| Category | USAC IndyCar |
|---|---|
| Constructor | Team Lotus |
| Designer(s) | Colin Chapman Len Terry |
| Predecessor | Lotus 38 |
| Successor | Lotus 56 |
| Technical specifications | |
| Chassis | Aluminium monocoque. |
| Suspension (front) | Double wishbones, inboard coil springs over dampers. |
| Suspension (rear) | Reverse lower wishbones, top link, twin radius rods, coil springs over dampers, anti-roll bar |
| Length | 155.9 in (396 cm) |
| Width | 73 in (185 cm) |
| Height | 31 in (79 cm) |
| Axle track | Front: 60 in (152 cm) Rear: 60 in (152 cm) |
| Wheelbase | 95.9 in (244 cm) |
| Engine | Ford 4,195 cc (256.0 cu in) DOHC 90° V8, naturally aspirated, mid-mounted. |
| Transmission | ZF 2DS-20 2-speed manual gearbox. |
| Power | 520 hp (390 kW) |
| Weight | 612 kg (1,349 lb) |
| Competition history | |
| Notable entrants | Team Lotus |
| Notable drivers |  Graham Hill |
| Debut | 1967 Indianapolis 500 |
The Lotus 42 is an open-wheel race car built by Team Lotus for the 1967 Indianapolis 500. The car was unsuccessful that year, with Graham Hill retiring on lap 23 of the race.