1981 Mazda Cosmo vs. 2007 Mercedes-Benz R
To start off, 2007 Mercedes-Benz R is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Mazda Cosmo. In addition, the cost of maintenance, including insurance, on 1981 Mazda Cosmo would be higher. At 6,208 cc (8 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (503 HP @ 6800 RPM) has 401 more horse power than 1981 Mazda Cosmo. (102 HP @ 5300 RPM) In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 1981 Mazda Cosmo.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 1981 Mazda Cosmo. 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 (632 Nm @ 5000 RPM) has 465 more torque (in Nm) than 1981 Mazda Cosmo. (167 Nm @ 3300 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda Cosmo. 2007 Mercedes-Benz R has automatic transmission and 1981 Mazda Cosmo has manual transmission. 1981 Mazda Cosmo 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:
| 1981 Mazda Cosmo | 2007 Mercedes-Benz R | |
| Make | Mazda | Mercedes-Benz |
| Model | Cosmo | R |
| Year Released | 1981 | 2007 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 6208 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 102 HP | 503 HP |
| Engine RPM | 5300 RPM | 6800 RPM |
| Torque | 167 Nm | 632 Nm |
| Torque RPM | 3300 RPM | 5000 RPM |
| Engine Bore Size | 80 mm | 102.2 mm |
| Engine Stroke Size | 98 mm | 94.6 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4670 mm | 5160 mm |
| Vehicle Width | 1700 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1670 mm |
| Wheelbase Size | 2620 mm | 3220 mm |
