4 |
| Year Released | 1987 | 2002 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 190 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 240 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 80 mm | 75 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1395 kg |
| Vehicle Length | 4760 mm | 4100 mm |
| Vehicle Width | 1730 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1310 mm |
| Wheelbase Size | 2640 mm | 2580 mm |
| Fuel Tank Capacity | 70 L | 55 L |
