1981 Bitter SC vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Bitter SC. In addition, the cost of maintenance, including insurance, on 1981 Bitter SC would be higher. At 2,969 cc (6 cylinders), 1981 Bitter SC is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (189 HP @ 6000 RPM) has 9 more horse power than 1981 Bitter SC. (180 HP @ 5800 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1981 Bitter SC. With that said, vehicle weight also plays an important factor in acceleration. 1981 Bitter SC weights approximately 90 kg more than 2007 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, 1981 Bitter SC (248 Nm @ 4200 RPM) has 3 more torque (in Nm) than 2007 BMW Z4. (245 Nm @ 3500 RPM). This means 1981 Bitter SC will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 1981 Bitter SC has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Bitter SC will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Bitter SC | 2007 BMW Z4 | |
| Make | Bitter | BMW |
| Model | SC | Z4 |
| Year Released | 1981 | 2007 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 180 HP | 189 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 248 Nm | 245 Nm |
| Torque RPM | 4200 RPM | 3500 RPM |
| Engine Bore Size | 95.1 mm | 84 mm |
| Engine Stroke Size | 69.8 mm | 75 mm |
| Acceleration 0-100mph | 10.1 seconds | 7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1260 kg |
| Vehicle Length | 4920 mm | 4100 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1310 mm |
| Wheelbase Size | 2690 mm | 2500 mm |
| Fuel Tank Capacity | 75 L | 55 L |
