The Hyundai Sonata VIII (DN8), particularly the facelifted version introduced in March 2023, represents a significant evolution in Hyundai’s mid-size sedan offering. The G2.0 variant, equipped with a 2.0-liter naturally aspirated engine producing 160 horsepower and paired with a 6-speed automatic transmission, occupies a key position in the Sonata lineup as a balance between affordability, fuel efficiency, and everyday usability. This model caters to buyers seeking a comfortable and well-equipped sedan without the added cost of turbocharged engines or more premium trim levels. It builds upon the foundation of the DN8 platform, which aimed to deliver a more sophisticated and engaging driving experience compared to its predecessors.
Technical Specifications
| Brand | Hyundai |
| Model | Sonata |
| Generation | Sonata VIII (DN8, facelift 2023) |
| Type (Engine) | G2.0 (160 Hp) Automatic |
| Start of production | March, 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8.9-9.5 l/100 km (26.4 – 24.8 US mpg) |
| Fuel consumption (extra urban) | 6.7-7.3 l/100 km (35.1 – 32.2 US mpg) |
| Fuel consumption (combined) | 7.9-8.5 l/100 km (29.8 – 27.7 US mpg) |
| CO2 emissions | 132-142 g/km |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 9.2 kg/Hp, 108.5 Hp/tonne |
| Weight-to-torque ratio | 7.5 kg/Nm, 132.9 Nm/tonne |
| Power | 160 Hp @ 6500 rpm |
| Power per litre | 80 Hp/l |
| Torque | 196 Nm @ 4800 rpm (144.56 lb.-ft. @ 4800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | Smartstream |
| Engine displacement | 1999 cm3 (121.99 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| 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 | 1475-1525 kg (3251.82 – 3362.05 lbs.) |
| Trunk (boot) space | 480 l (16.95 cu. ft.) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Length | 4910 mm (193.31 in.) |
| Width | 1860 mm (73.23 in.) |
| Height | 1445 mm (56.89 in.) |
| Wheelbase | 2840 mm (111.81 in.) |
| Front track | 1610-1623 mm (63.39 – 63.9 in.) |
| Rear track | 1617-1630 mm (63.66 – 64.17 in.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 6 |
| Gearbox type | Automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Tires size | 215/55 R17; 235/45 R18; 245/40 R19 |
| Wheel rims size | 7J x 17; 7.5J x 18; 8J x 19 |
Powertrain & Engine Architecture
The heart of the Sonata G2.0 is Hyundai’s Smartstream 2.0-liter inline-four cylinder engine. This engine utilizes a multi-port fuel injection (MPI) system, a design choice prioritizing cost-effectiveness and smooth operation over the more complex direct injection systems found in some competitors. The engine features a dual continuously variable valve timing (CVVT) system, optimizing valve timing for improved fuel efficiency and power delivery across the rev range. The 6-speed automatic transmission is a conventional torque-converter type, chosen for its smoothness and reliability. While not offering the lightning-fast shifts of a dual-clutch transmission, it provides a comfortable and predictable driving experience. The transmission is tuned for fuel economy, with relatively tall gear ratios designed to keep engine speeds low during highway cruising.
Driving Characteristics
The 160 horsepower and 196 Nm (144.56 lb-ft) of torque produced by the G2.0 powertrain deliver adequate performance for everyday driving. Acceleration is not particularly brisk, with 0-60 mph times estimated around 9-10 seconds. However, the engine provides sufficient power for merging onto highways and passing slower traffic. The automatic transmission generally shifts smoothly, although it can sometimes feel hesitant during quick acceleration. Compared to the turbocharged 1.6T or 2.5T Sonata variants, the G2.0 feels noticeably less powerful. However, it offers a more linear power delivery and a less stressed engine, potentially contributing to long-term reliability. The focus is on providing a comfortable and refined driving experience rather than outright performance.
Equipment & Trim Levels
The G2.0 trim typically serves as the entry point to the Sonata range, but even in its base form, it comes reasonably well-equipped. Standard features generally include air conditioning, power windows and locks, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, and a suite of safety features such as forward collision avoidance assist, lane keeping assist, and driver attention warning. Higher sub-trims within the G2.0 range often add features like heated seats, a sunroof, upgraded audio systems, and leather upholstery. Optional extras could include navigation, adaptive cruise control, and a premium sound system.
Chassis & Braking
The Sonata DN8 utilizes a front-wheel-drive platform with a MacPherson strut front suspension and a multi-link rear suspension. The suspension is tuned for comfort, providing a smooth ride over most road surfaces. The G2.0 variant typically features ventilated front disc brakes and solid rear disc brakes. The braking system is adequate for everyday driving, but it doesn’t offer the same stopping power as the larger brakes found on the higher-performance Sonata models. Electric power steering provides light and easy steering feel, making it easy to maneuver in city traffic.
Market Reception & Comparison
The Sonata G2.0 was generally well-received by critics as a practical and affordable mid-size sedan. Its fuel economy was a particular strength, with combined fuel economy figures ranging from 29.8 to 27.7 US mpg. Compared to other naturally aspirated mid-size sedans, such as the Toyota Camry LE or Honda Accord LX, the Sonata G2.0 offered a comparable level of fuel efficiency and features at a competitive price point. However, some reviewers noted that the engine lacked the punch of the turbocharged engines offered in competing models. Reliability ratings for the Smartstream engine have been generally positive, although long-term data is still being collected.
Legacy
The Hyundai Sonata G2.0 (DN8, facelift 2023) represents a solid and dependable choice in the used car market. Its relatively simple powertrain, combined with Hyundai’s reputation for reliability, suggests that it should offer years of trouble-free service with proper maintenance. The availability of affordable parts and a widespread dealer network further enhance its appeal. While it may not be the most exciting or powerful mid-size sedan available, the G2.0 provides a comfortable, fuel-efficient, and well-equipped option for buyers seeking a practical and reliable vehicle.
