1991 BMW 518 vs. 2008 Cadillac SRX
To start off, 2008 Cadillac SRX is newer by 17 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 3,563 cc (6 cylinders), 2008 Cadillac SRX is equipped with a bigger engine. In terms of performance, 2008 Cadillac SRX (254 HP @ 6500 RPM) has 140 more horse power than 1991 BMW 518. (114 HP @ 5500 RPM) In normal driving conditions, 2008 Cadillac SRX should accelerate faster than 1991 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac SRX weights approximately 911 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.
Because 2008 Cadillac SRX is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW 518. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac SRX 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, 2008 Cadillac SRX (339 Nm @ 2800 RPM) has 174 more torque (in Nm) than 1991 BMW 518. (165 Nm @ 4250 RPM). This means 2008 Cadillac SRX will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 518. 2008 Cadillac SRX 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. 2008 Cadillac SRX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW 518 | 2008 Cadillac SRX | |
| Make | BMW | Cadillac |
| Model | 518 | SRX |
| Year Released | 1991 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1766 cc | 3563 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 114 HP | 254 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 165 Nm | 339 Nm |
| Torque RPM | 4250 RPM | 2800 RPM |
| Engine Bore Size | 84 mm | 94 mm |
| Engine Stroke Size | 81 mm | 85.6 mm |
| Engine Compression Ratio | 8.8:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 2071 kg |
| Vehicle Length | 4730 mm | 4960 mm |
| Vehicle Width | 1760 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1730 mm |
| Wheelbase Size | 2770 mm | 2960 mm |
