1971 Cadillac Eldorado vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Cadillac Eldorado. In addition, the cost of maintenance, including insurance, on 1971 Cadillac Eldorado would be higher. At 8,190 cc (8 cylinders), 1971 Cadillac Eldorado is equipped with a bigger engine. In terms of performance, 1971 Cadillac Eldorado (223 HP @ 4400 RPM) has 151 more horse power than 2007 Fiat Siena. (72 HP @ 6000 RPM). In normal driving conditions, 1971 Cadillac Eldorado should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Eldorado weights approximately 1040 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 1971 Cadillac Eldorado (744 Nm @ 3000 RPM) has 642 more torque (in Nm) than 2007 Fiat Siena. (102 Nm @ 3250 RPM). This means 1971 Cadillac Eldorado will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 1971 Cadillac Eldorado has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1971 Cadillac Eldorado will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1971 Cadillac Eldorado | 2007 Fiat Siena | |
| Make | Cadillac | Fiat |
| Model | Eldorado | Siena |
| Year Released | 1971 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 8190 cc | 1242 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 223 HP | 72 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 744 Nm | 102 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Bore Size | 109.2 mm | 70.9 mm |
| Engine Stroke Size | 109.3 mm | 78.9 mm |
| Engine Compression Ratio | 8.5:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2110 kg | 1070 kg |
| Vehicle Length | 5630 mm | 3830 mm |
| Vehicle Width | 2040 mm | 1640 mm |
| Vehicle Height | 1370 mm | 1440 mm |
| Wheelbase Size | 3210 mm | 2380 mm |
| Fuel Tank Capacity | 100 L | 54 L |
