The Hyundai Grandeur/Azera VII (GN7) 3.5 V6 LPG Automatic, launched in November 2022, represents a significant iteration of Hyundai’s flagship sedan. Positioned as a premium offering within the GN7 generation, this variant caters to buyers seeking a blend of luxury, performance, and alternative fuel efficiency. The Grandeur, known as the Azera in some markets including the United States, occupies a crucial space in Hyundai’s lineup, bridging the gap between mainstream sedans and more expensive luxury brands. This particular configuration, utilizing a 3.5-liter V6 engine paired with an eight-speed automatic transmission and optimized for Liquefied Petroleum Gas (LPG) operation, is primarily targeted towards markets where LPG infrastructure is well-established and government incentives favor alternative fuels.
Technical Specifications
| Brand | Hyundai |
| Model | Grandeur/Azera |
| Generation | Grandeur/Azera VII (GN7) |
| Type (Engine) | 3.5 V6 (240 Hp) LPG Automatic |
| Start of production | November, 2022 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 14.9-16.1 l/100 km (15.8 – 14.6 US mpg, 19 – 17.5 UK mpg, 6.7 – 6.2 km/l) |
| Fuel consumption (extra urban) | 10.4-11 l/100 km (22.6 – 21.4 US mpg, 27.2 – 25.7 UK mpg, 9.6 – 9.1 km/l) |
| Fuel consumption (combined) | 12.8-13.7 l/100 km (18.4 – 17.2 US mpg, 22.1 – 20.6 UK mpg, 7.8 – 7.3 km/l) |
| CO2 emissions | 170-183 g/km |
| Fuel Type | LPG |
| Weight-to-power ratio | 7.1 kg/Hp, 139.9 Hp/tonne |
| Weight-to-torque ratio | 5.5 kg/Nm, 182.5 Nm/tonne |
| Power | 240 Hp @ 6000 rpm |
| Power per litre | 69.2 Hp/l |
| Torque | 313 Nm @ 4500 rpm (230.86 lb.-ft. @ 4500 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 | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine systems | Start & Stop System |
| Kerb Weight | 1715-1750 kg (3780.93 – 3858.09 lbs.) |
| Trunk (boot) space | 320 l (11.3 cu. ft.) |
| Fuel tank capacity | 71 l (18.76 US gal | 15.62 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 | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | 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 |
| Assisting systems | ABS (Anti-lock braking system) |
| 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
At the heart of the GN7 3.5 V6 LPG is Hyundai’s Smartstream engine, a naturally aspirated 3.5-liter V6. This engine, designated as part of the Smartstream family, utilizes multi-port fuel injection and is specifically calibrated for optimal performance when running on LPG. The engine produces 240 horsepower at 6000 rpm and 313 Nm (230.86 lb-ft) of torque at 4500 rpm. The LPG conversion is factory-installed, ensuring compatibility and maintaining warranty coverage – a key differentiator from aftermarket conversions. The eight-speed automatic transmission, a common feature in modern Hyundai vehicles, is tuned to provide smooth shifts and efficient power delivery. The transmission’s gear ratios are optimized for both city driving and highway cruising, balancing responsiveness with fuel economy. The engine incorporates a Start & Stop System to further enhance fuel efficiency during standstill situations.
Driving Characteristics
The 3.5 V6 LPG Automatic Grandeur offers a comfortable and refined driving experience. While not overtly sporty, the engine provides ample power for everyday driving and confident overtaking maneuvers. Compared to potential turbocharged four-cylinder options, the V6 delivers a smoother, more linear power delivery. The eight-speed automatic transmission contributes to this smoothness, minimizing noticeable gear changes. However, it’s not as quick-shifting as some dual-clutch transmissions found in competitor vehicles. The LPG fuel system does result in a slight difference in engine sound and potentially a minor reduction in overall power compared to a gasoline-only version, though this is generally not noticeable during normal driving. The front-wheel-drive configuration provides predictable handling, and the suspension is tuned for comfort rather than aggressive cornering.
Equipment & Trim Levels
The GN7 3.5 V6 LPG Automatic typically comes well-equipped, reflecting its position as a premium trim level. Standard features generally include leather upholstery, a large touchscreen infotainment system with navigation, a premium sound system, automatic climate control, and a suite of advanced driver-assistance systems (ADAS) such as adaptive cruise control, lane-keeping assist, and automatic emergency braking. Optional extras often include a panoramic sunroof, ventilated front seats, and a head-up display. Interior trim levels vary depending on the specific market and package selected, with higher trims offering more luxurious materials and finishes.
Chassis & Braking
The Grandeur/Azera VII utilizes a front-engine, front-wheel-drive layout. The front suspension employs an independent McPherson strut design, while the rear features an independent multi-link suspension. This configuration provides a good balance of ride comfort and handling stability. Braking duties are handled by ventilated discs at the front and typically solid discs at the rear, with ABS (Anti-lock Braking System) as standard. The steering system is an electric rack-and-pinion setup, offering precise and responsive steering feel. Wheel sizes range from 18 to 20 inches, depending on the trim level, with tire sizes varying accordingly.
Market Reception & Comparison
The GN7 3.5 V6 LPG Automatic has been generally well-received in markets where LPG is a popular fuel source. Critics have praised its comfortable ride, spacious interior, and comprehensive feature set. Fuel economy, while not exceptional, is competitive for a V6-powered sedan, and the LPG fuel system offers potential cost savings in regions with lower LPG prices. Compared to other trims in the Grandeur/Azera lineup, such as the turbocharged four-cylinder models, the V6 LPG offers a more refined and relaxed driving experience, albeit with slightly higher fuel consumption. Reliability reports are still emerging for this specific variant, but Hyundai has a generally good reputation for build quality and dependability.
Legacy
The long-term reliability of the Smartstream V6 engine and the factory-installed LPG system remains to be fully assessed. However, Hyundai’s commitment to quality and its extensive warranty coverage provide some reassurance. In the used car market, the GN7 3.5 V6 LPG Automatic is likely to appeal to buyers seeking a comfortable, well-equipped, and fuel-efficient sedan with a proven powertrain. The availability of LPG infrastructure will be a key factor influencing its resale value and desirability. As LPG continues to gain traction as an alternative fuel, this variant could become increasingly sought after by environmentally conscious and budget-minded consumers.
