1975 Mazda RX 4 Coupe vs. 1998 TVR Speed 12
To start off, 1998 TVR Speed 12 is newer by 23 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 7,730 cc (12 cylinders), 1998 TVR Speed 12 is equipped with a bigger engine. In terms of performance, 1998 TVR Speed 12 (790 HP @ 7750 RPM) has 676 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM) In normal driving conditions, 1998 TVR Speed 12 should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mazda RX 4 Coupe weights approximately 110 kg more than 1998 TVR Speed 12.
Let's talk about torque, 1998 TVR Speed 12 (881 Nm @ 5750 RPM) has 716 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 1998 TVR Speed 12 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 | 1998 TVR Speed 12 | |
| Make | Mazda | TVR |
| Model | RX 4 Coupe | Speed 12 |
| Year Released | 1975 | 1998 |
| Engine Position | Front | Middle |
| Engine Size | 2616 cc | 7730 cc |
| Engine Cylinders | 2 cylinders | 12 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 790 HP |
| Engine RPM | 6000 RPM | 7750 RPM |
| Torque | 165 Nm | 881 Nm |
| Torque RPM | 4000 RPM | 5750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1110 kg | 1000 kg |
| Vehicle Length | 4400 mm | 4310 mm |
| Vehicle Width | 1670 mm | 1970 mm |
| Vehicle Height | 1390 mm | 1110 mm |
| Wheelbase Size | 2520 mm | 2570 mm |
