1958 AC Ace vs. 2003 Fiat Siena
To start off, 2003 Fiat Siena is newer by 45 year(s). Which means there will be less support and parts availability for 1958 AC Ace. In addition, the cost of maintenance, including insurance, on 1958 AC Ace would be higher. At 1,969 cc (6 cylinders), 1958 AC Ace is equipped with a bigger engine. In terms of performance, 1958 AC Ace (125 HP @ 6000 RPM) has 55 more horse power than 2003 Fiat Siena. (70 HP @ 5750 RPM). In normal driving conditions, 1958 AC Ace should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2003 Fiat Siena weights approximately 124 kg more than 1958 AC Ace.
Because 1958 AC Ace 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 1958 AC Ace. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 1958 AC Ace (167 Nm @ 4500 RPM) has 72 more torque (in Nm) than 2003 Fiat Siena. (95 Nm @ 4000 RPM). This means 1958 AC Ace will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 1958 AC Ace | 2003 Fiat Siena | |
| Make | AC | Fiat |
| Model | Ace | Siena |
| Year Released | 1958 | 2003 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 70 HP |
| Engine RPM | 6000 RPM | 5750 RPM |
| Torque | 167 Nm | 95 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 896 kg | 1020 kg |
| Vehicle Length | 4010 mm | 4110 mm |
| Vehicle Width | 1540 mm | 1630 mm |
| Vehicle Height | 1270 mm | 1470 mm |
| Wheelbase Size | 2290 mm | 2380 mm |
