2007 BMW 323 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 6 year(s). Which means there will be less support and parts availability for 2007 BMW 323. In addition, the cost of maintenance, including insurance, on 2007 BMW 323 would be higher. At 2,979 cc (6 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (311 HP @ 5800 RPM) has 136 more horse power than 2007 BMW 323. (175 HP @ 5800 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 2007 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 529 kg more than 2007 BMW 323. 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 2007 BMW 323. 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 (447 Nm @ 4500 RPM) has 217 more torque (in Nm) than 2007 BMW 323. (230 Nm @ 3500 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 323.
Compare all specifications:
| 2007 BMW 323 | 2013 BMW 7 Series | |
| Make | BMW | BMW |
| Model | 323 | 7 Series |
| Year Released | 2007 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2979 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 311 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 230 Nm | 447 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 78.8 mm | 84 mm |
| Engine Stroke Size | 82 mm | 89 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 226 km/hour | 240 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 5.7 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1524 kg | 2053 kg |
| Vehicle Length | 4530 mm | 5214 mm |
| Vehicle Width | 1430 mm | 2134 mm |
| Vehicle Height | 1820 mm | 1481 mm |
| Wheelbase Size | 2770 mm | 3210 mm |
| Fuel Tank Capacity | 60 L | 80 L |
