The Hyundai Sonata II (Y2), specifically the 2.4-liter variant with an automatic transmission, was produced between 1989 and 1991. This model represented a significant step forward for Hyundai in the mid-size sedan segment, particularly as the company aimed to establish a stronger foothold in international markets. The Y2 generation Sonata was a crucial part of Hyundai’s strategy to move beyond basic, economy-focused vehicles and offer a more refined and feature-rich option. This 2.4L automatic configuration occupied a mid-range position within the Sonata II lineup, offering a balance between performance and affordability, appealing to buyers seeking a comfortable and practical family sedan.
Technical Specifications
| Brand | Hyundai |
| Model | Sonata |
| Generation | Sonata II (Y2) |
| Type (Engine) | 2.4 (114 Hp) Automatic |
| Start of production | 1989 |
| End of production | 1991 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (combined) | 9.4 l/100 km (25 US mpg, 30.1 UK mpg, 10.6 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Maximum speed | 190 km/h (118.06 mph) |
| Weight-to-power ratio | 11.1 kg/Hp, 90.5 Hp/tonne |
| Weight-to-torque ratio | 6.7 kg/Nm, 150 Nm/tonne |
| Power | 114 Hp @ 4500 rpm |
| Power per litre | 48.5 Hp/l |
| Torque | 189 Nm @ 3500 rpm (139.4 lb.-ft. @ 3500 rpm) |
| Engine layout | Front, Transverse |
| Engine displacement | 2351 cm3 (143.47 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 86.5 mm (3.41 in.) |
| Piston Stroke | 100 mm (3.94 in.) |
| Compression ratio | 8.6:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Kerb Weight | 1260 kg (2777.82 lbs.) |
| Trunk (boot) space – minimum | 473 l (16.7 cu. ft.) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Length | 4680 mm (184.25 in.) |
| Width | 1750 mm (68.9 in.) |
| Height | 1410 mm (55.51 in.) |
| Wheelbase | 2650 mm (104.33 in.) |
| Front track | 1461 mm (57.52 in.) |
| Rear (Back) track | 1440 mm (56.69 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 | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 185/70 R14 |
| Wheel rims size | 14 |
Powertrain & Engine Architecture
The heart of the Sonata II 2.4 Automatic is the Mitsubishi-sourced 4G64 inline-four cylinder engine. Displacing 2.4 liters (2351 cc), this engine produced 114 horsepower at 4500 rpm and 189 Nm (139.4 lb-ft) of torque at 3500 rpm. It featured a multi-port fuel injection system, a relatively advanced feature for its time, contributing to improved fuel efficiency and smoother operation compared to carbureted engines. The engine utilized a double overhead camshaft (DOHC) valvetrain with two valves per cylinder, enhancing breathing and overall performance. The four-speed automatic transmission, while not particularly sophisticated by modern standards, provided convenient shifting and was well-suited to the engine’s power characteristics. This transmission was designed for smooth, comfortable cruising rather than sporty acceleration.
Driving Characteristics
The 2.4-liter automatic Sonata II offered a comfortable and predictable driving experience. Acceleration was adequate for everyday driving, but it wasn’t a particularly quick car. The automatic transmission, with its relatively wide gear ratios, prioritized fuel economy and smooth shifts over rapid acceleration. Compared to the manual transmission versions of the Sonata II, the automatic offered less driver engagement but greater ease of use, especially in city traffic. Against higher-output trims, the 2.4 automatic lacked the punch needed for spirited driving, but it provided a more relaxed and refined experience. The power delivery was linear, making it easy to modulate the throttle and maintain control.
Equipment & Trim Levels
The 2.4-liter automatic Sonata II typically came equipped with a reasonable level of standard features for its price point. These included power steering, a basic audio system, cloth upholstery, and manual windows and locks. Air conditioning was often included, but sometimes offered as an optional extra. Higher trim levels, if available, might have added features like upgraded audio systems, power windows and locks, and a sunroof. The interior design was functional and straightforward, prioritizing practicality over luxury. The dashboard layout was simple and easy to navigate, with clearly labeled controls.
Chassis & Braking
The Sonata II utilized a front-wheel-drive layout with an independent McPherson strut suspension in the front and a coil spring suspension in the rear. This setup provided a comfortable ride quality, absorbing bumps and irregularities in the road surface effectively. The front brakes were ventilated discs, offering good stopping power, while the rear brakes were drums, a cost-saving measure common in vehicles of this era. An anti-lock braking system (ABS) was available, enhancing safety by preventing wheel lockup during hard braking. The steering was rack and pinion, providing precise and responsive handling.
Market Reception & Comparison
The Hyundai Sonata II 2.4 Automatic was generally well-received by critics as a solid and reliable family sedan. It offered a good value proposition, providing a reasonable level of features and comfort at a competitive price. Fuel economy was considered acceptable for its class, averaging around 25 mpg in combined driving. Compared to other trims in the Sonata II lineup, the 2.4 automatic offered a balance between performance and affordability. The manual transmission versions were favored by drivers seeking a more engaging driving experience, while higher-output engines provided more power but at a higher cost. Reliability was a key strength of the Sonata II, contributing to its positive reputation in the used car market.
Legacy
The Hyundai Sonata II 2.4 Automatic, while not a performance icon, played a significant role in establishing Hyundai as a credible automotive manufacturer. The 4G64 engine proved to be a durable and reliable powerplant, and many examples are still on the road today. In the used car market, these Sonatas are often sought after for their affordability and simplicity. While maintenance costs are generally low, finding replacement parts can sometimes be a challenge due to the vehicle’s age. The Sonata II 2.4 Automatic represents a pivotal moment in Hyundai’s history, demonstrating the company’s commitment to building quality and reliable vehicles.



