1978 Mazda RX-7 vs. 1991 Renault Espace
To start off, 1991 Renault Espace is newer by 13 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 2,849 cc (6 cylinders), 1991 Renault Espace is equipped with a bigger engine. In terms of performance, 1991 Renault Espace (152 HP @ 5400 RPM) has 47 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM) In normal driving conditions, 1991 Renault Espace should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1991 Renault Espace weights approximately 330 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.
Let's talk about torque, 1991 Renault Espace (163 Nm @ 2500 RPM) has 18 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1991 Renault Espace will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7.
Compare all specifications:
| 1978 Mazda RX-7 | 1991 Renault Espace | |
| Make | Mazda | Renault |
| Model | RX-7 | Espace |
| Year Released | 1978 | 1991 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 2849 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 105 HP | 152 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 145 Nm | 163 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1060 kg | 1390 kg |
| Vehicle Length | 4290 mm | 4440 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1280 mm | 1700 mm |
