1956 AC Aceca-Bristol vs. 1974 Mercury Montego
To start off, 1974 Mercury Montego is newer by 18 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 6,555 cc (8 cylinders), 1974 Mercury Montego is equipped with a bigger engine. In terms of performance, 1974 Mercury Montego (168 HP @ 4200 RPM) has 43 more horse power than 1956 AC Aceca-Bristol. (125 HP @ 6000 RPM) In normal driving conditions, 1974 Mercury Montego should accelerate faster than 1956 AC Aceca-Bristol. With that said, vehicle weight also plays an important factor in acceleration. 1974 Mercury Montego weights approximately 894 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1974 Mercury Montego (403 Nm @ 2200 RPM) has 236 more torque (in Nm) than 1956 AC Aceca-Bristol. (167 Nm @ 4500 RPM). This means 1974 Mercury Montego will have an easier job in driving up hills or pulling heavy equipment than 1956 AC Aceca-Bristol. 1974 Mercury Montego 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. 1974 Mercury Montego will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1956 AC Aceca-Bristol | 1974 Mercury Montego | |
| Make | AC | Mercury |
| Model | Aceca-Bristol | Montego |
| Year Released | 1956 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 6555 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 125 HP | 168 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 167 Nm | 403 Nm |
| Torque RPM | 4500 RPM | 2200 RPM |
| Engine Bore Size | 66 mm | 101.7 mm |
| Engine Stroke Size | 96 mm | 101.6 mm |
| Engine Compression Ratio | 9.0:1 | 8.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 965 kg | 1859 kg |
| Vehicle Length | 4070 mm | 5840 mm |
| Vehicle Width | 1560 mm | 2000 mm |
| Vehicle Height | 1330 mm | 1340 mm |
| Wheelbase Size | 2290 mm | 3000 mm |
| Fuel Tank Capacity | 59 L | 87 L |
