2003 Opel Speedster vs. 1971 Rover 3.5 Litre
To start off, 2003 Opel Speedster is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Rover 3.5 Litre. In addition, the cost of maintenance, including insurance, on 1971 Rover 3.5 Litre would be higher. At 3,532 cc (8 cylinders), 1971 Rover 3.5 Litre is equipped with a bigger engine. In terms of performance, 1971 Rover 3.5 Litre (148 HP @ 5000 RPM) has 3 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM) In normal driving conditions, 1971 Rover 3.5 Litre should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 1971 Rover 3.5 Litre weights approximately 762 kg more than 2003 Opel Speedster. 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, 1971 Rover 3.5 Litre (276 Nm @ 2600 RPM) has 73 more torque (in Nm) than 2003 Opel Speedster. (203 Nm @ 4000 RPM). This means 1971 Rover 3.5 Litre will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster. 1971 Rover 3.5 Litre has automatic transmission and 2003 Opel Speedster has manual transmission. 2003 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1971 Rover 3.5 Litre will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Speedster | 1971 Rover 3.5 Litre | |
| Make | Opel | Rover |
| Model | Speedster | 3.5 Litre |
| Year Released | 2003 | 1971 |
| Engine Position | Middle | Front |
| Engine Size | 2198 cc | 3532 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 148 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 203 Nm | 276 Nm |
| Torque RPM | 4000 RPM | 2600 RPM |
| Engine Bore Size | 86 mm | 88.9 mm |
| Engine Stroke Size | 94.6 mm | 71.1 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 876 kg | 1638 kg |
| Vehicle Length | 3790 mm | 4750 mm |
| Vehicle Width | 1710 mm | 1790 mm |
| Vehicle Height | 1120 mm | 1550 mm |
| Wheelbase Size | 2710 mm | 2820 mm |
