The Vauxhall Carlton Mk III 2.0 CAT (99 hp) was a variant of the Mk III Carlton produced between 1990 and 1994. Positioned as an entry-level model within the Carlton range, it offered a more affordable option compared to the higher-specification 2.4 and 2.8-litre models, and the potent GSi variants. The “CAT” designation signified the inclusion of a catalytic converter, reflecting increasing environmental regulations in Europe at the time. This model played a significant role in providing a comfortable and relatively economical executive car for the UK market, appealing to fleet buyers and private owners alike. It was built on the GM X-body platform, shared with the Opel Carlton and, with modifications, the Saab 9000.
Technical Specifications
| Brand | Vauxhall |
| Model | Carlton Mk III |
| Type (Engine) | 2.0 CAT (99 Hp) |
| Start of production | 1990 |
| End of production | 1994 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Petrol (Gasoline) |
| Power | 99 Hp |
| Engine Model/Code | C20NEJ |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant capacity | 6 l (6.34 US qt | 5.28 UK qt) |
| Trunk (boot) space – minimum | 520 l (18.36 cu. ft.) |
| Trunk (boot) space – maximum | 870 l (30.72 cu. ft.) |
| Fuel tank capacity | 75 l (19.81 US gal | 16.5 UK gal) |
| Length | 4768 mm (187.72 in.) |
| Width | 1812 mm (71.34 in.) |
| Width including mirrors | 1933 mm (76.1 in.) |
| Height | 1435 mm (56.5 in.) |
| Wheelbase | 2730 mm (107.48 in.) |
| Drivetrain Architecture | Rear wheel drive |
Powertrain & Engine Architecture
The Carlton 2.0 CAT was powered by the C20NEJ engine, a 1998cc (2.0-litre) naturally aspirated four-cylinder petrol engine. This engine was part of Vauxhall/Opel’s ‘E’ family of engines, known for their robustness and relatively simple design. It featured a cast iron block and an aluminium cylinder head, with two valves per cylinder operated by a single overhead camshaft. Fuel injection was handled by Bosch Motronic, a sophisticated system for its time, providing precise fuel metering for improved efficiency and reduced emissions. The catalytic converter, integral to the “CAT” designation, played a crucial role in reducing harmful exhaust gases. The engine produced 99 horsepower (74 kW) and approximately 132 lb-ft of torque. This power was delivered to the rear wheels through a four-speed automatic transmission, a common pairing for this trim level, prioritizing comfort over outright performance.
Driving Characteristics
The 2.0 CAT automatic Carlton offered a comfortable, if not particularly sporty, driving experience. The four-speed automatic transmission, while smooth, was geared for economy rather than acceleration. Acceleration from 0-60 mph took around 11-12 seconds, and top speed was approximately 115 mph. Compared to the manual transmission versions of the 2.0, the automatic suffered a slight performance penalty. The automatic’s gear ratios were taller, prioritizing fuel efficiency and relaxed cruising. Compared to the more powerful 2.4 and 2.8-litre models, the 2.0 CAT felt noticeably less responsive, particularly when overtaking. However, the rear-wheel-drive layout provided a balanced feel, and the suspension offered a good compromise between comfort and handling.
Equipment & Trim Levels
The 2.0 CAT trim level was generally considered the base model in the Carlton Mk III range. Standard equipment included central locking, electric front windows, and a basic stereo system. Interior upholstery was typically cloth, available in a range of colours. The dashboard layout was functional and straightforward, with clear instrumentation. Optional extras included air conditioning, a sunroof, and upgraded stereo systems. Higher trim levels, such as the GLS and GSi, offered more luxurious features like leather upholstery, alloy wheels, and more advanced audio systems. The 2.0 CAT was often chosen by company car drivers and those seeking a comfortable and reliable executive car without the expense of the higher-specification models.
Chassis & Braking
The Carlton Mk III featured independent suspension all around, with MacPherson struts at the front and a semi-trailing arm suspension at the rear. This setup provided a comfortable ride and reasonable handling. The 2.0 CAT typically came equipped with disc brakes at the front and drum brakes at the rear. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The steering was power-assisted, making it light and easy to use, particularly at low speeds. The chassis was robust and well-built, contributing to the Carlton’s reputation for durability.
Market Reception & Comparison
The Vauxhall Carlton 2.0 CAT was generally well-received by critics as a practical and comfortable executive car. It was praised for its spacious interior, comfortable ride, and relatively low running costs. However, it was often criticized for its lack of performance compared to its larger-engined siblings. Fuel economy was reasonable for the time, averaging around 25-30 mpg. Compared to rivals such as the Ford Granada and Rover 800, the Carlton offered a good balance of features and value. The 2.4 and 2.8-litre Carlton models offered significantly more performance, but at a higher price point. The GSi variants, with their powerful engines and sport-tuned suspension, were aimed at a different market segment altogether.
Legacy
The Vauxhall Carlton Mk III 2.0 CAT, while not the most exciting variant in the range, proved to be a reliable and durable car. The C20NEJ engine is known for its longevity, and many examples are still on the road today. The automatic transmission, while not particularly sophisticated, is generally reliable if properly maintained. In the used car market, the 2.0 CAT represents an affordable entry point into Carlton ownership. Its simplicity and relatively low running costs make it an attractive option for classic car enthusiasts and those seeking a comfortable and reliable classic executive car. Parts availability is generally good, although some trim-specific items may be difficult to find. The Carlton, in all its forms, remains a fondly remembered example of British automotive engineering from the 1990s.
