The Volvo S40 II 1.8i 16V, produced between 2004 and 2007, represented a key entry point into the second generation of Volvo’s compact sedan. Part of the 1HX0 chassis series, shared with the Mazda 3, this variant aimed to balance affordability with Volvo’s established reputation for safety and Scandinavian design. Positioned as the base model in many markets, the 1.8i offered a more accessible price point compared to the higher-trim 2.0 and T5 turbocharged options. It was primarily sold in Europe and other international markets, offering a practical and relatively fuel-efficient option within the premium compact segment.
Technical Specifications
| Brand | Volvo |
| Model | S40 |
| Generation | S40 II |
| Type (Engine) | 1.8 i 16V (125 Hp) |
| Start of production | 2004 |
| End of production | 2007 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 9.8 l/100 km (24 US mpg) |
| Fuel consumption (extra urban) | 5.7 l/100 km (41.3 US mpg) |
| Fuel consumption (combined) | 7.3 l/100 km (32.2 US mpg) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.9 sec |
| Acceleration 0 – 62 mph | 10.9 sec |
| Acceleration 0 – 60 mph | 10.4 sec |
| Maximum speed | 200 km/h (124.27 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 10.4 kg/Hp |
| Weight-to-torque ratio | 7.8 kg/Nm |
| Power | 125 Hp @ 6000 rpm |
| Torque | 165 Nm @ 4000 rpm (121.7 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B4184S11 |
| Engine displacement | 1798 cm3 (109.72 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 83.1 mm (3.27 in.) |
| Compression ratio | 10.8:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated |
| Valvetrain | DOHC |
| Engine oil capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Coolant capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Kerb Weight | 1295 kg (2854.99 lbs.) |
| Max. weight | 1850 kg (4078.55 lbs.) |
| Max load | 555 kg (1223.57 lbs.) |
| Trunk (boot) space – minimum | 404 l (14.27 cu. ft.) |
| Trunk (boot) space – maximum | 883 l (31.18 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Length | 4476 mm (176.22 in.) |
| Width | 1770 mm (69.69 in.) |
| Height | 1454 mm (57.24 in.) |
| Wheelbase | 2640 mm (103.94 in.) |
| Front track | 1535 mm (60.43 in.) |
| Rear track | 1531 mm (60.28 in.) |
| Minimum turning circle | 11.1 m (36.42 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Transverse stabilizer |
| Rear suspension | Transverse stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic |
| Tires size | 195/65 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of the S40 II 1.8i 16V is the Volvo B4184S11 engine, a 1.8-liter inline-four cylinder powerplant. This engine, part of Volvo’s modular engine family, features a cast iron block and an aluminum cylinder head. The “16V” designation indicates the engine’s four valves per cylinder, contributing to improved breathing and power output. Fuel delivery is managed by a multi-port fuel injection system, providing precise fuel metering for optimal combustion. The engine utilizes a double overhead camshaft (DOHC) valvetrain, further enhancing its volumetric efficiency. The 1.8L engine produced 125 horsepower at 6000 rpm and 165 Nm (121.7 lb-ft) of torque at 4000 rpm. This engine was paired with a 5-speed manual transmission as standard, offering a relatively direct and engaging driving experience. While an automatic transmission was available, it was often criticized for its sluggish shifts and impact on fuel economy.
Driving Characteristics
The 1.8i 16V offered a comfortable, if not particularly sporty, driving experience. Acceleration from 0-60 mph took around 10.4 seconds, making it adequate for everyday driving but noticeably slower than the more powerful 2.0 and T5 models. The 5-speed manual transmission allowed drivers to make the most of the engine’s powerband, while the optional automatic, though convenient, diminished performance. The suspension, tuned for comfort, provided a smooth ride over most road surfaces. Steering was light and precise, making the S40 easy to maneuver in urban environments. Compared to the turbocharged T5, the 1.8i lacked the punch and responsiveness that enthusiasts craved, but it offered a more relaxed and fuel-efficient driving experience.
Equipment & Trim Levels
The S40 II 1.8i 16V typically came equipped with a respectable level of standard features. These included power windows, power locks, air conditioning, and an audio system. Interior upholstery was typically cloth, with options for leather available at an extra cost. Higher trim levels added features such as alloy wheels, a sunroof, and upgraded audio systems. Safety features, a hallmark of Volvo, were comprehensive, including ABS brakes, airbags, and side impact protection. Optional extras included a navigation system, heated seats, and a premium sound system.
Chassis & Braking
The S40 II utilized a MacPherson strut front suspension and a multi-link rear suspension, providing a good balance of ride comfort and handling. The front brakes were ventilated discs, offering strong stopping power, while the rear brakes were solid discs. The chassis was designed to be lightweight, contributing to the car’s overall efficiency. A transverse stabilizer bar was fitted to both the front and rear suspension, reducing body roll during cornering. The steering system was a rack and pinion setup with hydraulic power assistance, providing precise and responsive steering feel.
Market Reception & Comparison
The S40 II 1.8i 16V was generally well-received by critics as a practical and affordable entry-level luxury sedan. It was praised for its safety features, comfortable ride, and fuel efficiency. However, some reviewers criticized its relatively modest performance and the lackluster performance of the optional automatic transmission. Compared to the 2.0 and T5 models, the 1.8i offered a lower price point but sacrificed performance. Fuel economy was a strong point, with combined figures around 32.2 US mpg, making it a competitive option in its class. Reliability was generally good, although some owners reported minor issues with the electronic systems.
Legacy
The Volvo S40 II 1.8i 16V remains a relatively affordable and reliable used car option today. The B4184S11 engine is known for its durability, and parts availability is generally good. While not a performance standout, the 1.8i offers a comfortable and safe driving experience, making it a suitable choice for commuters and families. Its relatively simple mechanical design makes it easier and less expensive to maintain compared to more complex modern vehicles. The S40 II, in general, helped solidify Volvo’s reputation for building safe, reliable, and well-designed vehicles, and the 1.8i variant played a significant role in making the brand accessible to a wider range of buyers.
