The Hyundai Tucson IV 2.5 Smartstream with HTRAC all-wheel drive and an eight-speed automatic transmission represents a significant offering in the fourth generation of Hyundai’s popular compact SUV. Introduced in November 2020 and continuing through the 2024 model year, this variant occupied a key position in the Tucson lineup, serving as a strong mid-range option balancing performance, fuel efficiency, and available features. It was primarily marketed towards North American consumers seeking a versatile and well-equipped family vehicle. The Tucson IV, built on the N3 platform, marked a substantial leap forward in design, technology, and overall refinement compared to its predecessor.
Technical Specifications
| Brand | Hyundai |
| Model | Tucson |
| Generation | Tucson IV |
| Type (Engine) | 2.5 Smartstream (187 Hp) HTRAC AWD Automatic |
| Start of production | November, 2020 |
| End of production | March, 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Power | 187 Hp @ 6100 rpm |
| Power per litre | 74.9 Hp/l |
| Torque | 241 Nm @ 4000 rpm / 177.75 lb.-ft. @ 4000 rpm |
| Engine layout | Front, Transverse |
| Engine Model/Code | Smartstream / G4KN |
| Engine displacement | 2497 cm3 / 152.38 cu. in. |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Compression ratio | 13:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection and Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC, CVVT |
| Engine oil capacity | 5.8 l / 6.13 US qt | 5.1 UK qt |
| Coolant | 8.58 l / 9.07 US qt | 7.55 UK qt |
| Trunk (boot) space – minimum | 1096 l / 38.7 cu. ft. |
| Trunk (boot) space – maximum | 2090 l / 73.81 cu. ft. |
| Fuel tank capacity | 54 l / 14.27 US gal | 11.88 UK gal |
| Max. roof load | 100 kg / 220.46 lbs. |
| Permitted trailer load with brakes (12%) | 907 kg / 1999.59 lbs. |
| Permitted trailer load without brakes | 748 kg / 1649.06 lbs. |
| Length | 4630 mm / 182.28 in. |
| Width | 1864 mm / 73.39 in. |
| Height | 1666 mm / 65.59 in. |
| Wheelbase | 2756 mm / 108.5 in. |
| Front track | 1615-1621 mm / 63.58 – 63.82 in. |
| Rear (Back) track | 1623-1628 mm / 63.9 – 64.09 in. |
| Front overhang | 894 mm / 35.2 in. |
| Rear overhang | 980 mm / 38.58 in. |
| Ride height (ground clearance) | 211 mm / 8.31 in. |
| Drag coefficient (Cd) | 0.33 |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels permanently, and the rear wheels are driven through an electrically or mechanically operated clutch if necessary. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 8 gears, automatic transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs, 325 mm |
| Rear brakes | Disc, 300 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Wheel rims size | 17; 19 |
Powertrain & Engine Architecture
At the heart of the Tucson IV 2.5 Smartstream AWD is the G4KN engine, a 2.5-liter naturally aspirated inline-four cylinder. This engine is part of Hyundai’s Smartstream family, designed for improved fuel efficiency and reduced emissions. It utilizes a combination of direct injection and multi-port fuel injection, optimizing combustion under various driving conditions. The engine features a dual continuously variable valve timing (CVVT) system, further enhancing efficiency and responsiveness. The 13:1 compression ratio contributes to the engine’s power output. Paired with this engine is an eight-speed automatic transmission, replacing the six-speed unit found in earlier Tucson models. This transmission provides smoother shifts and a wider gear ratio spread, improving both acceleration and highway cruising. The HTRAC all-wheel-drive system is an on-demand system, primarily driving the front wheels but seamlessly engaging the rear wheels when traction is needed.
Driving Characteristics
The 187 horsepower and 177.75 lb-ft of torque delivered by the 2.5-liter engine and eight-speed automatic provide adequate, though not exhilarating, performance. Acceleration from 0 to 60 mph typically takes around 8.5 to 9 seconds. Compared to the more powerful turbocharged engines offered in the Tucson IV lineup, this variant prioritizes smooth, predictable power delivery over outright speed. The eight-speed automatic transmission is well-tuned, offering quick and seamless shifts. The HTRAC all-wheel-drive system provides enhanced stability and traction in various weather conditions, making it a confident performer in snow or rain. The gear ratios are optimized for everyday driving, with a focus on fuel economy at highway speeds. While not a sporty vehicle, the 2.5L Tucson offers a comfortable and composed driving experience.
Equipment & Trim Levels
The 2.5 Smartstream AWD trim typically included a generous array of standard features. These commonly included an 8-inch touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, a suite of advanced driver-assistance systems (ADAS) such as lane keeping assist, forward collision avoidance assist, and adaptive cruise control, and comfortable cloth upholstery. Higher trim levels within the 2.5 Smartstream range offered upgrades such as leather seats, a larger touchscreen display (up to 10.25 inches), a premium sound system, and a panoramic sunroof. Optional extras often included a hands-free smart liftgate, heated and ventilated front seats, and a digital key.
Chassis & Braking
The Tucson IV utilizes a fully independent suspension system, with a McPherson strut setup at the front and a multi-link setup at the rear. This configuration provides a comfortable ride and good handling characteristics. Stabilizer bars are included at both ends to reduce body roll during cornering. Braking duties are handled by ventilated discs at the front and solid discs at the rear. The ABS (Anti-lock Braking System) is standard, along with electronic stability control and traction control. The steering is an electric power-assisted rack and pinion system, providing light and precise steering feel.
Market Reception & Comparison
The Hyundai Tucson IV 2.5 Smartstream AWD was generally well-received by automotive critics. It was praised for its spacious interior, comfortable ride, and comprehensive suite of standard features. Fuel economy was considered competitive for its class, averaging around 26 mpg combined. Compared to the turbocharged versions of the Tucson, the 2.5-liter engine offered a more affordable entry point and a simpler, potentially more reliable powertrain. However, some reviewers noted that the engine could feel underpowered when fully loaded or when tackling steep hills. Compared to rivals like the Honda CR-V and Toyota RAV4, the Tucson offered a compelling value proposition with its longer warranty and generous feature set.
Legacy
The Hyundai Tucson IV 2.5 Smartstream AWD has proven to be a reliable and durable vehicle in the used car market. The Smartstream engine, while not known for exceptional performance, has demonstrated good long-term reliability. The eight-speed automatic transmission has also proven to be robust. Common maintenance items include routine oil changes, brake pad replacements, and tire rotations. The HTRAC all-wheel-drive system requires periodic inspection and fluid changes. As of 2024, well-maintained examples of this Tucson variant continue to hold their value and remain a popular choice for buyers seeking a practical and affordable compact SUV.
