2008 Cadillac XLR vs. 2006 Mercedes-Benz R
To start off, 2008 Cadillac XLR is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz R would be higher. At 6,208 cc (8 cylinders), 2006 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz R (504 HP @ 6800 RPM) has 184 more horse power than 2008 Cadillac XLR. (320 HP @ 6400 RPM) In normal driving conditions, 2006 Mercedes-Benz R should accelerate faster than 2008 Cadillac XLR. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz R weights approximately 737 kg more than 2008 Cadillac XLR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2008 Cadillac XLR. In wet, icy, snow, or gravel driving conditions, 2006 Mercedes-Benz R will offer significantly more control. 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, 2006 Mercedes-Benz R (630 Nm @ 5200 RPM) has 210 more torque (in Nm) than 2008 Cadillac XLR. (420 Nm @ 4400 RPM). This means 2006 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac XLR.
Compare all specifications:
| 2008 Cadillac XLR | 2006 Mercedes-Benz R | |
| Make | Cadillac | Mercedes-Benz |
| Model | XLR | R |
| Year Released | 2008 | 2006 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4566 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 504 HP |
| Engine RPM | 6400 RPM | 6800 RPM |
| Torque | 420 Nm | 630 Nm |
| Torque RPM | 4400 RPM | 5200 RPM |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1638 kg | 2375 kg |
| Vehicle Length | 4520 mm | 5160 mm |
| Vehicle Width | 1840 mm | 1930 mm |
| Vehicle Height | 1290 mm | 1640 mm |
| Wheelbase Size | 2690 mm | 3220 mm |
| Fuel Consumption Overall | 13.1 L/100km | 16.3 L/100km |
| Fuel Tank Capacity | 68 L | 80 L |
