2007 BMW 323 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 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 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (439 HP @ 6000 RPM) has 264 more horse power than 2007 BMW 323. (175 HP @ 5800 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2007 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 449 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.
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, 2013 BMW 6 series (651 Nm @ 4500 RPM) has 420 more torque (in Nm) than 2007 BMW 323. (231 Nm @ 3500 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 323. 2013 BMW 6 series has automatic transmission and 2007 BMW 323 has manual transmission. 2007 BMW 323 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 6 series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 323 | 2013 BMW 6 series | |
| Make | BMW | BMW |
| Model | 323 | 6 series |
| Year Released | 2007 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4395 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 439 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 231 Nm | 651 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 78.8 mm | 89 mm |
| Engine Stroke Size | 82 mm | 89 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 229 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 4.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1939 kg |
| Vehicle Length | 4530 mm | 5009 mm |
| Vehicle Width | 1430 mm | 2081 mm |
| Vehicle Height | 1820 mm | 1392 mm |
| Wheelbase Size | 2770 mm | 2968 mm |
| Fuel Tank Capacity | 63 L | 70 L |
