1999 AC Ace vs. 1984 Ford Sierra
To start off, 1999 AC Ace is newer by 15 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 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 262 more horse power than 1984 Ford Sierra. (89 HP @ 5400 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 AC Ace weights approximately 15 kg more than 1984 Ford Sierra. 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, 1999 AC Ace (400 Nm @ 4000 RPM) has 256 more torque (in Nm) than 1984 Ford Sierra. (144 Nm @ 3500 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1999 AC Ace | 1984 Ford Sierra | |
| Make | AC | Ford |
| Model | Ace | Sierra |
| Year Released | 1999 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 351 HP | 89 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 400 Nm | 144 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1025 kg | 1010 kg |
| Vehicle Length | 4430 mm | 4400 mm |
| Vehicle Width | 1880 mm | 1680 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2480 mm | 2620 mm |
