Aston Martin DBX AM8 4.0 S Crossover
535 kW727 PS717 hp900 Nm2025
Read the full story of the Aston Martin DBX AM8
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- Power
- 535 kW 727 PS · 717 hp
- Torque
- 900 Nm 664 lb-ft
- 0–100 km/h
- 3.3 s
- Fuel consumption
- 14.3 l/100 km
- Kerb weight
- 2,310 kg
- Top speed
- 310 km/h
A 4.0-litre eight-cylinder petrol engine with 535 kW (727 PS) and 900 Nm of torque powers the Aston Martin DBX AM8 4.0 S (727 PS) crossover. A nine-speed automatic transmission sends the DBX AM8 4.0 S (727 PS)'s drive to all four wheels.
No other version of the DBX AM8 matches its output among 3 versions - that is 32% more than the entry 4.0 V8 (550 PS) (405 kW). The DBX AM8 4.0 S (727 PS) is also the quickest to 100 km/h (3.3 s) and the best on power-to-weight (315 PS per tonne). According to our catalog data, the DBX AM8 4.0 S (727 PS) reaches 310 km/h, averages 14.3 l/100 km and weighs 2,310 kg. Rivals worth a side-by-side look against the DBX AM8 4.0 S (727 PS): the Lamborghini Urus.
What the figures favour in the DBX AM8 4.0 S (727 PS)
- Most powerful version of the DBX AM8: 535 kW (727 PS)
- Quickest 0–100 km/h in the DBX AM8 range: 3.3 s
- Best power-to-weight in the range: 315 PS per tonne
- Top speed of 310 km/h
Dimensions drawing
To scale · width without mirrors
Zoom in to read the measurements - or see the table below.
grid 500 mm1 ft Side view: dashed lines mark the axles
Engine
| Fuel | Petrol |
|---|---|
| Displacement | 3,982 cm³ 4.0 l · 243 cu in |
| Cylinders | 8 |
| Power | 535 kW 727 PS · 717 hp |
| Torque | 900 Nm 664 lb-ft |
Transmission
| Gearbox | Automatic |
|---|---|
| Gears | 9 |
| Drive | All-wheel drive |
Performance
| 0–100 km/h | 3.3 s 0–62 mph |
|---|---|
| Top speed | 310 km/h 193 mph |
| Fuel consumption | 14.3 l/100 km 19.8 mpg UK · 16.4 mpg US |
| CO₂ emissions | 323 g/km |
Dimensions and weight
| Kerb weight | 2,310 kg 5,093 lb |
|---|
Production
| Body type | Crossover |
|---|---|
| Years | 2025 |
| Generation | DBX AM8 (2019–present) |
Compare size All DBX AM8 versions All Aston Martin spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 15 of 25 fields · 2 sources · data changed 21 Oct 2026