1986 AC Ace vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 1 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 2,792 cc (6 cylinders), 1986 AC Ace is equipped with a bigger engine. In terms of performance, 1986 AC Ace (150 HP @ 5800 RPM) has 46 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM). In normal driving conditions, 1986 AC Ace should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 148 kg more than 1986 AC Ace.
Because 1986 AC Ace is four wheel drive (4WD), it will have significant more traction and grip than 1987 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 1986 AC Ace 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, 1986 AC Ace (214 Nm @ 3000 RPM) has 54 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 1986 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1986 AC Ace | 1987 Ford Sierra | |
| Make | AC | Ford |
| Model | Ace | Sierra |
| Year Released | 1986 | 1987 |
| Body Type | Roadster | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 150 HP | 104 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 214 Nm | 160 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 93.1 mm | 90.8 mm |
| Engine Stroke Size | 68.5 mm | 77 mm |
| Engine Compression Ratio | 9.2:1 | 9.2:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 907 kg | 1055 kg |
| Vehicle Length | 3970 mm | 4500 mm |
| Vehicle Width | 1820 mm | 1680 mm |
| Vehicle Height | 1170 mm | 1400 mm |
| Wheelbase Size | 2480 mm | 2620 mm |
