The Volvo S80 II facelift, specifically the 2.5 T variant producing 231 horsepower, was a key model in Volvo’s lineup from 2009 to 2011. Positioned as a mid-range offering within the second-generation S80 (platform designation P24), it aimed to balance performance with relative fuel efficiency and a comfortable driving experience. This iteration of the S80 represented a significant refresh of the original P24, introducing revised styling cues, updated technology, and refined engine options. The 2.5 T served as a popular choice for buyers seeking a step up from the base models without the higher price tag and sportier focus of the flagship trims.
Technical Specifications
| Brand | Volvo |
| Model | S80 |
| Generation | S80 II (facelift 2009) |
| Type (Engine) | 2.5 T (231 Hp) |
| Start of production | 2009 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 12.5-12.8 l/100 km (18.8 – 18.4 US mpg, 22.6 – 22.1 UK mpg, 8 – 7.8 km/l) |
| Fuel consumption (extra urban) | 6.3-6.5 l/100 km (37.3 – 36.2 US mpg, 44.8 – 43.5 UK mpg, 15.9 – 15.4 km/l) |
| Fuel consumption (combined) | 8.6-8.8 l/100 km (27.4 – 26.7 US mpg, 32.8 – 32.1 UK mpg, 11.6 – 11.4 km/l) |
| CO2 emissions | 206 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.3 sec |
| Acceleration 0 – 62 mph | 7.3 sec |
| Acceleration 0 – 60 mph | 6.9 sec |
| Maximum speed | 240 km/h (149.13 mph) |
| Power | 231 Hp @ 4800 rpm |
| Torque | 340 Nm @ 1700-4800 rpm (250.77 lb.-ft. @ 1700-4800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | B5254T10 |
| Engine displacement | 2521 cm3 (153.84 cu. in.) |
| Number of cylinders | 5 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 93.2 mm (3.67 in.) |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Coolant | 8.9 l (9.4 US qt | 7.83 UK qt) |
| Kerb Weight | 1626 kg (3584.72 lbs.) |
| Max. weight | 2150 kg (4739.94 lbs.) |
| Max load | 524 kg (1155.22 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4851 mm (190.98 in.) |
| Width | 1861 mm (73.27 in.) |
| Width including mirrors | 2106 mm (82.91 in.) |
| Height | 1493 mm (58.78 in.) |
| Wheelbase | 2835 mm (111.61 in.) |
| Front track | 1588 mm (62.52 in.) |
| Rear track | 1585 mm (62.4 in.) |
| 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 |
| Rear brakes | Disc |
| Drive wheel | Front wheel drive |
| Number of gears | 6 gears, manual transmission |
Powertrain & Engine Architecture
The heart of the S80 2.5 T is the Volvo B5254T10 engine, a 2.5-liter inline-five cylinder gasoline engine. This engine is a descendant of Volvo’s long-running white block engine family, known for its robustness and relatively simple design. The ‘T’ designation indicates the presence of a turbocharger and intercooler, significantly boosting power output. The B5254T10 utilizes multi-port fuel injection and a double overhead camshaft (DOHC) valvetrain, contributing to efficient combustion and power delivery. The engine’s turbocharger provides a noticeable increase in torque, particularly at lower RPMs, making it responsive in everyday driving situations. The 6-speed manual transmission was standard, offering drivers precise control over the engine’s power.
Driving Characteristics
The 231 hp and 340 Nm (250 lb-ft) of torque provided by the 2.5 T engine delivered a respectable level of performance. Acceleration from 0 to 60 mph took approximately 6.9 seconds, making it reasonably quick for a mid-size luxury sedan of its era. The turbocharger provided a noticeable surge of power, but it wasn’t overly aggressive, resulting in a smooth and predictable driving experience. Compared to the higher-output T6 variant with its 3.0-liter inline-six, the 2.5 T offered a more balanced driving experience, prioritizing fuel economy and ease of use over outright performance. The manual transmission, while engaging, had a slightly longer throw compared to some competitors, but it was still precise and enjoyable to use.
Equipment & Trim Levels
The S80 2.5 T typically came well-equipped, reflecting Volvo’s reputation for safety and comfort. Standard features included leather upholstery, automatic climate control, a premium audio system, and a suite of safety features such as ABS, traction control, and multiple airbags. Optional extras included a navigation system, sunroof, and upgraded interior trim options. The interior design was characterized by its clean Scandinavian aesthetic, with a focus on functionality and user-friendliness. The dashboard layout was straightforward and intuitive, with logically placed controls.
Chassis & Braking
The S80 II utilized an independent suspension system, with McPherson struts at the front and a multi-link setup at the rear. This configuration provided a comfortable ride quality, effectively absorbing bumps and irregularities in the road surface. The front brakes were ventilated discs, while the rear brakes were solid discs, providing adequate stopping power for the vehicle’s weight and performance. The steering was power-assisted, offering a light and responsive feel. The chassis was designed to prioritize stability and comfort, rather than outright sportiness.
Market Reception & Comparison
The Volvo S80 2.5 T was generally well-received by automotive critics. It was praised for its comfortable ride, spacious interior, and strong safety credentials. However, some critics noted that its styling was somewhat conservative compared to its rivals. In terms of fuel economy, the 2.5 T offered a reasonable compromise between performance and efficiency, achieving around 27 mpg in combined driving. Compared to the T6 variant, the 2.5 T was more affordable and fuel-efficient, making it a more practical choice for many buyers. Reliability was generally good, although some owners reported minor issues with the electronic systems.
Legacy
The Volvo S80 2.5 T remains a relatively common sight on used car lots today. The B5254T10 engine is known for its durability, and with proper maintenance, it can provide many years of reliable service. While it may not offer the same level of performance or technology as more modern vehicles, the S80 2.5 T still represents a comfortable, safe, and well-equipped luxury sedan. Its blend of Scandinavian design, robust engineering, and reasonable running costs makes it an appealing option for buyers seeking a classic Volvo experience.
