1999 AC Ace vs. 1981 Pontiac Firebird
To start off, 1999 AC Ace is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1981 Pontiac Firebird would be higher. At 5,012 cc (8 cylinders), 1981 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1999 AC Ace (351 HP @ 6500 RPM) has 206 more horse power than 1981 Pontiac Firebird. (145 HP @ 3800 RPM). In normal driving conditions, 1999 AC Ace should accelerate faster than 1981 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1981 Pontiac Firebird weights approximately 517 kg more than 1999 AC Ace.
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 76 more torque (in Nm) than 1981 Pontiac Firebird. (324 Nm @ 2400 RPM). This means 1999 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 1981 Pontiac Firebird.
Compare all specifications:
1999 AC Ace | 1981 Pontiac Firebird | |
Make | AC | Pontiac |
Model | Ace | Firebird |
Year Released | 1999 | 1981 |
Body Type | Roadster | Coupe |
Engine Position | Front | Front |
Engine Size | 3506 cc | 5012 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Horse Power | 351 HP | 145 HP |
Engine RPM | 6500 RPM | 3800 RPM |
Torque | 400 Nm | 324 Nm |
Torque RPM | 4000 RPM | 2400 RPM |
Engine Bore Size | 83 mm | 95 mm |
Engine Stroke Size | 81 mm | 88.4 mm |
Engine Compression Ratio | 8.0:1 | 8.6:1 |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1025 kg | 1542 kg |
Vehicle Length | 4430 mm | 5040 mm |
Vehicle Width | 1880 mm | 1860 mm |
Vehicle Height | 1310 mm | 1260 mm |
Wheelbase Size | 2480 mm | 2750 mm |
Fuel Tank Capacity | 90 L | 79 L |