1991 BMW 318 vs. 2007 BMW 523
To start off, 2007 BMW 523 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 BMW 318. In addition, the cost of maintenance, including insurance, on 1991 BMW 318 would be higher. At 2,497 cc (6 cylinders), 2007 BMW 523 is equipped with a bigger engine. In terms of performance, 2007 BMW 523 (175 HP @ 5800 RPM) has 35 more horse power than 1991 BMW 318. (140 HP @ 6000 RPM) In normal driving conditions, 2007 BMW 523 should accelerate faster than 1991 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 523 weights approximately 260 kg more than 1991 BMW 318. 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 523 (230 Nm @ 3500 RPM) has 55 more torque (in Nm) than 1991 BMW 318. (175 Nm @ 4500 RPM). This means 2007 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 318. 2007 BMW 523 has automatic transmission and 1991 BMW 318 has manual transmission. 1991 BMW 318 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 523 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW 318 | 2007 BMW 523 | |
| Make | BMW | BMW |
| Model | 318 | 523 |
| Year Released | 1991 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 140 HP | 175 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 175 Nm | 230 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Compression Ratio | 8.8:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 208 km/hour | 230 km/hour |
| Acceleration 0-100mph | 10.2 seconds | 9.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1240 kg | 1500 kg |
| Vehicle Length | 4440 mm | 4850 mm |
| Vehicle Width | 1720 mm | 1470 mm |
| Vehicle Height | 1370 mm | 1850 mm |
| Wheelbase Size | 2710 mm | 2890 mm |
| Fuel Tank Capacity | 65 L | 70 L |
