1981 Bitter SC vs. 2007 Cadillac XLR
To start off, 2007 Cadillac XLR is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Bitter SC. In addition, the cost of maintenance, including insurance, on 1981 Bitter SC would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2007 Cadillac XLR (320 HP @ 6400 RPM) has 140 more horse power than 1981 Bitter SC. (180 HP @ 5800 RPM) In normal driving conditions, 2007 Cadillac XLR should accelerate faster than 1981 Bitter SC. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac XLR weights approximately 304 kg more than 1981 Bitter SC. 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, 2007 Cadillac XLR (420 Nm @ 4400 RPM) has 172 more torque (in Nm) than 1981 Bitter SC. (248 Nm @ 4200 RPM). This means 2007 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1981 Bitter SC.
Compare all specifications:
| 1981 Bitter SC | 2007 Cadillac XLR | |
| Make | Bitter | Cadillac |
| Model | SC | XLR |
| Year Released | 1981 | 2007 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2969 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 180 HP | 320 HP |
| Engine RPM | 5800 RPM | 6400 RPM |
| Torque | 248 Nm | 420 Nm |
| Torque RPM | 4200 RPM | 4400 RPM |
| Engine Bore Size | 95.1 mm | 93.1 mm |
| Engine Stroke Size | 69.8 mm | 84.1 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Acceleration 0-100mph | 10.1 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1654 kg |
| Vehicle Length | 4920 mm | 4520 mm |
| Vehicle Width | 1830 mm | 1840 mm |
| Vehicle Height | 1360 mm | 1290 mm |
| Wheelbase Size | 2690 mm | 2690 mm |
| Fuel Tank Capacity | 75 L | 68 L |
