2009 Mercedes-Benz R vs. 1975 Sunbeam Rapier
To start off, 2009 Mercedes-Benz R is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Sunbeam Rapier. In addition, the cost of maintenance, including insurance, on 1975 Sunbeam Rapier would be higher. At 2,987 cc, 2009 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz R (221 HP @ 3800 RPM) has 142 more horse power than 1975 Sunbeam Rapier. (79 HP @ 5200 RPM). In normal driving conditions, 2009 Mercedes-Benz R should accelerate faster than 1975 Sunbeam Rapier. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz R weights approximately 1268 kg more than 1975 Sunbeam Rapier. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 1975 Sunbeam Rapier. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Mercedes-Benz R (510 Nm @ 2800 RPM) has 384 more torque (in Nm) than 1975 Sunbeam Rapier. (126 Nm @ 3800 RPM). This means 2009 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1975 Sunbeam Rapier.
Compare all specifications:
| 2009 Mercedes-Benz R | 1975 Sunbeam Rapier | |
| Make | Mercedes-Benz | Sunbeam |
| Model | R | Rapier |
| Year Released | 2009 | 1975 |
| Body Type | Minivan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2987 cc | 1725 cc |
| Horse Power | 221 HP | 79 HP |
| Engine RPM | 3800 RPM | 5200 RPM |
| Torque | 510 Nm | 126 Nm |
| Torque RPM | 2800 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 81.5 mm |
| Engine Stroke Size | 92 mm | 82.7 mm |
| Engine Compression Ratio | 17.7:1 | 9.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2298 kg | 1030 kg |
| Vehicle Length | 5180 mm | 4440 mm |
| Vehicle Width | 1670 mm | 1670 mm |
| Vehicle Height | 1930 mm | 1390 mm |
| Wheelbase Size | 3220 mm | 2510 mm |
| Fuel Tank Capacity | 80 L | 68 L |
