1975 Mazda RX 4 Coupe vs. 2007 Pontiac Grand Prix
To start off, 2007 Pontiac Grand Prix is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Mazda RX 4 Coupe. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX 4 Coupe would be higher. At 3,786 cc (6 cylinders), 2007 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2007 Pontiac Grand Prix (200 HP) has 86 more horse power than 1975 Mazda RX 4 Coupe. (114 HP) In normal driving conditions, 2007 Pontiac Grand Prix should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2007 Pontiac Grand Prix weights approximately 246 kg more than 1975 Mazda RX 4 Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Pontiac Grand Prix (312 Nm @ 4000 RPM) has 147 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 2007 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 1975 Mazda RX 4 Coupe | 2007 Pontiac Grand Prix | |
| Make | Mazda | Pontiac |
| Model | RX 4 Coupe | Grand Prix |
| Year Released | 1975 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 3786 cc |
| Engine Cylinders | 2 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 114 HP | 200 HP |
| Torque | 165 Nm | 312 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 1356 kg |
| Vehicle Length | 4400 mm | 5040 mm |
| Vehicle Width | 1670 mm | 1830 mm |
| Vehicle Height | 1390 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2810 mm |
