1999 BMW 323 vs. 2007 Mercedes-Benz R
To start off, 2007 Mercedes-Benz R is newer by 8 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 6,208 cc (8 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (503 HP @ 6800 RPM) has 333 more horse power than 1999 BMW 323. (170 HP @ 5500 RPM) In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 1999 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 919 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 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW 323. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz R 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, 2007 Mercedes-Benz R (630 Nm @ 5200 RPM) has 385 more torque (in Nm) than 1999 BMW 323. (245 Nm @ 3500 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 323.
Compare all specifications:
| 1999 BMW 323 | 2007 Mercedes-Benz R | |
| Make | BMW | Mercedes-Benz |
| Model | 323 | R |
| Year Released | 1999 | 2007 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 6208 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 503 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 245 Nm | 630 Nm |
| Torque RPM | 3500 RPM | 5200 RPM |
| Engine Bore Size | 84 mm | 102.2 mm |
| Engine Stroke Size | 75 mm | 94.6 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Top Speed | 206 km/hour | 250 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1457 kg | 2376 kg |
| Vehicle Length | 4490 mm | 5160 mm |
| Vehicle Width | 1760 mm | 1930 mm |
| Vehicle Height | 1390 mm | 1640 mm |
| Wheelbase Size | 2730 mm | 3220 mm |
| Fuel Tank Capacity | 63 L | 80 L |
