1999 AC Ace vs. 2009 BMW X3
To start off, 2009 BMW X3 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 AC Ace. In addition, the cost of maintenance, including insurance, on 1999 AC Ace would be higher. At 3,506 cc (8 cylinders), 1999 AC Ace is equipped with a bigger engine. In terms of performance, 1999 AC Ace (351 HP @ 6500 RPM) has 203 more horse power than 2009 BMW X3. (148 HP @ 6200 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 2009 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X3 weights approximately 631 kg more than 1999 AC Ace.
Because 2009 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1999 AC Ace. In wet, icy, snow, or gravel driving conditions, 2009 BMW X3 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, 1999 AC Ace (400 Nm @ 4000 RPM) has 200 more torque (in Nm) than 2009 BMW X3. (200 Nm @ 3750 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X3.
Compare all specifications:
| 1999 AC Ace | 2009 BMW X3 | |
| Make | AC | BMW |
| Model | Ace | X3 |
| Year Released | 1999 | 2009 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 351 HP | 148 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 400 Nm | 200 Nm |
| Torque RPM | 4000 RPM | 3750 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 81 mm | 90 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1025 kg | 1656 kg |
| Vehicle Length | 4430 mm | 4570 mm |
| Vehicle Width | 1880 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1680 mm |
| Wheelbase Size | 2480 mm | 2800 mm |
| Fuel Tank Capacity | 90 L | 67 L |
