2009 Alfa Romeo Spider vs. 1981 BMW 745
To start off, 2009 Alfa Romeo Spider is newer by 28 year(s). Which means there will be less support and parts availability for 1981 BMW 745. In addition, the cost of maintenance, including insurance, on 1981 BMW 745 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo Spider (256 HP @ 6300 RPM) has 4 more horse power than 1981 BMW 745. (252 HP @ 5200 RPM). In normal driving conditions, 2009 Alfa Romeo Spider should accelerate faster than 1981 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo Spider weights approximately 169 kg more than 1981 BMW 745. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Alfa Romeo Spider is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 745. In wet, icy, snow, or gravel driving conditions, 2009 Alfa Romeo Spider will offer significantly more control. 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 BMW 745 (380 Nm @ 2200 RPM) has 57 more torque (in Nm) than 2009 Alfa Romeo Spider. (323 Nm @ 4500 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo Spider. 1981 BMW 745 has automatic transmission and 2009 Alfa Romeo Spider has manual transmission. 2009 Alfa Romeo Spider will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 BMW 745 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alfa Romeo Spider | 1981 BMW 745 | |
| Make | Alfa Romeo | BMW |
| Model | Spider | 745 |
| Year Released | 2009 | 1981 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3195 cc | 3430 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 252 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 323 Nm | 380 Nm |
| Torque RPM | 4500 RPM | 2200 RPM |
| Engine Bore Size | 89 mm | 92 mm |
| Engine Stroke Size | 85.6 mm | 86 mm |
| Top Speed | 240 km/hour | 227 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1596 kg |
| Vehicle Length | 4400 mm | 4870 mm |
| Vehicle Width | 1840 mm | 1810 mm |
| Vehicle Height | 1320 mm | 1440 mm |
| Wheelbase Size | 2530 mm | 2770 mm |
| Fuel Tank Capacity | 69 L | 100 L |
