The MG ZT-T 2.5 i V6 24V, produced between 2003 and 2005, was a station wagon (estate) variant of the MG ZT, itself a revival of the Rover 75 platform following BMW’s divestment of the Rover Group. Positioned as a more practical alternative to the ZT saloon, the ZT-T aimed to offer a blend of British styling, a comfortable ride, and a relatively powerful engine in a package appealing to families and those needing additional cargo space. It was a key model in MG’s attempt to re-establish itself as a performance-oriented brand in the UK and European markets. The “T” designation stood for “Tourer,” signifying its estate body style.
Technical Specifications
| Brand | MG |
| Model | ZT |
| Generation | ZT-T |
| Type (Engine) | 2.5 i V6 24V (177 Hp) |
| Start of production | 2003 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 16.2 l/100 km (14.5 US mpg, 17.4 UK mpg, 6.2 km/l) |
| Fuel consumption (extra urban) | 8.1 l/100 km (29 US mpg, 34.9 UK mpg, 12.3 km/l) |
| Fuel consumption (combined) | 10.9 l/100 km (21.6 US mpg, 25.9 UK mpg, 9.2 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.3 sec |
| Acceleration 0 – 62 mph | 9.3 sec |
| Acceleration 0 – 60 mph | 8.8 sec |
| Maximum speed | 212 km/h (131.73 mph) |
| Weight-to-power ratio | 8.9 kg/Hp, 112.4 Hp/tonne |
| Weight-to-torque ratio | 6.6 kg/Nm, 152.4 Nm/tonne |
| Power | 177 Hp @ 6500 rpm |
| Power per litre | 70.9 Hp/l |
| Torque | 240 Nm @ 4000 rpm (177.01 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 25K4F |
| Engine displacement | 2497 cm3 (152.38 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 80 mm (3.15 in.) |
| Piston Stroke | 82.8 mm (3.26 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 5.2 l (5.49 US qt | 4.58 UK qt) |
| Coolant capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Kerb Weight | 1575 kg (3472.28 lbs.) |
| Max. weight | 2030 kg (4475.38 lbs.) |
| Max load | 455 kg (1003.1 lbs.) |
| Trunk (boot) space – minimum | 400 l (14.13 cu. ft.) |
| Trunk (boot) space – maximum | 1220 l (43.08 cu. ft.) |
| Fuel tank capacity | 65 l (17.17 US gal | 14.3 UK gal) |
| Length | 4790 mm (188.58 in.) |
| Width | 1780 mm (70.08 in.) |
| Height | 1410 mm (55.51 in.) |
| Wheelbase | 2746 mm (108.11 in.) |
| Front track | 1560 mm (61.42 in.) |
| Rear track | 1610 mm (63.39 in.) |
| Drivetrain Architecture | Front wheel drive |
| Drive wheel | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Automatic transmission |
| Front suspension | Spring Strut |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 225/45 R18 |
Powertrain & Engine Architecture
The ZT-T 2.5 i V6 utilized the 25K4F engine, a 2.5-liter naturally aspirated V6 derived from the KV6 engine family originally developed by Honda and later refined by MG. This engine featured a 60-degree V-angle, four valves per cylinder, and a dual overhead camshaft (DOHC) design. Fuel was delivered via multi-point fuel injection. The engine produced 177 horsepower at 6500 rpm and 240 Nm (177 lb-ft) of torque at 4000 rpm. The engine was transversely mounted in the front of the vehicle. Paired with this engine was a 5-speed automatic transmission, offering a more relaxed driving experience compared to the available manual gearbox. This automatic transmission, while providing convenience, wasn’t known for its particularly sporty shift characteristics.
Driving Characteristics
The 2.5 V6 automatic ZT-T offered a comfortable and refined driving experience. Acceleration to 60 mph took around 8.8-9.3 seconds, making it reasonably quick for its time, but noticeably slower than the ZT variants equipped with the more powerful V8 engine or even the turbocharged four-cylinder models. The automatic transmission, while smooth, did detract from the overall sense of driver engagement. Gear ratios were tuned for comfort and fuel economy rather than outright performance. The engine provided adequate power for highway cruising and overtaking, but lacked the urgency of its more potent siblings. The front-wheel-drive configuration contributed to a degree of torque steer under hard acceleration.
Equipment & Trim Levels
The ZT-T 2.5 i V6 typically came with a good level of standard equipment, including air conditioning, power steering, electric windows, and an RDS stereo. Higher trim levels, such as the ‘SE’ and ‘TLE’ variants, added features like leather upholstery, alloy wheels, climate control, and upgraded audio systems. Optional extras included a sunroof, satellite navigation, and parking sensors. Interior upholstery was generally cloth on base models, with leather available as an upgrade. The dashboard layout was carried over from the Rover 75, offering a classic British aesthetic with wood and chrome accents.
Chassis & Braking
The ZT-T utilized a MacPherson strut front suspension and a multi-link coil spring rear suspension. The suspension was tuned for comfort, providing a relatively smooth ride, although it could feel somewhat soft in corners. Braking was handled by ventilated discs at the front and solid discs at the rear, equipped with an Anti-lock Braking System (ABS). The steering was a hydraulic rack and pinion system, offering reasonable precision but lacking the feel of more modern electric power steering setups. The ZT-T’s weight of around 1575 kg (3472 lbs) contributed to its moderate handling characteristics.
Market Reception & Comparison
The MG ZT-T 2.5 i V6 was generally well-received by the motoring press as a practical and comfortable estate car. However, it was often criticized for its relatively high price compared to rivals like the Ford Mondeo Estate and Vauxhall Vectra Estate. The automatic transmission was also a point of contention, with some reviewers preferring the more engaging experience of the manual gearbox. Fuel economy, at around 21.6 US mpg combined, was average for its class. Compared to the ZT 2.5 V6 manual, the automatic version offered less driver involvement but greater convenience. The higher-output ZT 3.0 V6 and ZT 260 V8 models offered significantly more performance, but at a higher cost.
Legacy
The MG ZT-T 2.5 i V6, like all MG models produced during the final years of the company, is now a relatively rare vehicle. The KV6 engine, while generally reliable, can be prone to head gasket failures if not properly maintained. The automatic transmission is generally durable, but can require expensive repairs if issues arise. Today, the ZT-T 2.5 i V6 is appreciated by enthusiasts for its unique blend of British style, comfort, and practicality. Well-maintained examples are becoming increasingly collectible, representing a final chapter in MG’s long and storied history. Parts availability can be a challenge, but a dedicated community of MG owners and specialists helps to keep these cars on the road.
