1984 BMW 628 vs. 1997 BMW Z3
To start off, 1997 BMW Z3 is newer by 13 year(s). Which means there will be less support and parts availability for 1984 BMW 628. In addition, the cost of maintenance, including insurance, on 1984 BMW 628 would be higher. At 3,245 cc (6 cylinders), 1997 BMW Z3 is equipped with a bigger engine. In terms of performance, 1997 BMW Z3 (333 HP @ 7500 RPM) has 152 more horse power than 1984 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 1997 BMW Z3 should accelerate faster than 1984 BMW 628. With that said, vehicle weight also plays an important factor in acceleration. 1984 BMW 628 weights approximately 77 kg more than 1997 BMW Z3.
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, 1997 BMW Z3 (355 Nm @ 3250 RPM) has 115 more torque (in Nm) than 1984 BMW 628. (240 Nm @ 4000 RPM). This means 1997 BMW Z3 will have an easier job in driving up hills or pulling heavy equipment than 1984 BMW 628.
Compare all specifications:
| 1984 BMW 628 | 1997 BMW Z3 | |
| Make | BMW | BMW |
| Model | 628 | Z3 |
| Year Released | 1984 | 1997 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 3245 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 333 HP |
| Engine RPM | 6000 RPM | 7500 RPM |
| Torque | 240 Nm | 355 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| 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 | 1393 kg |
| Vehicle Length | 4760 mm | 4030 mm |
| Vehicle Width | 1730 mm | 1750 mm |
| Vehicle Height | 1370 mm | 1270 mm |
| Wheelbase Size | 2640 mm | 2450 mm |
| Fuel Tank Capacity | 70 L | 51 L |
