1975 Opel Kadett vs. 1999 TVR Speed 12
To start off, 1999 TVR Speed 12 is newer by 24 year(s). Which means there will be less support and parts availability for 1975 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1975 Opel Kadett would be higher. At 7,728 cc (12 cylinders), 1999 TVR Speed 12 is equipped with a bigger engine. In terms of performance, 1999 TVR Speed 12 (790 HP @ 7750 RPM) has 739 more horse power than 1975 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 1999 TVR Speed 12 should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1999 TVR Speed 12 weights approximately 180 kg more than 1975 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1999 TVR Speed 12 (881 Nm @ 5750 RPM) has 800 more torque (in Nm) than 1975 Opel Kadett. (81 Nm @ 3400 RPM). This means 1999 TVR Speed 12 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett. 1975 Opel Kadett has automatic transmission and 1999 TVR Speed 12 has manual transmission. 1999 TVR Speed 12 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Opel Kadett will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Opel Kadett | 1999 TVR Speed 12 | |
| Make | Opel | TVR |
| Model | Kadett | Speed 12 |
| Year Released | 1975 | 1999 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1196 cc | 7728 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 790 HP |
| Engine RPM | 5600 RPM | 7750 RPM |
| Torque | 81 Nm | 881 Nm |
| Torque RPM | 3400 RPM | 5750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 820 kg | 1000 kg |
| Vehicle Length | 4150 mm | 4310 mm |
| Vehicle Width | 1590 mm | 1970 mm |
| Vehicle Height | 1340 mm | 1110 mm |
| Wheelbase Size | 2410 mm | 2570 mm |
| Fuel Tank Capacity | 43 L | 57 L |
