The Hyundai Grandeur, known as the Azera in some markets including the United States, represents Hyundai’s flagship sedan. The seventh generation, designated GN7, was introduced in November 2022. Within the GN7 lineup, the 3.5 GDi V6 with an 8-speed automatic transmission represents the top-tier performance option, positioned above the 2.5-liter naturally aspirated and turbocharged variants. This model aims to deliver a refined and powerful driving experience, emphasizing luxury and technology within Hyundai’s sedan range.
Technical Specifications
| Brand | Hyundai |
| Model | Grandeur/Azera |
| Generation | Grandeur/Azera VII (GN7) |
| Type (Engine) | 3.5 GDi V6 (300 Hp) Automatic |
| Start of production | November, 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 11.5-12 l/100 km (20.5 – 19.6 US mpg) |
| Fuel consumption (extra urban) | 7.5-8.2 l/100 km (31.4 – 28.7 US mpg) |
| Fuel consumption (combined) | 9.6-10.3 l/100 km (24.5 – 22.8 US mpg) |
| CO2 emissions | 163-176 g/km |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 5.7 kg/Hp, 177 Hp/tonne |
| Weight-to-torque ratio | 4.7 kg/Nm, 211.8 Nm/tonne |
| Power | 300 Hp @ 6400 rpm |
| Power per litre | 86.5 Hp/l |
| Torque | 359 Nm @ 5000 rpm (264.78 lb.-ft. @ 5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | Smartstream |
| Engine displacement | 3470 cm3 (211.75 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine oil capacity | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Coolant capacity | 9.5 l (10.04 US qt | 8.36 UK qt) |
| Kerb Weight | 1695-1730 kg (3736.84 – 3814 lbs.) |
| Trunk (boot) space | 480 l (16.95 cu. ft.) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Length | 5035 mm (198.23 in.) |
| Width | 1880 mm (74.02 in.) |
| Height | 1460 mm (57.48 in.) |
| Wheelbase | 2895 mm (113.98 in.) |
| Front track | 1624-1628 mm (63.94 – 64.09 in.) |
| Rear track | 1631-1635 mm (64.21 – 64.37 in.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 8 |
| Gearbox type | Automatic transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R18 98W; 245/45 R19 98W; 245/40 R20 99W |
| Wheel rims size | 18; 19; 20 |
Powertrain & Engine Architecture
The heart of the Grandeur 3.5 GDi is Hyundai’s Smartstream engine family. This 3.5-liter, naturally aspirated V6 engine (designated as a G6DMA) utilizes direct injection (GDi) technology to optimize fuel delivery and combustion efficiency. The engine produces 300 horsepower at 6,400 rpm and 359 Nm (264.78 lb-ft) of torque at 5,000 rpm. The Smartstream engine incorporates a dual-port fuel injection system, combining direct injection with port injection for improved cold-start performance and reduced particulate matter emissions. The engine features a DOHC (Dual Overhead Camshaft) valvetrain with four valves per cylinder. Paired with the engine is a smooth-shifting 8-speed automatic transmission, designed to provide responsive acceleration and efficient cruising. This transmission is a Hyundai-developed unit, offering adaptive shift logic based on driving conditions.
Driving Characteristics
The 3.5 GDi V6 delivers a noticeably more spirited driving experience compared to the base 2.5-liter engine options. Acceleration is brisk and effortless, making highway merging and overtaking maneuvers easy. The 8-speed automatic transmission is well-tuned, providing smooth and timely gear changes. While not a sports sedan, the Grandeur 3.5 GDi offers a comfortable and refined ride, with the suspension effectively absorbing road imperfections. The front-wheel-drive configuration provides predictable handling, although it doesn’t offer the dynamic capabilities of an all-wheel-drive system. The gear ratios are optimized for both acceleration and fuel efficiency, with a relatively tall final drive contributing to relaxed highway cruising.
Equipment & Trim Levels
The 3.5 GDi V6 typically comes equipped with Hyundai’s highest trim levels, such as the “Calligraphy” or equivalent in different markets. Standard features generally include leather upholstery, heated and ventilated front seats, a large touchscreen infotainment system with navigation, a premium sound system, a panoramic sunroof, and a suite of advanced driver-assistance systems (ADAS) including adaptive cruise control, lane keeping assist, and blind-spot monitoring. Optional extras often include Nappa leather, a head-up display, and a more sophisticated sound system. Interior trim options typically include wood or metal accents, enhancing the luxurious feel of the cabin.
Chassis & Braking
The GN7 Grandeur utilizes a front-wheel-drive platform with an independent McPherson strut suspension in the front and an independent multi-link suspension in the rear. This suspension setup is tuned for comfort and stability. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock Braking System (ABS) is standard, along with Electronic Stability Control (ESC) and Traction Control System (TCS). Steering is provided by an electric power steering system, offering a light and precise feel. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Grandeur 3.5 GDi V6 has been generally well-received by automotive critics, praised for its smooth engine, comfortable ride, and luxurious interior. Compared to the 2.5-liter variants, the 3.5 GDi offers a significant performance upgrade, but at the cost of slightly lower fuel economy. Against competitors like the Toyota Avalon or Buick LaCrosse (where available), the Grandeur 3.5 GDi offers a compelling combination of value, features, and performance. Some reviewers have noted that the front-wheel-drive configuration limits its overall driving dynamics compared to rear-wheel-drive competitors. Fuel economy figures, while respectable, are not class-leading, reflecting the larger engine displacement.
Legacy
The Smartstream 3.5 GDi V6 engine, while relatively new, is expected to offer good long-term reliability based on Hyundai’s recent track record. The 8-speed automatic transmission has also proven to be durable in other Hyundai and Kia models. The GN7 Grandeur, as a whole, represents a significant step forward in terms of design, technology, and refinement for Hyundai. In the used car market, the 3.5 GDi V6 variant is likely to hold its value well due to its higher performance and premium features. Regular maintenance, including timely oil changes and fluid checks, will be crucial to ensuring the longevity of this powertrain.
