2001 AC Cobra vs. 2007 Mercedes-Benz R
To start off, 2007 Mercedes-Benz R is newer by 6 year(s). Which means there will be less support and parts availability for 2001 AC Cobra. In addition, the cost of maintenance, including insurance, on 2001 AC Cobra would be higher. At 3,506 cc (8 cylinders), 2001 AC Cobra is equipped with a bigger engine. In terms of performance, 2001 AC Cobra (350 HP @ 6500 RPM) has 163 more horse power than 2007 Mercedes-Benz R. (187 HP @ 4000 RPM). In normal driving conditions, 2001 AC Cobra should accelerate faster than 2007 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 1166 kg more than 2001 AC Cobra.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2001 AC Cobra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Mercedes-Benz R (440 Nm @ 1400 RPM) has 40 more torque (in Nm) than 2001 AC Cobra. (400 Nm @ 4000 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2001 AC Cobra. 2007 Mercedes-Benz R has automatic transmission and 2001 AC Cobra has manual transmission. 2001 AC Cobra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 AC Cobra | 2007 Mercedes-Benz R | |
| Make | AC | Mercedes-Benz |
| Model | Cobra | R |
| Year Released | 2001 | 2007 |
| Body Type | Roadster | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 2987 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 350 HP | 187 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 400 Nm | 440 Nm |
| Torque RPM | 4000 RPM | 1400 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 81 mm | 92 mm |
| Engine Compression Ratio | 8.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1060 kg | 2226 kg |
| Vehicle Length | 4210 mm | 4930 mm |
| Vehicle Width | 1750 mm | 1930 mm |
| Vehicle Height | 1210 mm | 1660 mm |
| Wheelbase Size | 2300 mm | 2990 mm |
