Peugeot 408 1.6 PHEV 180 Allure vs Audi A8 50 TDI quattro

Comparison winners

4 metrics
0-100 winner Audi A8 50 TDI quattro 5.6 s Runner-up: 8.5 s
Power winner Audi A8 50 TDI quattro 286 hp Runner-up: 180 hp
Cargo winner Audi A8 50 TDI quattro 505 L Runner-up: 471 L
Price winner Peugeot 408 1.6 PHEV 180 Allure $39,500 Runner-up: $89,900

How the specs compare

This comparison sets the 2025 Peugeot 408 1.6 PHEV 180 Allure against the 2024 Audi A8 50 TDI quattro. Both belong to the sedan class, so their dimensions, performance and utility figures address a broadly similar type of car. One uses a plug-in hybrid powertrain and the other a diesel system, so range and consumption figures need to be read in that context.

Performance, power and 0-100 km/h

2024 Audi A8 50 TDI quattro has the quicker recorded 0-100 km/h time at 5.6 seconds, compared with 8.5 seconds for 2025 Peugeot 408 1.6 PHEV 180 Allure. 2024 Audi A8 50 TDI quattro has the higher listed output at 286 hp; 2025 Peugeot 408 1.6 PHEV 180 Allure is rated at 180 hp, a difference of 106 hp. The torque figures follow 2024 Audi A8 50 TDI quattro at 600 Nm and 2025 Peugeot 408 1.6 PHEV 180 Allure at 300 Nm. These figures describe straight-line potential only; they do not establish braking performance, ride quality, steering response or durability under repeated hard use.

Range, battery, charging and efficiency

Range and energy-use figures are either not shared by both cars or not directly comparable across these powertrain types.

Dimensions, cargo space and towing

2024 Audi A8 50 TDI quattro provides the larger quoted cargo volume: 505 litres versus 471 litres, a difference of 34 litres. 2024 Audi A8 50 TDI quattro is 507 mm longer overall. Exterior size is not a benefit by itself: a longer body may create useful room, but cargo shape, rear-seat space and ease of parking still require a physical inspection.

Price and overall assessment

2025 Peugeot 408 1.6 PHEV 180 Allure has the lower listed starting price at $39,500, compared with $89,900 for 2024 Audi A8 50 TDI quattro. 2024 Audi A8 50 TDI quattro leads in more of the shared headline fields, but that is not a universal verdict: a buyer should weight price, performance, range and utility rather than simply count category wins. The assessment is based on the specifications shown here; it is not presented as a two-car road test.

Prepared by CarsbySpec from the structured specifications displayed on this page. Missing values are not estimated, and component figures are not treated as directly comparable system figures. Read the methodology.

Specification Peugeot 408 1.6 PHEV 180 Allure2025 Audi A8 50 TDI quattro2024
Performance
0-100 km/h8.5 s5.6 s
Top Speed225 km/h250 km/h
Power180 hp286 hp
Torque300 Nm600 Nm
Range & Efficiency
Range55 km
Battery12.4 kWh
Fuel Tank43 L73 L
Efficiency1.3 L/100km6.8 L/100km
CO2 Emissions30 g/km179 g/km
Size & Capacity
Length4,687 mm5,194 mm
Ground Clearance160 mm120 mm
Cargo471 L505 L
Curb Weight1,680 kg2,080 kg
Seats55
Turning Circle10.8 m12.4 m
Starting MSRP$39,500$89,900

Peugeot 408 1.6 PHEV 180 Allure vs Audi A8 50 TDI quattro questions answered

Which is faster, the 2025 Peugeot 408 1.6 PHEV 180 Allure or the 2024 Audi A8 50 TDI quattro?

2024 Audi A8 50 TDI quattro is quicker from 0-100 km/h at 5.6 seconds, versus 8.5 seconds for 2025 Peugeot 408 1.6 PHEV 180 Allure.

Which has the higher top speed, the 2025 Peugeot 408 1.6 PHEV 180 Allure or the 2024 Audi A8 50 TDI quattro?

2024 Audi A8 50 TDI quattro has the higher listed top speed at 250 km/h (155 mph), compared with 225 km/h (140 mph).

Which has more horsepower, the 2025 Peugeot 408 1.6 PHEV 180 Allure or the 2024 Audi A8 50 TDI quattro?

2024 Audi A8 50 TDI quattro has more power at 286 hp, a 106 hp advantage over 2025 Peugeot 408 1.6 PHEV 180 Allure.

Which has more cargo or boot space, the 2025 Peugeot 408 1.6 PHEV 180 Allure or the 2024 Audi A8 50 TDI quattro?

2024 Audi A8 50 TDI quattro has more listed cargo space at 505 litres (17.8 cu ft), versus 471 litres (16.6 cu ft).

Which is heavier, the 2025 Peugeot 408 1.6 PHEV 180 Allure or the 2024 Audi A8 50 TDI quattro?

2024 Audi A8 50 TDI quattro is heavier at 2,080 kg (4,586 lb), while 2025 Peugeot 408 1.6 PHEV 180 Allure is listed at 1,680 kg (3,704 lb).

Which is cheaper, the 2025 Peugeot 408 1.6 PHEV 180 Allure or the 2024 Audi A8 50 TDI quattro?

2025 Peugeot 408 1.6 PHEV 180 Allure has the lower recorded starting MSRP at $39,500 USD, compared with $89,900 USD for 2024 Audi A8 50 TDI quattro. Regional pricing and equipment can differ.

Which is better, the 2025 Peugeot 408 1.6 PHEV 180 Allure or the 2024 Audi A8 50 TDI quattro?

2024 Audi A8 50 TDI quattro leads in more of the shared headline fields, but that is not a universal verdict: a buyer should weight price, performance, range and utility rather than simply count category wins. This comparison is based on recorded specifications rather than a road test, so the right choice depends on the buyer's priorities.