1998 BMW 325 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 15 year(s). Which means there will be less support and parts availability for 1998 BMW 325. In addition, the cost of maintenance, including insurance, on 1998 BMW 325 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 (437 HP @ 5500 RPM) has 323 more horse power than 1998 BMW 325. (114 HP @ 4800 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 1998 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 655 kg more than 1998 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 6 series is all wheel drive (AWD), it will have significant more traction and grip than 1998 BMW 325. In wet, icy, snow, or gravel driving conditions, 2013 BMW 6 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 6 series (649 Nm @ 4500 RPM) has 429 more torque (in Nm) than 1998 BMW 325. (220 Nm @ 1900 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 325. 2013 BMW 6 series has automatic transmission and 1998 BMW 325 has manual transmission. 1998 BMW 325 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:
| 1998 BMW 325 | 2013 BMW 6 series | |
| Make | BMW | BMW |
| Model | 325 | 6 series |
| Year Released | 1998 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2498 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 114 HP | 437 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 220 Nm | 649 Nm |
| Torque RPM | 1900 RPM | 4500 RPM |
| Engine Bore Size | 80 mm | 89 mm |
| Engine Stroke Size | 81 mm | 88 mm |
| Engine Compression Ratio | 22.0:1 | 10.0 :1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1434 kg | 2089 kg |
| Vehicle Length | 4490 mm | 5009 mm |
| Vehicle Width | 1750 mm | 2081 mm |
| Vehicle Height | 1420 mm | 1392 mm |
| Wheelbase Size | 2730 mm | 2968 mm |
| Fuel Tank Capacity | 63 L | 70 L |
