1978 Mazda RX-7 vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 21 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-7 would be higher. At 2,292 cc, 1978 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (123 HP @ 3250 RPM) has 18 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 550 kg more than 1978 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Mazda RX-7 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Mazda RX-7. However, in wet, icy, snow, or gravel driving conditions, 1999 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 Opel Signum (271 Nm @ 1500 RPM) has 126 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7. 1999 Opel Signum has automatic transmission and 1978 Mazda RX-7 has manual transmission. 1978 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
1978 Mazda RX-7 | 1999 Opel Signum | |
Make | Mazda | Opel |
Model | RX-7 | Signum |
Year Released | 1978 | 1999 |
Body Type | Coupe | Hatchback |
Engine Position | Front | Front |
Engine Size | 2292 cc | 2171 cc |
Engine Type | dual-disk rotary | in-line |
Horse Power | 105 HP | 123 HP |
Engine RPM | 6000 RPM | 3250 RPM |
Torque | 145 Nm | 271 Nm |
Torque RPM | 4000 RPM | 1500 RPM |
Fuel Type | Gasoline | Diesel |
Top Speed | 185 km/hour | 201 km/hour |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1060 kg | 1610 kg |
Vehicle Length | 4290 mm | 4640 mm |
Vehicle Width | 1680 mm | 1800 mm |
Vehicle Height | 1280 mm | 1470 mm |
Wheelbase Size | 2430 mm | 2840 mm |
Fuel Tank Capacity | 65 L | 61 L |