1971 AC 428 vs. 2008 Fiat Siena

To start off, 2008 Fiat Siena is newer by 37 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 192 more horse power than 2008 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 2008 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 335 kg more than 2008 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 1971 AC 428 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1971 AC 428. However, in wet, icy, snow, or gravel driving conditions, 2008 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 499 more torque (in Nm) than 2008 Fiat Siena. (140 Nm @ 4000 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2008 Fiat Siena.

Compare all specifications:

1971 AC 428 2008 Fiat Siena
Make AC Fiat
Model 428 Siena
Year Released 1971 2008
Engine Position Front Front
Engine Size 7003 cc 1581 cc
Engine Cylinders 8 cylinders 4 cylinders
Engine Type in-line in-line
Horse Power 298 HP 106 HP
Engine RPM 4600 RPM 5500 RPM
Torque 639 Nm 140 Nm
Torque RPM 2800 RPM 4000 RPM
Fuel Type Gasoline Gasoline
Drive Type Rear Front
Transmission Type Manual Manual
Number of Seats 2 seats 5 seats
Number of Doors 2 doors 4 doors
Vehicle Weight 1430 kg 1095 kg
Vehicle Length 4430 mm 3550 mm
Vehicle Width 1710 mm 1640 mm
Vehicle Height 1310 mm 1490 mm
Wheelbase Size 2450 mm 2370 mm