1999 AC Ace vs. 1991 Ford Sierra
To start off, 1999 AC Ace is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 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 276 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 120 kg more than 1999 AC Ace.
Let's talk about torque, 1999 AC Ace (400 Nm @ 4000 RPM) has 248 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
1999 AC Ace | 1991 Ford Sierra | |
Make | AC | Ford |
Model | Ace | Sierra |
Year Released | 1999 | 1991 |
Engine Position | Front | Front |
Engine Size | 3506 cc | 1751 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 351 HP | 75 HP |
Engine RPM | 6500 RPM | 4500 RPM |
Torque | 400 Nm | 152 Nm |
Torque RPM | 4000 RPM | 2200 RPM |
Engine Bore Size | 83 mm | 82.5 mm |
Engine Stroke Size | 81 mm | 82 mm |
Engine Compression Ratio | 8.0:1 | 21.5:1 |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1025 kg | 1145 kg |
Vehicle Length | 4430 mm | 4430 mm |
Vehicle Width | 1880 mm | 1700 mm |
Vehicle Height | 1310 mm | 1370 mm |
Wheelbase Size | 2480 mm | 2620 mm |
Fuel Tank Capacity | 90 L | 60 L |