1978 Alfa Romeo Giulietta vs. 2009 Cadillac XLR
To start off, 2009 Cadillac XLR is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1978 Alfa Romeo Giulietta would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2009 Cadillac XLR (321 HP @ 6400 RPM) has 213 more horse power than 1978 Alfa Romeo Giulietta. (108 HP @ 5600 RPM) In normal driving conditions, 2009 Cadillac XLR should accelerate faster than 1978 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac XLR weights approximately 564 kg more than 1978 Alfa Romeo Giulietta. 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, 2009 Cadillac XLR (420 Nm @ 4400 RPM) has 277 more torque (in Nm) than 1978 Alfa Romeo Giulietta. (143 Nm @ 4300 RPM). This means 2009 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Giulietta. 2009 Cadillac XLR has automatic transmission and 1978 Alfa Romeo Giulietta has manual transmission. 1978 Alfa Romeo Giulietta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac XLR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Alfa Romeo Giulietta | 2009 Cadillac XLR | |
| Make | Alfa Romeo | Cadillac |
| Model | Giulietta | XLR |
| Year Released | 1978 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 4565 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 108 HP | 321 HP |
| Engine RPM | 5600 RPM | 6400 RPM |
| Torque | 143 Nm | 420 Nm |
| Torque RPM | 4300 RPM | 4400 RPM |
| Engine Compression Ratio | 9.0:1 | 3.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1071 kg | 1635 kg |
| Vehicle Length | 4220 mm | 4520 mm |
| Vehicle Width | 1660 mm | 1840 mm |
| Vehicle Height | 1410 mm | 1290 mm |
| Wheelbase Size | 2460 mm | 2690 mm |
| Fuel Tank Capacity | 53 L | 68 L |
