1967 AC 428 vs. 1970 Triumph Spitfire
To start off, 1970 Triumph Spitfire is newer by 3 year(s). Which means there will be less support and parts availability for 1967 AC 428. In addition, the cost of maintenance, including insurance, on 1967 AC 428 would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP) has 278 more horse power than 1970 Triumph Spitfire. (67 HP). In normal driving conditions, 1967 AC 428 should accelerate faster than 1970 Triumph Spitfire. With that said, vehicle weight also plays an important factor in acceleration. 1967 AC 428 weights approximately 733 kg more than 1970 Triumph Spitfire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1967 AC 428 (626 Nm @ 2800 RPM) has 527 more torque (in Nm) than 1970 Triumph Spitfire. (99 Nm @ 3000 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1970 Triumph Spitfire.
Compare all specifications:
| 1967 AC 428 | 1970 Triumph Spitfire | |
| Make | AC | Triumph |
| Model | 428 | Spitfire |
| Year Released | 1967 | 1970 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 1294 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 345 HP | 67 HP |
| Torque | 626 Nm | 99 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1483 kg | 750 kg |
| Vehicle Length | 4520 mm | 3690 mm |
| Vehicle Width | 1710 mm | 1450 mm |
| Vehicle Height | 1260 mm | 1210 mm |
| Wheelbase Size | 2440 mm | 2110 mm |
