1973 AC 428 vs. 2012 GMC Sierra

To start off, 2012 GMC Sierra is newer by 39 year(s). Which means there will be less support and parts availability for 1973 AC 428. In addition, the cost of maintenance, including insurance, on 1973 AC 428 would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (315 HP @ 5200 RPM) has 17 more horse power than 1973 AC 428. (298 HP @ 4600 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 1973 AC 428. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 881 kg more than 1973 AC 428. 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 185 more torque (in Nm) than 2012 GMC Sierra. (454 Nm @ 4000 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2012 GMC Sierra. 2012 GMC Sierra has automatic transmission and 1973 AC 428 has manual transmission. 1973 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 GMC Sierra will be easier to drive especially in heavy traffic.

Compare all specifications:

1973 AC 428 2012 GMC Sierra
Make AC GMC
Model 428 Sierra
Year Released 1973 2012
Engine Position Front Front
Engine Size 7002 cc 5300 cc
Engine Cylinders 8 cylinders 8 cylinders
Engine Type in-line V
Horse Power 298 HP 315 HP
Engine RPM 4600 RPM 5200 RPM
Torque 639 Nm 454 Nm
Torque RPM 2800 RPM 4000 RPM
Fuel Type Gasoline Flex Fuel
Drive Type Rear Rear
Transmission Type Manual 6-speed shiftable automatic
Vehicle Weight 1430 kg 2311 kg
Vehicle Length 4430 mm 5847 mm
Vehicle Width 1710 mm 2032 mm
Wheelbase Size 2450 mm 3645 mm