Smart · Germany · Class A
Smart Forfour: Technical Specs, Engine Oil, Tires & Maintenance
Factory engineering reference for Smart Forfour (2004–2021): Hatchback, 64–109 hp (47–80 kW), RWD, FWD, recommended SAE 5W-30 / 0W-30 oil (3.6 L), and OEM tire sizes.
| Production years | 2004–2021 |
|---|---|
| Power (hp / kW) | 64–109 hp (47–80 kW) |
| Recommended Engine Oil | SAE 5W-30 / 0W-30 (alt: SAE 5W-40 (high ambient temp)) · 3.6 L (3.8 qt) |
| Common OEM Tire Sizes | 195/65 R15 · 205/55 R16 · 2.2/2.2 bar (32/32 PSI) |
Maintenance, Fluids & Tire Specifications
- Recommended Engine Oil
- SAE 5W-30 / 0W-30 (alt: SAE 5W-40 (high ambient temp))
- OEM / API / ACEA Spec
- MB-Approval 229.51 / 229.52
- Oil Service Fill Capacity
- 3.6 L (3.8 US qt)
- Service Interval
- 15000 km (9500 mi) / 12 months
- Brake Fluid Spec
- DOT 4 Class 6 (ISO 4925)
- Coolant Chemistry
- G12evo / G13 Lobrid Si-OAT
- Common OEM Tire Sizes
- 195/65 R15 · 205/55 R16
- Cold Tire Pressure (F / R)
- 2.2 / 2.2 bar (32 / 32 PSI)
- Wheel Lug Nut Torque
- 110 Nm (81 lb-ft)
Dimensions, Powertrain & Performance
- Production years
- 2004–2021
- Body style
- Hatchback (4 seats)
- Powertrain & Fuel
- Gasoline (Petrol), Battery Electric (BEV) · Manual (MT), Dual-Clutch / Automated (DCT/AMT), Single-Speed EV Reduction · RWD, FWD
- Power (hp / kW)
- 64–109 hp (47–80 kW)
- Dimensions (L × W × H)
- 3495 × 1665 × 1554 mm
- Wheelbase & Clearance
- 2494 mm (clearance: 155 mm)
- Trunk Volume & Curb Weight
- 450 L · 1400–1550 kg
- Combined Consumption
- – L/100 km (– US MPG) · Tank 55 L
Pre-Purchase Inspection & Diagnostics
Before buying a used Smart Forfour, verify the 17-character VIN stamping against door-jamb and windshield plates, scan all OBD-II readiness monitors (mode $01 / $06), and check for open safety recalls.