1986 AC Ace vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 21 year(s). Which means there will be less support and parts availability for 1986 AC Ace. In addition, the cost of maintenance, including insurance, on 1986 AC Ace would be higher. At 2,993 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (283 HP @ 4400 RPM) has 133 more horse power than 1986 AC Ace. (150 HP @ 5800 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 1986 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 1043 kg more than 1986 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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 X3 (580 Nm @ 1750 RPM) has 366 more torque (in Nm) than 1986 AC Ace. (214 Nm @ 3000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1986 AC Ace. 2007 BMW X3 has automatic transmission and 1986 AC Ace has manual transmission. 1986 AC Ace will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 AC Ace | 2007 BMW X3 | |
| Make | AC | BMW |
| Model | Ace | X3 |
| Year Released | 1986 | 2007 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 150 HP | 283 HP |
| Engine RPM | 5800 RPM | 4400 RPM |
| Torque | 214 Nm | 580 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 93.1 mm | 84 mm |
| Engine Stroke Size | 68.5 mm | 88 mm |
| Engine Compression Ratio | 9.2:1 | 17.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 907 kg | 1950 kg |
| Vehicle Length | 3970 mm | 4570 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1170 mm | 1680 mm |
| Wheelbase Size | 2480 mm | 2800 mm |
| Fuel Tank Capacity | 66 L | 67 L |
