1999 AC Aceca vs. 1991 Saab 9000
To start off, 1999 AC Aceca is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Saab 9000. In addition, the cost of maintenance, including insurance, on 1991 Saab 9000 would be higher. At 3,506 cc (8 cylinders), 1999 AC Aceca is equipped with a bigger engine. In terms of performance, 1999 AC Aceca (346 HP @ 6500 RPM) has 198 more horse power than 1991 Saab 9000. (148 HP @ 5500 RPM). In normal driving conditions, 1999 AC Aceca should accelerate faster than 1991 Saab 9000. With that said, vehicle weight also plays an important factor in acceleration. 1999 AC Aceca weights approximately 176 kg more than 1991 Saab 9000. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 AC Aceca is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 AC Aceca. However, in wet, icy, snow, or gravel driving conditions, 1991 Saab 9000, being front wheel drive (FWD), will offer much better control with better grip. 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, 1999 AC Aceca (400 Nm @ 4000 RPM) has 188 more torque (in Nm) than 1991 Saab 9000. (212 Nm @ 3800 RPM). This means 1999 AC Aceca will have an easier job in driving up hills or pulling heavy equipment than 1991 Saab 9000.
Compare all specifications:
| 1999 AC Aceca | 1991 Saab 9000 | |
| Make | AC | Saab |
| Model | Aceca | 9000 |
| Year Released | 1999 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 2290 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 346 HP | 148 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 400 Nm | 212 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 90 mm |
| Engine Stroke Size | 81 mm | 90 mm |
| Engine Compression Ratio | 8.0:1 | 10.1:1 |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1434 kg |
| Vehicle Length | 4640 mm | 4770 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1420 mm |
| Wheelbase Size | 2300 mm | 2670 mm |
