1961 AC Ace vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 47 year(s). Which means there will be less support and parts availability for 1961 AC Ace. In addition, the cost of maintenance, including insurance, on 1961 AC Ace would be higher. At 4,398 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (316 HP @ 6100 RPM) has 216 more horse power than 1961 AC Ace. (100 HP @ 5500 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 1961 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 1382 kg more than 1961 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1961 AC Ace. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 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 BMW X5 (440 Nm @ 3700 RPM) has 260 more torque (in Nm) than 1961 AC Ace. (180 Nm @ 2000 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1961 AC Ace. 2008 BMW X5 has automatic transmission and 1961 AC Ace has manual transmission. 1961 AC Ace will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1961 AC Ace | 2008 BMW X5 | |
| Make | AC | BMW |
| Model | Ace | X5 |
| Year Released | 1961 | 2008 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 2553 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 100 HP | 316 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 180 Nm | 440 Nm |
| Torque RPM | 2000 RPM | 3700 RPM |
| Engine Bore Size | 82.6 mm | 92 mm |
| Engine Stroke Size | 79.5 mm | 82.7 mm |
| Engine Compression Ratio | 7.8:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 813 kg | 2195 kg |
| Vehicle Length | 3860 mm | 4670 mm |
| Vehicle Width | 1490 mm | 1880 mm |
| Vehicle Height | 1250 mm | 1710 mm |
| Wheelbase Size | 2290 mm | 2830 mm |
| Fuel Tank Capacity | 54 L | 93 L |
