2006 Chevrolet Express vs. 1978 Mazda RX-7
To start off, 2006 Chevrolet Express is newer by 28 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 5,326 cc (8 cylinders), 2006 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2006 Chevrolet Express (295 HP @ 5200 RPM) has 190 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM). In normal driving conditions, 2006 Chevrolet Express should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chevrolet Express weights approximately 1477 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 2006 Chevrolet Express is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2006 Chevrolet Express 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, 2006 Chevrolet Express (454 Nm @ 4000 RPM) has 309 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2006 Chevrolet Express will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7.
Compare all specifications:
| 2006 Chevrolet Express | 1978 Mazda RX-7 | |
| Make | Chevrolet | Mazda |
| Model | Express | RX-7 |
| Year Released | 2006 | 1978 |
| Body Type | Van | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5326 cc | 2292 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 295 HP | 105 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 454 Nm | 145 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2537 kg | 1060 kg |
| Vehicle Length | 5700 mm | 4290 mm |
| Vehicle Width | 2020 mm | 1680 mm |
| Vehicle Height | 2080 mm | 1280 mm |
| Wheelbase Size | 3440 mm | 2430 mm |
| Fuel Tank Capacity | 117 L | 65 L |
