1991 BMW 518 vs. 2007 BMW 630
To start off, 2007 BMW 630 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 BMW 518. In addition, the cost of maintenance, including insurance, on 1991 BMW 518 would be higher. At 2,996 cc (6 cylinders), 2007 BMW 630 is equipped with a bigger engine. In terms of performance, 2007 BMW 630 (255 HP @ 6600 RPM) has 141 more horse power than 1991 BMW 518. (114 HP @ 5500 RPM) In normal driving conditions, 2007 BMW 630 should accelerate faster than 1991 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 630 weights approximately 600 kg more than 1991 BMW 518. 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, 2007 BMW 630 (300 Nm @ 2500 RPM) has 135 more torque (in Nm) than 1991 BMW 518. (165 Nm @ 4250 RPM). This means 2007 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 518. 2007 BMW 630 has automatic transmission and 1991 BMW 518 has manual transmission. 1991 BMW 518 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
1991 BMW 518 | 2007 BMW 630 | |
Make | BMW | BMW |
Model | 518 | 630 |
Year Released | 1991 | 2007 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 1766 cc | 2996 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 114 HP | 255 HP |
Engine RPM | 5500 RPM | 6600 RPM |
Torque | 165 Nm | 300 Nm |
Torque RPM | 4250 RPM | 2500 RPM |
Engine Bore Size | 84 mm | 85 mm |
Engine Stroke Size | 81 mm | 88 mm |
Engine Compression Ratio | 8.8:1 | 10.7:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1160 kg | 1760 kg |
Vehicle Length | 4730 mm | 4830 mm |
Vehicle Width | 1760 mm | 1860 mm |
Vehicle Height | 1420 mm | 1380 mm |
Wheelbase Size | 2770 mm | 2790 mm |