1981 Porsche 928 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 32 year(s). Which means there will be less support and parts availability for 1981 Porsche 928. In addition, the cost of maintenance, including insurance, on 1981 Porsche 928 would be higher. At 4,472 cc (8 cylinders), 1981 Porsche 928 is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 201 more horse power than 1981 Porsche 928. (238 HP @ 5250 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 1981 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 702 kg more than 1981 Porsche 928. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 7 Series is all wheel drive (AWD), it will have significant more traction and grip than 1981 Porsche 928. In wet, icy, snow, or gravel driving conditions, 2013 BMW 7 Series 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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 295 more torque (in Nm) than 1981 Porsche 928. (356 Nm @ 3600 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 928. 2013 BMW 7 Series has automatic transmission and 1981 Porsche 928 has manual transmission. 1981 Porsche 928 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 7 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Porsche 928 | 2013 BMW 7 Series | |
| Make | Porsche | BMW |
| Model | 928 | 7 Series |
| Year Released | 1981 | 2013 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4472 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 238 HP | 439 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 356 Nm | 651 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Engine Bore Size | 95 mm | 89 mm |
| Engine Stroke Size | 78.9 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 229 km/hour | 240 km/hour |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1450 kg | 2152 kg |
| Vehicle Length | 4450 mm | 5074 mm |
| Vehicle Width | 1840 mm | 2134 mm |
| Vehicle Height | 1320 mm | 1471 mm |
| Wheelbase Size | 2510 mm | 3070 mm |
| Fuel Tank Capacity | 85 L | 80 L |
