The Hyundai XG 3.5 i V6 24V, produced from 2002 to 2005, represented a significant step forward for Hyundai in the mid-size sedan segment. Positioned as a near-luxury offering, the XG aimed to compete with established Japanese and American brands. It was the flagship sedan for Hyundai during its production run, built on a dedicated platform and featuring a more refined interior and more powerful engine than previous Hyundai offerings. The XG was not sold in all markets, primarily targeting North America and select international regions. This particular variant, the 3.5 i V6 with 197 horsepower, was the top-of-the-line trim level, offering the most performance and features within the XG range.
Technical Specifications
| Brand | Hyundai |
| Model | XG |
| Generation | XG |
| Type (Engine) | 3.5 i V6 24V (197 Hp) |
| Start of production | 2002 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 17.7 l/100 km (13.3 US mpg, 16 UK mpg, 5.6 km/l) |
| Fuel consumption (extra urban) | 8.7 l/100 km (27 US mpg, 32.5 UK mpg, 11.5 km/l) |
| Fuel consumption (combined) | 12 l/100 km (19.6 US mpg, 23.5 UK mpg, 8.3 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.6 sec |
| Acceleration 0 – 62 mph | 8.6 sec |
| Acceleration 0 – 60 mph | 8.2 sec |
| Maximum speed | 230 km/h (142.92 mph) |
| Weight-to-power ratio | 9.1 kg/Hp, 109.7 Hp/tonne |
| Weight-to-torque ratio | 6.1 kg/Nm, 162.7 Nm/tonne |
| Power | 197 Hp @ 5500 rpm |
| Power per litre | 56.3 Hp/l |
| Torque | 292 Nm @ 3500 rpm (215.37 lb.-ft. @ 3500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Sigma / G6CU |
| Engine displacement | 3497 cm3 (213.4 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 93 mm (3.66 in.) |
| Piston Stroke | 85.8 mm (3.38 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Coolant capacity | 11.2 l (11.83 US qt | 9.85 UK qt) |
| Kerb Weight | 1795 kg (3957.3 lbs.) |
| Max. weight | 2230 kg (4916.31 lbs.) |
| Max load | 435 kg (959.01 lbs.) |
| Trunk (boot) space – minimum | 453 l (16 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4865 mm (191.54 in.) |
| Width | 1825 mm (71.85 in.) |
| Height | 1420 mm (55.91 in.) |
| Wheelbase | 2750 mm (108.27 in.) |
| Front track | 1540 mm (60.63 in.) |
| Rear (Back) track | 1530 mm (60.24 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Double wishbone |
| 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 | 205/65 R16 |
Powertrain & Engine Architecture
The heart of the XG 3.5 i was the Hyundai Sigma engine, specifically the G6CU variant. This 3.5-liter, naturally aspirated V6 engine featured a 60-degree V-angle and utilized a cast iron block with an aluminum cylinder head. The engine employed multi-port fuel injection and a dual overhead camshaft (DOHC) design with four valves per cylinder, contributing to its respectable power output. The 197 horsepower and 215 lb-ft of torque were considered competitive for its class at the time. The engine was paired exclusively with a four-speed automatic transmission, designed for smooth and comfortable shifting. This transmission, while adequate, was a point of criticism compared to the more modern five-speed automatics found in some competitors.
Driving Characteristics
The XG 3.5 i offered a comfortable and refined driving experience. The 3.5-liter V6 provided sufficient power for everyday driving and passing maneuvers, with a 0-60 mph time of around 8.2 seconds. However, it wasn’t a particularly sporty vehicle. The four-speed automatic transmission, while smooth, lacked the responsiveness of more advanced gearboxes. Gear ratios were tuned for fuel efficiency and comfort rather than outright performance. Compared to potential manual transmission versions (not offered in the US market), the automatic resulted in a slight performance deficit. The suspension was tuned for a comfortable ride, absorbing bumps and imperfections in the road well, but at the expense of sharp handling.
Equipment & Trim Levels
The XG 3.5 i came standard with a fairly comprehensive list of features for its price point. Standard equipment included air conditioning, power windows and locks, a CD player, and alloy wheels. Higher trim levels added features such as leather upholstery, a sunroof, upgraded audio systems, and automatic climate control. The interior design was generally considered to be well-executed, with a focus on comfort and ergonomics. The materials used were of decent quality, though not quite on par with some of the more established luxury brands.
Chassis & Braking
The XG 3.5 i utilized a front-wheel-drive layout with an independent double wishbone suspension in the front and a coil spring suspension in the rear. The front brakes were ventilated discs, while the rear brakes were solid discs. Anti-lock Braking System (ABS) was standard. The chassis was designed to provide a comfortable ride and stable handling. The steering was hydraulic power-assisted rack and pinion, offering reasonable feedback and ease of use. The suspension tuning prioritized ride comfort over sporty handling, resulting in a slightly softer and more forgiving ride.
Market Reception & Comparison
The Hyundai XG 3.5 i was generally well-received by automotive critics. It was praised for its spacious interior, comfortable ride, and generous standard features. However, it was also criticized for its somewhat bland styling, the lack of a manual transmission option, and the four-speed automatic transmission. Compared to competitors like the Toyota Camry, Honda Accord, and Nissan Maxima, the XG offered a similar level of features and performance at a lower price point. Fuel economy was average for the class, with combined figures around 19.6 US mpg. Reliability was generally good, though not exceptional.
Legacy
The Hyundai XG 3.5 i represented a turning point for Hyundai, demonstrating the company’s ability to produce a competitive mid-size sedan. While not a runaway success, it helped to raise Hyundai’s brand image and pave the way for future models. Today, the XG 3.5 i is a relatively affordable used car. The Sigma V6 engine is generally considered to be reliable, though regular maintenance is essential. Common issues include oil leaks and occasional sensor failures. Parts availability is generally good, but some components may be becoming increasingly difficult to find. The XG 3.5 i remains a comfortable and practical option for those seeking an affordable and reliable mid-size sedan.
