1974 AC 428 vs. 1978 Holden GTS
To start off, 1978 Holden GTS is newer by 4 year(s). Which means there will be less support and parts availability for 1974 AC 428. In addition, the cost of maintenance, including insurance, on 1974 AC 428 would be higher. At 7,003 cc (8 cylinders), 1974 AC 428 is equipped with a bigger engine. In terms of performance, 1974 AC 428 (298 HP @ 4600 RPM) has 140 more horse power than 1978 Holden GTS. (158 HP @ 4550 RPM). In normal driving conditions, 1974 AC 428 should accelerate faster than 1978 Holden GTS. With that said, vehicle weight also plays an important factor in acceleration. 1978 Holden GTS weights approximately 45 kg more than 1974 AC 428.
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, 1974 AC 428 (639 Nm @ 2800 RPM) has 312 more torque (in Nm) than 1978 Holden GTS. (327 Nm @ 2600 RPM). This means 1974 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1978 Holden GTS. 1978 Holden GTS has automatic transmission and 1974 AC 428 has manual transmission. 1974 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Holden GTS will be easier to drive especially in heavy traffic.
Compare all specifications:
1974 AC 428 | 1978 Holden GTS | |
Make | AC | Holden |
Model | 428 | GTS |
Year Released | 1974 | 1978 |
Engine Position | Front | Front |
Engine Size | 7003 cc | 4141 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | in-line | in-line |
Horse Power | 298 HP | 158 HP |
Engine RPM | 4600 RPM | 4550 RPM |
Torque | 639 Nm | 327 Nm |
Torque RPM | 2800 RPM | 2600 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Vehicle Weight | 1430 kg | 1475 kg |
Vehicle Length | 4430 mm | 4850 mm |
Vehicle Width | 1710 mm | 1880 mm |
Vehicle Height | 1310 mm | 1400 mm |
Wheelbase Size | 2450 mm | 2830 mm |