1956 AC Aceca-Bristol vs. 2007 BMW X5
To start off, 2007 BMW X5 is newer by 51 year(s). Which means there will be less support and parts availability for 1956 AC Aceca-Bristol. In addition, the cost of maintenance, including insurance, on 1956 AC Aceca-Bristol would be higher. At 4,398 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (316 HP @ 6100 RPM) has 191 more horse power than 1956 AC Aceca-Bristol. (125 HP @ 6000 RPM) In normal driving conditions, 2007 BMW X5 should accelerate faster than 1956 AC Aceca-Bristol. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 1231 kg more than 1956 AC Aceca-Bristol. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1956 AC Aceca-Bristol. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X5 (440 Nm @ 3700 RPM) has 273 more torque (in Nm) than 1956 AC Aceca-Bristol. (167 Nm @ 4500 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Aceca-Bristol. 2007 BMW X5 has automatic transmission and 1956 AC Aceca-Bristol has manual transmission. 1956 AC Aceca-Bristol will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 AC Aceca-Bristol | 2007 BMW X5 | |
| Make | AC | BMW |
| Model | Aceca-Bristol | X5 |
| Year Released | 1956 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 125 HP | 316 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 167 Nm | 440 Nm |
| Torque RPM | 4500 RPM | 3700 RPM |
| Engine Bore Size | 66 mm | 92 mm |
| Engine Stroke Size | 96 mm | 82.7 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 965 kg | 2196 kg |
| Vehicle Length | 4070 mm | 4670 mm |
| Vehicle Width | 1560 mm | 1710 mm |
| Vehicle Height | 1330 mm | 1880 mm |
| Wheelbase Size | 2290 mm | 2830 mm |
| Fuel Tank Capacity | 59 L | 85 L |
