1955 DKW F 91 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 58 year(s). Which means there will be less support and parts availability for 1955 DKW F 91. In addition, the cost of maintenance, including insurance, on 1955 DKW F 91 would be higher. At 4,395 cc (8 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 401 more horse power than 1955 DKW F 91. (38 HP @ 4200 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 1955 DKW F 91. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 1307 kg more than 1955 DKW F 91. 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 1955 DKW F 91. 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) has 572 more torque (in Nm) than 1955 DKW F 91. (79 Nm). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 1955 DKW F 91. 2013 BMW 7 Series has automatic transmission and 1955 DKW F 91 has manual transmission. 1955 DKW F 91 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:
| 1955 DKW F 91 | 2013 BMW 7 Series | |
| Make | DKW | BMW |
| Model | F 91 | 7 Series |
| Year Released | 1955 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 895 cc | 4395 cc |
| Engine Cylinders | 3 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 38 HP | 439 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 79 Nm | 651 Nm |
| Engine Bore Size | 74.5 mm | 89 mm |
| Engine Stroke Size | 68 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 870 kg | 2177 kg |
| Vehicle Length | 4230 mm | 5214 mm |
| Vehicle Width | 1600 mm | 2134 mm |
| Vehicle Height | 1460 mm | 1481 mm |
| Wheelbase Size | 2360 mm | 3210 mm |
