1947 Allard J1 vs. 1978 Cadillac Seville
To start off, 1978 Cadillac Seville is newer by 31 year(s). Which means there will be less support and parts availability for 1947 Allard J1. In addition, the cost of maintenance, including insurance, on 1947 Allard J1 would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 1978 Cadillac Seville (123 HP @ 3600 RPM) has 23 more horse power than 1947 Allard J1. (100 HP @ 3800 RPM) In normal driving conditions, 1978 Cadillac Seville should accelerate faster than 1947 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 750 kg more than 1947 Allard J1. 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, 1947 Allard J1 (305 Nm @ 2500 RPM) has 1 more torque (in Nm) than 1978 Cadillac Seville. (304 Nm @ 1600 RPM). This means 1947 Allard J1 will have an easier job in driving up hills or pulling heavy equipment than 1978 Cadillac Seville. 1978 Cadillac Seville has automatic transmission and 1947 Allard J1 has manual transmission. 1947 Allard J1 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1947 Allard J1 | 1978 Cadillac Seville | |
| Make | Allard | Cadillac |
| Model | J1 | Seville |
| Year Released | 1947 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 3917 cc | 5735 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 123 HP |
| Engine RPM | 3800 RPM | 3600 RPM |
| Torque | 305 Nm | 304 Nm |
| Torque RPM | 2500 RPM | 1600 RPM |
| Engine Bore Size | 81 mm | 103 mm |
| Engine Stroke Size | 95.3 mm | 86 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1140 kg | 1890 kg |
| Vehicle Length | 3690 mm | 5190 mm |
| Vehicle Width | 1480 mm | 1830 mm |
| Vehicle Height | 1510 mm | 1400 mm |
| Wheelbase Size | 2440 mm | 2910 mm |
| Fuel Tank Capacity | 90 L | 79 L |
