1999 BMW 323 vs. 2012 BMW 650
To start off, 2012 BMW 650 is newer by 13 year(s). Which means there will be less support and parts availability for 1999 BMW 323. In addition, the cost of maintenance, including insurance, on 1999 BMW 323 would be higher. At 4,400 cc (8 cylinders), 2012 BMW 650 is equipped with a bigger engine. In terms of performance, 2012 BMW 650 (400 HP @ 5500 RPM) has 230 more horse power than 1999 BMW 323. (170 HP @ 5500 RPM) In normal driving conditions, 2012 BMW 650 should accelerate faster than 1999 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 650 weights approximately 633 kg more than 1999 BMW 323. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW 650 is all wheel drive (AWD), it will have significant more traction and grip than 1999 BMW 323. In wet, icy, snow, or gravel driving conditions, 2012 BMW 650 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, 2012 BMW 650 (609 Nm @ 1750 RPM) has 364 more torque (in Nm) than 1999 BMW 323. (245 Nm @ 3500 RPM). This means 2012 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 323.
Compare all specifications:
| 1999 BMW 323 | 2012 BMW 650 | |
| Make | BMW | BMW |
| Model | 323 | 650 |
| Year Released | 1999 | 2012 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 400 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 245 Nm | 609 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1457 kg | 2090 kg |
| Vehicle Length | 4480 mm | 4894 mm |
| Vehicle Width | 1750 mm | 1894 mm |
| Vehicle Height | 1420 mm | 1369 mm |
| Wheelbase Size | 2730 mm | 2855 mm |
| Fuel Tank Capacity | 63 L | 70 L |
