1999 Mercedes-Benz SLK vs. 1971 Riley 4
To start off, 1999 Mercedes-Benz SLK is newer by 28 year(s). Which means there will be less support and parts availability for 1971 Riley 4. In addition, the cost of maintenance, including insurance, on 1971 Riley 4 would be higher. At 3,199 cc (6 cylinders), 1999 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 1999 Mercedes-Benz SLK (215 HP @ 5700 RPM) has 148 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 1999 Mercedes-Benz SLK should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercedes-Benz SLK weights approximately 182 kg more than 1971 Riley 4. 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, 1999 Mercedes-Benz SLK (316 Nm @ 3000 RPM) has 195 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 1999 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 1999 Mercedes-Benz SLK | 1971 Riley 4 | |
| Make | Mercedes-Benz | Riley |
| Model | SLK | 4 |
| Year Released | 1999 | 1971 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3199 cc | 1622 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 215 HP | 67 HP |
| Engine RPM | 5700 RPM | 5000 RPM |
| Torque | 316 Nm | 121 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 89.9 mm | 76.3 mm |
| Engine Stroke Size | 84 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1148 kg |
| Vehicle Length | 4000 mm | 4540 mm |
| Vehicle Width | 1720 mm | 1620 mm |
| Vehicle Height | 1280 mm | 1510 mm |
| Wheelbase Size | 2410 mm | 2530 mm |
| Fuel Tank Capacity | 60 L | 45 L |
