1975 Mazda RX 4 Coupe vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 34 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 5,999 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 239 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 1554 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, 2009 GMC Sierra (506 Nm @ 4400 RPM) has 341 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 2009 GMC Sierra 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 | 2009 GMC Sierra | |
| Make | Mazda | GMC |
| Model | RX 4 Coupe | Sierra |
| Year Released | 1975 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 5999 cc |
| Engine Cylinders | 2 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 114 HP | 353 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 165 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 3 seats |
| Vehicle Weight | 1110 kg | 2664 kg |
| Vehicle Length | 4400 mm | 5710 mm |
| Vehicle Width | 1670 mm | 2040 mm |
| Vehicle Height | 1390 mm | 1940 mm |
| Wheelbase Size | 2520 mm | 3380 mm |
