1999 BMW 320 vs. 2004 BMW 630
To start off, 2004 BMW 630 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 BMW 320. In addition, the cost of maintenance, including insurance, on 1999 BMW 320 would be higher. At 2,983 cc (6 cylinders), 2004 BMW 630 is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 106 more horse power than 1999 BMW 320. (148 HP @ 5900 RPM) In normal driving conditions, 2004 BMW 630 should accelerate faster than 1999 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 630 weights approximately 356 kg more than 1999 BMW 320. 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, 2004 BMW 630 (300 Nm @ 2500 RPM) has 110 more torque (in Nm) than 1999 BMW 320. (190 Nm @ 4200 RPM). This means 2004 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 320. 2004 BMW 630 has automatic transmission and 1999 BMW 320 has manual transmission. 1999 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 BMW 320 | 2004 BMW 630 | |
| Make | BMW | BMW |
| Model | 320 | 630 |
| Year Released | 1999 | 2004 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2983 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 254 HP |
| Engine RPM | 5900 RPM | 6600 RPM |
| Torque | 190 Nm | 300 Nm |
| Torque RPM | 4200 RPM | 2500 RPM |
| Engine Bore Size | 80.1 mm | 85 mm |
| Engine Stroke Size | 66 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1420 kg | 1776 kg |
| Vehicle Length | 4480 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Tank Capacity | 63 L | 70 L |
