1999 AC Ace vs. 1989 Ford Sierra
To start off, 1999 AC Ace is newer by 10 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 3,506 cc (8 cylinders), 1999 AC Ace is equipped with a bigger engine. In terms of performance, 1999 AC Ace (351 HP @ 6500 RPM) has 203 more horse power than 1989 Ford Sierra. (148 HP @ 5700 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 270 kg more than 1999 AC Ace.
Because 1989 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 AC Ace. In wet, icy, snow, or gravel driving conditions, 1989 Ford Sierra 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, 1999 AC Ace (400 Nm @ 4000 RPM) has 162 more torque (in Nm) than 1989 Ford Sierra. (238 Nm @ 3000 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1999 AC Ace | 1989 Ford Sierra | |
| Make | AC | Ford |
| Model | Ace | Sierra |
| Year Released | 1999 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 2933 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 351 HP | 148 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 400 Nm | 238 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1025 kg | 1295 kg |
| Vehicle Length | 4430 mm | 4430 mm |
| Vehicle Width | 1880 mm | 1700 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2480 mm | 2610 mm |
| Fuel Tank Capacity | 90 L | 55 L |
